Collection: Bearings - Single Row Ball

Bearings -> Single Row Ball
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Flange Diameter (DF) Flange Width (BF) Indicative
Image
Single Row Ball Bearings - 4x7x2 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.276 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Flange Diameter (DF)
8.200
Flange Width (BF)
0.600
Single Row Ball Bearings - 4x7x2 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Open flanged bearing with low-torque light oil lubricant
Part Number: FMR74-MC3-AF12 (PK-50)
Contact Us | Special Order Only - Please contact us if you need a large quantity
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Indicative
Image
Single Row Ball Bearings - 4x7x2 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.276 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Single Row Ball Bearings - 4x7x2 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 8.200    Flange Width (BF): 0.600    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Open flanged bearing with low-torque light oil lubricant
Part Number: FMR74-MC3-AF12 (PK-50)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Apr 04, 2029
Single Row Ball Bearings - 4x7x2.5 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.276 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Flange Diameter (DF)
8.200
Flange Width (BF)
0.600
Single Row Ball Bearings - 4x7x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Double shielded flanged stainless steel bearing
Part Number: SFMR74A-ZZS-MC3 (Each)
101 Available Now | Further orders can be expected around Thu, Aug 13, 2026
Regular price $8.41 AUD
Regular price Sale price $8.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 101 available can be backordered.
Single Row Ball Bearings - 4x7x2.5 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.276 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Single Row Ball Bearings - 4x7x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 8.200    Flange Width (BF): 0.600    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Double shielded flanged stainless steel bearing
Part Number: SFMR74A-ZZS-MC3 (Each)
101 Available Now | Further orders can be expected around Thu, Aug 13, 2026
Regular price $8.41 AUD
Regular price Sale price $8.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

101 Available Now. Backorder if more than 101.
Single Row Ball Bearings - 4x7x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.276 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Flange Diameter (DF)
8.200
Flange Width (BF)
0.600
Single Row Ball Bearings - 4x7x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Double shielded flanged bearing
Part Number: FMR74A-ZZS-MC3 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Aug 13, 2026
Regular price $292.95 AUD
Regular price $657.54 AUD Sale price $292.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x7x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.276 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Single Row Ball Bearings - 4x7x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 8.200    Flange Width (BF): 0.600    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Double shielded flanged bearing
Part Number: FMR74A-ZZS-MC3 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Aug 13, 2026
Regular price $292.95 AUD
Regular price $657.54 AUD Sale price $292.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x7x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
7.000
mm
Width (B)
2.500
mm
Flange Diameter (DF)
8.200
Flange Width (BF)
0.600
Single Row Ball Bearings - 4x7x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Double black rubber sealed economy flanged bearing
Part Number: FMR74A-2RS-ECO (PK-2)
170 units (340 pcs) Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 170 available can be backordered.
Single Row Ball Bearings - 4x7x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
7.000
mm
Width (B)
2.500
mm
Single Row Ball Bearings - 4x7x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 8.200    Flange Width (BF): 0.600    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Double black rubber sealed economy flanged bearing
Part Number: FMR74A-2RS-ECO (PK-2)
170 units (340 pcs) Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

170 units (340 pcs) Available Now. Backorder if more than 170.
Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.007
(Equiv. 0.276 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.120
(Equiv. 0.098 in.)
Single Row Ball Bearings - 4x7x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR74A-ZZS-MC3-JP6 (PK-50)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.007
(Equiv. 0.276 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.120
(Equiv. 0.098 in.)
Single Row Ball Bearings - 4x7x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR74A-ZZS-MC3-JP6 (PK-50)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Apr 04, 2029
Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.276 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Single Row Ball Bearings - 4x7x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SMR74A-TTS-MC3 (PK-5000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.276 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Single Row Ball Bearings - 4x7x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SMR74A-TTS-MC3 (PK-5000)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Apr 04, 2029
Single Row Ball Bearings - 4x7x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.007
(Equiv. 0.276 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.120
(Equiv. 0.098 in.)
Flange Diameter (DF)
8.200
Flange Width (BF)
0.600
Single Row Ball Bearings - 4x7x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged
Part Number: FMR74A-ZZS-MC3-JP6 (PK-50)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x7x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.007
(Equiv. 0.276 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.120
(Equiv. 0.098 in.)
Single Row Ball Bearings - 4x7x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 8.200    Flange Width (BF): 0.600    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged
Part Number: FMR74A-ZZS-MC3-JP6 (PK-50)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Apr 04, 2029
Single Row Ball Bearings - 4x8x2 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Single Row Ball Bearings - 4x8x2 mm - Ceramic Silicon Nitride - PTFE Cage
Material: Ceramic Silicon Nitride - PTFE Cage    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: CSN-MR84-TF-DRY (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 07, 2026
Regular price $2,311.14 AUD
Regular price $2,773.36 AUD Sale price $2,311.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x2 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Single Row Ball Bearings - 4x8x2 mm - Ceramic Silicon Nitride - PTFE Cage
Material: Ceramic Silicon Nitride - PTFE Cage    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: CSN-MR84-TF-DRY (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 07, 2026
Regular price $2,311.14 AUD
Regular price $2,773.36 AUD Sale price $2,311.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x2 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Single Row Ball Bearings - 4x8x2 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR84-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Aug 13, 2026
Regular price $268.59 AUD
Regular price $322.31 AUD Sale price $268.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x2 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Single Row Ball Bearings - 4x8x2 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR84-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Aug 13, 2026
Regular price $268.59 AUD
Regular price $322.31 AUD Sale price $268.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Single Row Ball Bearings - 4x8x2 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Open standard bearing with low-torque light oil lubricant
Part Number: SMR84-MC3-AF12 (Each)
66 Available Now | Further orders can be expected around Thu, Aug 13, 2026
Regular price $4.05 AUD
Regular price Sale price $4.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 66 available can be backordered.
Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Single Row Ball Bearings - 4x8x2 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Open standard bearing with low-torque light oil lubricant
Part Number: SMR84-MC3-AF12 (Each)
66 Available Now | Further orders can be expected around Thu, Aug 13, 2026
Regular price $4.05 AUD
Regular price Sale price $4.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

66 Available Now. Backorder if more than 66.
Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.005
(Equiv. 0.315 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.040
(Equiv. 0.079 in.)
Single Row Ball Bearings - 4x8x2 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SMR84-MC4-GR5-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Oct 02, 2026
Regular price $1,083.59 AUD
Regular price $1,300.31 AUD Sale price $1,083.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.005
(Equiv. 0.315 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.040
(Equiv. 0.079 in.)
Single Row Ball Bearings - 4x8x2 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SMR84-MC4-GR5-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Oct 02, 2026
Regular price $1,083.59 AUD
Regular price $1,300.31 AUD Sale price $1,083.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x2 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Flange Diameter (DF)
9.200
Flange Width (BF)
0.600
Single Row Ball Bearings - 4x8x2 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Deleted Item. Available while stocks last.
Part Number: SFMR84-MC3-AF12 (Each)
14 Available Now | Item Discontinued - Up to 14 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.46 AUD
Regular price $8.23 AUD Sale price $4.46 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

14 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x8x2 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Single Row Ball Bearings - 4x8x2 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 9.200    Flange Width (BF): 0.600    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Deleted Item. Available while stocks last.
Part Number: SFMR84-MC3-AF12 (Each)
14 Available Now | Item Discontinued - Up to 14 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.46 AUD
Regular price $8.23 AUD Sale price $4.46 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

14 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x8x2 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Flange Diameter (DF)
9.200
Flange Width (BF)
0.600
Single Row Ball Bearings - 4x8x2 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: FMR84-MC3-AF12 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Aug 18, 2026
Regular price $37.41 AUD
Regular price $77.00 AUD Sale price $37.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x2 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Single Row Ball Bearings - 4x8x2 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 9.200    Flange Width (BF): 0.600    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: FMR84-MC3-AF12 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Aug 18, 2026
Regular price $37.41 AUD
Regular price $77.00 AUD Sale price $37.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR84A-ZZ-MC3-T9H (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 07, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR84A-ZZ-MC3-T9H (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 07, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard bearing
Part Number: MR84A-ZZ-MC3 (Each)
188 Available Now | Further orders can be expected around Thu, Aug 13, 2026
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 188 available can be backordered.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard bearing
Part Number: MR84A-ZZ-MC3 (Each)
188 Available Now | Further orders can be expected around Thu, Aug 13, 2026
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

188 Available Now. Backorder if more than 188.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
8.000
mm
Width (B)
3.000
mm
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Double shielded economy bearing
Part Number: MR84A-ZZS-ECO (PK-5)
32 units (160 pcs) Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 32 available can be backordered.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
8.000
mm
Width (B)
3.000
mm
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Double shielded economy bearing
Part Number: MR84A-ZZS-ECO (PK-5)
32 units (160 pcs) Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

32 units (160 pcs) Available Now. Backorder if more than 32.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SMR84A-MC3-JP6-L23 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Dec 07, 2026
Regular price $419.41 AUD
Regular price $503.29 AUD Sale price $419.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SMR84A-MC3-JP6-L23 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Dec 07, 2026
Regular price $419.41 AUD
Regular price $503.29 AUD Sale price $419.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard stainless steel bearing
Part Number: SMR84A-ZZ-MC3 (Each)
163 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $6.86 AUD
Regular price Sale price $6.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 163 available can be backordered.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard stainless steel bearing
Part Number: SMR84A-ZZ-MC3 (Each)
163 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $6.86 AUD
Regular price Sale price $6.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

163 Available Now. Backorder if more than 163.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Open P6 precision stainless steel bearing
Part Number: SMR84A-MC3-JP6-AF12 (Each)
109 Available Now | Further orders can be expected around Mon, Sep 28, 2026
Regular price $7.14 AUD
Regular price Sale price $7.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 109 available can be backordered.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Open P6 precision stainless steel bearing
Part Number: SMR84A-MC3-JP6-AF12 (Each)
109 Available Now | Further orders can be expected around Mon, Sep 28, 2026
Regular price $7.14 AUD
Regular price Sale price $7.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

109 Available Now. Backorder if more than 109.
Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Flange Diameter (DF)
9.200
Flange Width (BF)
0.600
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Double shielded flanged stainless steel bearing
Part Number: SFMR84A-ZZ-MC3 (Each)
100 Available Now | Further orders can be expected around Thu, Aug 13, 2026
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 100 available can be backordered.
Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 9.200    Flange Width (BF): 0.600    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Double shielded flanged stainless steel bearing
Part Number: SFMR84A-ZZ-MC3 (Each)
100 Available Now | Further orders can be expected around Thu, Aug 13, 2026
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

100 Available Now. Backorder if more than 100.
Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Flange Diameter (DF)
9.200
Flange Width (BF)
0.600
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFMR84A-ZZ-MC3-JP6 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Aug 13, 2026
Regular price $351.50 AUD
Regular price $742.50 AUD Sale price $351.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 9.200    Flange Width (BF): 0.600    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFMR84A-ZZ-MC3-JP6 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Aug 13, 2026
Regular price $351.50 AUD
Regular price $742.50 AUD Sale price $351.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
ID (d)
4.000
mm
O.D. (D)
8.000
mm
Width (B)
3.000
mm
Flange Diameter (DF)
9.200
Flange Width (BF)
0.600
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Ceramic balls.
Part Number: SFMR84A-CSN-ZZS-ACO-ECO (Each)
1 Available Now | Further orders can be expected around Fri, Aug 21, 2026
Regular price $17.59 AUD
Regular price $44.58 AUD Sale price $17.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
ID (d)
4.000
mm
O.D. (D)
8.000
mm
Width (B)
3.000
mm
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls    Flange Diameter (DF): 9.200    Flange Width (BF): 0.600    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Ceramic balls.
Part Number: SFMR84A-CSN-ZZS-ACO-ECO (Each)
1 Available Now | Further orders can be expected around Fri, Aug 21, 2026
Regular price $17.59 AUD
Regular price $44.58 AUD Sale price $17.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
Single Row Ball Bearings - 4x8x3 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Flange Diameter (DF)
9.200
Flange Width (BF)
0.600
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Double shielded flanged bearing
Part Number: FMR84A-ZZ-MC3 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Aug 13, 2026
Regular price $253.23 AUD
Regular price $568.26 AUD Sale price $253.23 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x3 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 9.200    Flange Width (BF): 0.600    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Double shielded flanged bearing
Part Number: FMR84A-ZZ-MC3 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Aug 13, 2026
Regular price $253.23 AUD
Regular price $568.26 AUD Sale price $253.23 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR84A-ZZ-MC3-JP6 (PK-50)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR84A-ZZ-MC3-JP6 (PK-50)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Apr 04, 2029