Collection: Bearings - Single Row Ball - Unflanged - Precision

Bearings -> Single Row Ball -> Unflanged -> Precision
ID (d) OD (D) Width (B) Inner Ring Width (Bn) Flange Diameter (DF) Flange Width (BF) Indicative
Image
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: TTS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-TTS-MC3 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $809.14 AUD
Regular price $970.96 AUD Sale price $809.14 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d) OD (D) Width (B) Inner Ring Width (Bn) Indicative
Image
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: TTS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-TTS-MC3 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $809.14 AUD
Regular price $970.96 AUD Sale price $809.14 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | More stock due: 200 around Thu, Sep 18, 2025 | Further orders can be expected around Fri, Oct 03, 2025
Regular price $4.50 AUD
Regular price Sale price $4.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | More stock due: 200 around Thu, Sep 18, 2025 | Further orders can be expected around Fri, Oct 03, 2025
Regular price $4.50 AUD
Regular price Sale price $4.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3-DRY (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $453.23 AUD
Regular price $543.87 AUD Sale price $453.23 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3-DRY (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $453.23 AUD
Regular price $543.87 AUD Sale price $453.23 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3-JP6
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
32 Available Now | Further orders can be expected around Fri, Oct 03, 2025
Regular price $4.14 AUD
Regular price Sale price $4.14 AUD
Each
Quantity Required

32 Available Now. Backorder if more than 32.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3-JP6
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
32 Available Now | Further orders can be expected around Fri, Oct 03, 2025
Regular price $4.14 AUD
Regular price Sale price $4.14 AUD
Each
Quantity Required

32 Available Now. Backorder if more than 32.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC34-NMB (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $467.86 AUD
Regular price $561.44 AUD Sale price $467.86 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC34-NMB (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $467.86 AUD
Regular price $561.44 AUD Sale price $467.86 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
9.000
mm

(Equiv. 0.354 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZS-ECO
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
95 Available Now | Further orders can be expected around Sat, Sep 27, 2025
Regular price $4.50 AUD
Regular price Sale price $4.50 AUD
Each
Quantity Required

95 Available Now. Backorder if more than 95.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
9.000
mm

(Equiv. 0.354 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZS-ECO
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
95 Available Now | Further orders can be expected around Sat, Sep 27, 2025
Regular price $4.50 AUD
Regular price Sale price $4.50 AUD
Each
Quantity Required

95 Available Now. Backorder if more than 95.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
3.000
mm

(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RB    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104-2RB-ECO
Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
185 Available Now | Item Discontinued - Up to 185 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.00 AUD
Regular price $7.60 AUD Sale price $4.00 AUD
Each
Quantity Required

185 Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
3.000
mm

(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RB    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104-2RB-ECO
Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
185 Available Now | Item Discontinued - Up to 185 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.00 AUD
Regular price $7.60 AUD Sale price $4.00 AUD
Each
Quantity Required

185 Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
3.000
mm

(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104-ZZS-ECO
Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
576 Available Now | Further orders can be expected around Sat, Sep 27, 2025
Regular price $2.77 AUD
Regular price Sale price $2.77 AUD
Each
Quantity Required

576 Available Now. Backorder if more than 576.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
3.000
mm

(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104-ZZS-ECO
Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
576 Available Now | Further orders can be expected around Sat, Sep 27, 2025
Regular price $2.77 AUD
Regular price Sale price $2.77 AUD
Each
Quantity Required

576 Available Now. Backorder if more than 576.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104A-2RS-ECO (2 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
23 units (46 pcs) Available Now | Further orders can be expected around Sat, Sep 27, 2025
Regular price $1.32 AUD
Regular price $2.29 AUD Sale price $1.32 AUD
Per 2
Quantity Required

23 units (46 pcs) Available Now. Backorder if more than 23.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104A-2RS-ECO (2 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
23 units (46 pcs) Available Now | Further orders can be expected around Sat, Sep 27, 2025
Regular price $1.32 AUD
Regular price $2.29 AUD Sale price $1.32 AUD
Per 2
Quantity Required

23 units (46 pcs) Available Now. Backorder if more than 23.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104A-ZZ-ECO (5 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
33 units (165 pcs) Available Now | Further orders can be expected around Sat, Sep 27, 2025
Regular price $6.23 AUD
Regular price Sale price $6.23 AUD
Per 5
Quantity Required

33 units (165 pcs) Available Now. Backorder if more than 33.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104A-ZZ-ECO (5 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
33 units (165 pcs) Available Now | Further orders can be expected around Sat, Sep 27, 2025
Regular price $6.23 AUD
Regular price Sale price $6.23 AUD
Per 5
Quantity Required

33 units (165 pcs) Available Now. Backorder if more than 33.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR104A-ZZ-MC3-AF12
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
77 Available Now | Further orders can be expected around Fri, Oct 03, 2025
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
Quantity Required

77 Available Now. Backorder if more than 77.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR104A-ZZ-MC3-AF12
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
77 Available Now | Further orders can be expected around Fri, Oct 03, 2025
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
Quantity Required

77 Available Now. Backorder if more than 77.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR104A-ZZ-MC3
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
160 Available Now | Further orders can be expected around Sat, Sep 27, 2025
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
Quantity Required

160 Available Now. Backorder if more than 160.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR104A-ZZ-MC3
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
160 Available Now | Further orders can be expected around Sat, Sep 27, 2025
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
Quantity Required

160 Available Now. Backorder if more than 160.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR104A-2RS-MC3 (100 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $477.59 AUD
Regular price $573.11 AUD Sale price $477.59 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR104A-2RS-MC3 (100 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $477.59 AUD
Regular price $573.11 AUD Sale price $477.59 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.007
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR104A-ZZ-MC3-JP6 (100 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $407.14 AUD
Regular price $488.56 AUD Sale price $407.14 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.007
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR104A-ZZ-MC3-JP6 (100 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $407.14 AUD
Regular price $488.56 AUD Sale price $407.14 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR104A-ZZ-MC3-EZO (100 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $398.32 AUD
Regular price $477.98 AUD Sale price $398.32 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR104A-ZZ-MC3-EZO (100 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $398.32 AUD
Regular price $477.98 AUD Sale price $398.32 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RB    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104A-2RB-ECO (10 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
18 units (180 pcs) Available Now | Item Discontinued - Up to 18 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $20.00 AUD
Regular price $38.00 AUD Sale price $20.00 AUD
Per 10
Quantity Required

18 units (180 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RB    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104A-2RB-ECO (10 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
18 units (180 pcs) Available Now | Item Discontinued - Up to 18 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $20.00 AUD
Regular price $38.00 AUD Sale price $20.00 AUD
Per 10
Quantity Required

18 units (180 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104A-ZZ-MC3
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
25 Available Now | Further orders can be expected around Fri, Oct 03, 2025
Regular price $4.32 AUD
Regular price Sale price $4.32 AUD
Each
Quantity Required

25 Available Now. Backorder if more than 25.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104A-ZZ-MC3
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
25 Available Now | Further orders can be expected around Fri, Oct 03, 2025
Regular price $4.32 AUD
Regular price Sale price $4.32 AUD
Each
Quantity Required

25 Available Now. Backorder if more than 25.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.007
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104A-ZZ-MC3-JP6 (100 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $418.86 AUD
Regular price $502.64 AUD Sale price $418.86 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.007
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104A-ZZ-MC3-JP6 (100 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $418.86 AUD
Regular price $502.64 AUD Sale price $418.86 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
11.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-2RS-MC3 (100 Pcs)
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $349.41 AUD
Regular price $419.29 AUD Sale price $349.41 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
11.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-2RS-MC3 (100 Pcs)
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $349.41 AUD
Regular price $419.29 AUD Sale price $349.41 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
11.000
mm

(Equiv. 0.433 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-2RS-ECO (5 Pcs)
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
181 units (905 pcs) Available Now | Item Discontinued - Up to 181 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.36 AUD
Regular price $8.88 AUD Sale price $5.36 AUD
Per 5
Quantity Required

181 units (905 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
11.000
mm

(Equiv. 0.433 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-2RS-ECO (5 Pcs)
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
181 units (905 pcs) Available Now | Item Discontinued - Up to 181 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.36 AUD
Regular price $8.88 AUD Sale price $5.36 AUD
Per 5
Quantity Required

181 units (905 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
11.000
mm
+ 0.000 / - 0.007
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-ZZ-MC2-JP6-SRL (100 Pcs)
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $584.68 AUD
Regular price $701.62 AUD Sale price $584.68 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
11.000
mm
+ 0.000 / - 0.007
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-ZZ-MC2-JP6-SRL (100 Pcs)
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $584.68 AUD
Regular price $701.62 AUD Sale price $584.68 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
11.000
mm

(Equiv. 0.433 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-ZZS-ECO (5 Pcs)
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
14 units (70 pcs) Available Now | Item Discontinued - Up to 14 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.64 AUD
Regular price $7.49 AUD Sale price $3.64 AUD
Per 5
Quantity Required

14 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
11.000
mm

(Equiv. 0.433 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-ZZS-ECO (5 Pcs)
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
14 units (70 pcs) Available Now | Item Discontinued - Up to 14 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.64 AUD
Regular price $7.49 AUD Sale price $3.64 AUD
Per 5
Quantity Required

14 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
11.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-ZZ-MC3
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
177 Available Now | Further orders can be expected around Fri, Oct 03, 2025
Regular price $3.86 AUD
Regular price Sale price $3.86 AUD
Each
Quantity Required

177 Available Now. Backorder if more than 177.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
11.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-ZZ-MC3
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
177 Available Now | Further orders can be expected around Fri, Oct 03, 2025
Regular price $3.86 AUD
Regular price Sale price $3.86 AUD
Each
Quantity Required

177 Available Now. Backorder if more than 177.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
11.000
mm
+ 0.000 / - 0.007
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-ZZ-MC3-JP6 (100 Pcs)
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $420.05 AUD
Regular price $504.05 AUD Sale price $420.05 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
11.000
mm
+ 0.000 / - 0.007
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-ZZ-MC3-JP6 (100 Pcs)
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $420.05 AUD
Regular price $504.05 AUD Sale price $420.05 AUD
Per 100
Quantity Required

Backorder: Out of Stock.