Collection: Bearings - Single Row Ball - Flanged

841 Products in this selection
This is a combined category of Flanged Single Row Ball Bearings.
Use the filters in the table below, or the category tree above to refine the selection. To order any item, simply click the part number for a full product page, then add to your cart.
Additional resources:
Tolerances
Standard Bearings PDF Catalogue
Shafting
A more concise listing may be found on the Smallparts store at Bearings - Single Row Ball - Flanged. Smallparts promote the most popular MBA products.
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
(0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.0075
(0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(0.118 in.)
Flange Diameter (DF)
9.200
mm
Flange Width (BF)
0.600
mm
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 - Precision
Part Number: SFMR84A-ZZ-MC3 Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
121 Available Immediately | Further orders can be expected around Fri, Jun 06, 2025
Regular price $6.41 AUD
Regular price $7.69 AUD Sale price $6.41 AUD
Each
ID (d) OD (D) Width (B) Inner Ring Width (Bn) Indicative
Image
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.0075
(0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 9.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SFMR84A-ZZ-MC3 Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
121 Available Immediately | Further orders can be expected around Fri, Jun 06, 2025
Regular price $6.41 AUD
Regular price $7.69 AUD Sale price $6.41 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.007
(0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(0.118 in.)
Flange Diameter (DF)
9.200
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SFMR84A-ZZ-MC3-JP6 (50 Pcs) Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $744.23 AUD
Regular price Sale price $744.23 AUD
Per 50
ID (d)
4.000
mm
+ 0.000 / - 0.007
(0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.007
(0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 9.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SFMR84A-ZZ-MC3-JP6 (50 Pcs) Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $744.23 AUD
Regular price Sale price $744.23 AUD
Per 50
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.007
(0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(0.118 in.)
Flange Diameter (DF)
9.200
mm
Flange Width (BF)
0.600
mm
1052138 | FMR84A-ZZ-MC3-JP6 (50 Pcs) --- Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: FMR84A-ZZ-MC3-JP6 (50 Pcs) Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $657.77 AUD
Regular price Sale price $657.77 AUD
Per 50
ID (d)
4.000
mm
+ 0.000 / - 0.007
(0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.007
(0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(0.118 in.)
1052138 | FMR84A-ZZ-MC3-JP6 (50 Pcs) --- Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 9.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: FMR84A-ZZ-MC3-JP6 (50 Pcs) Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $657.77 AUD
Regular price Sale price $657.77 AUD
Per 50
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.0075
(0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(0.118 in.)
Flange Diameter (DF)
9.200
mm
Flange Width (BF)
0.600
mm
1052139 | FMR84A-ZZ-MC3 --- 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 - Precision
Part Number: FMR84A-ZZ-MC3 Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $8.23 AUD
Regular price Sale price $8.23 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.0075
(0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(0.118 in.)
1052139 | FMR84A-ZZ-MC3 --- Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 9.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: FMR84A-ZZ-MC3 Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $8.23 AUD
Regular price Sale price $8.23 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm

(0.157 in.)
OD (D)
8.000
mm

(0.315 in.)
Width (B)
3.000
mm

(0.118 in.)
Flange Diameter (DF)
9.200
mm
Flange Width (BF)
0.600
mm
1052140 | FMR84A-2RS-ECO (50 Pcs) --- Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: FMR84A-2RS-ECO (50 Pcs) Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Fri, Jun 06, 2025
Regular price $289.32 AUD
Regular price Sale price $289.32 AUD
Per 50
ID (d)
4.000
mm

(0.157 in.)
OD (D)
8.000
mm

(0.315 in.)
Width (B)
3.000
mm

(0.118 in.)
1052140 | FMR84A-2RS-ECO (50 Pcs) --- Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 9.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: FMR84A-2RS-ECO (50 Pcs) Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Fri, Jun 06, 2025
Regular price $289.32 AUD
Regular price Sale price $289.32 AUD
Per 50
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(0.098 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684-MC3-AF12 Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
200 Available Immediately | Further orders can be expected around Thu, Jun 12, 2025
Regular price $8.14 AUD
Regular price $9.76 AUD Sale price $8.14 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(0.098 in.)
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684-MC3-AF12 Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
200 Available Immediately | Further orders can be expected around Thu, Jun 12, 2025
Regular price $8.14 AUD
Regular price $9.76 AUD Sale price $8.14 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.004
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.040
(0.098 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684-MC34-GR7-R-L23 (28 Pcs) Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $1,646.32 AUD
Regular price Sale price $1,646.32 AUD
Per 28
ID (d)
4.000
mm
+ 0.000 / - 0.004
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.040
(0.098 in.)
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684-MC34-GR7-R-L23 (28 Pcs) Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $1,646.32 AUD
Regular price Sale price $1,646.32 AUD
Per 28
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.005
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.040
(0.098 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684-MC34-GR5-R-L23 (40 Pcs) Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $1,676.95 AUD
Regular price Sale price $1,676.95 AUD
Per 40
ID (d)
4.000
mm
+ 0.000 / - 0.005
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.040
(0.098 in.)
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684-MC34-GR5-R-L23 (40 Pcs) Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $1,676.95 AUD
Regular price Sale price $1,676.95 AUD
Per 40
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.120
(0.098 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684-MC3-JP6-AF12 (50 Pcs) Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $703.68 AUD
Regular price Sale price $703.68 AUD
Per 50
ID (d)
4.000
mm
+ 0.000 / - 0.007
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.120
(0.098 in.)
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 0.600 mm    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684-MC3-JP6-AF12 (50 Pcs) Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $703.68 AUD
Regular price Sale price $703.68 AUD
Per 50
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(0.098 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
0.600
mm
1052412 | F684-MC3 (50 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684-MC3 (50 Pcs) Single Row Ball Bearings - 4x9x2.5 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $543.77 AUD
Regular price Sale price $543.77 AUD
Per 50
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(0.098 in.)
1052412 | F684-MC3 (50 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684-MC3 (50 Pcs) Single Row Ball Bearings - 4x9x2.5 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $543.77 AUD
Regular price Sale price $543.77 AUD
Per 50
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(0.354 in.)
Width (B)
3.500
mm
+ 0.000 / - 0.125
(0.138 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x9x3.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684B-ZZ-MC3 Single Row Ball Bearings - 4x9x3.5 mm - Stainless Steel AISI 440C
73 Available Immediately | Further orders can be expected around Thu, Jun 12, 2025
Regular price $13.95 AUD
Regular price Sale price $13.95 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(0.354 in.)
Width (B)
3.500
mm
+ 0.000 / - 0.125
(0.138 in.)
Single Row Ball Bearings - 4x9x3.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684B-ZZ-MC3 Single Row Ball Bearings - 4x9x3.5 mm - Stainless Steel AISI 440C
73 Available Immediately | Further orders can be expected around Thu, Jun 12, 2025
Regular price $13.95 AUD
Regular price Sale price $13.95 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm

(0.157 in.)
OD (D)
9.000
mm

(0.354 in.)
Width (B)
4.000
mm

(0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684A-ZZ-ECO Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
10 Available Immediately | Further orders can be expected around Sun, Jun 15, 2025
Regular price $10.32 AUD
Regular price Sale price $10.32 AUD
Each
ID (d)
4.000
mm

(0.157 in.)
OD (D)
9.000
mm

(0.354 in.)
Width (B)
4.000
mm

(0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684A-ZZ-ECO Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
10 Available Immediately | Further orders can be expected around Sun, Jun 15, 2025
Regular price $10.32 AUD
Regular price Sale price $10.32 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.004
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684A-ZZS-MC34-GR7-R-G48 (50 Pcs) Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $3,193.68 AUD
Regular price Sale price $3,193.68 AUD
Per 50
ID (d)
4.000
mm
+ 0.000 / - 0.004
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684A-ZZS-MC34-GR7-R-G48 (50 Pcs) Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $3,193.68 AUD
Regular price Sale price $3,193.68 AUD
Per 50
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.005
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684A-ZZS-MC34-GR5-R-G48 (20 Pcs) Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $1,128.23 AUD
Regular price Sale price $1,128.23 AUD
Per 20
ID (d)
4.000
mm
+ 0.000 / - 0.005
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684A-ZZS-MC34-GR5-R-G48 (20 Pcs) Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $1,128.23 AUD
Regular price Sale price $1,128.23 AUD
Per 20
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684A-ZZ-MC3-JP6 (50 Pcs) Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $631.86 AUD
Regular price Sale price $631.86 AUD
Per 50
ID (d)
4.000
mm
+ 0.000 / - 0.007
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684A-ZZ-MC3-JP6 (50 Pcs) Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $631.86 AUD
Regular price Sale price $631.86 AUD
Per 50
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684A-ZZ-MC3 (50 Pcs) Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $345.05 AUD
Regular price Sale price $345.05 AUD
Per 50
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684A-ZZ-MC3 (50 Pcs) Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $345.05 AUD
Regular price Sale price $345.05 AUD
Per 50
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
1052443 | F684A-ZZ-MC3 (50 Pcs) --- Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684A-ZZ-MC3 (50 Pcs) Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $380.32 AUD
Regular price Sale price $380.32 AUD
Per 50
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(0.157 in.)
1052443 | F684A-ZZ-MC3 (50 Pcs) --- Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684A-ZZ-MC3 (50 Pcs) Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $380.32 AUD
Regular price Sale price $380.32 AUD
Per 50
View the product page first if you are unsure.
ID (d)
4.000
mm

(0.157 in.)
OD (D)
9.000
mm

(0.354 in.)
Width (B)
4.000
mm

(0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
1052444 | F684A-ZZ-ECO --- Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684A-ZZ-ECO Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 15, 2025
Regular price $8.41 AUD
Regular price Sale price $8.41 AUD
Each
ID (d)
4.000
mm

(0.157 in.)
OD (D)
9.000
mm

(0.354 in.)
Width (B)
4.000
mm

(0.157 in.)
1052444 | F684A-ZZ-ECO --- Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684A-ZZ-ECO Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 15, 2025
Regular price $8.41 AUD
Regular price Sale price $8.41 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
1052445 | F684A-ZZ-MC3-JP6 (50 Pcs) --- Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684A-ZZ-MC3-JP6 (50 Pcs) Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $543.77 AUD
Regular price Sale price $543.77 AUD
Per 50
ID (d)
4.000
mm
+ 0.000 / - 0.007
(0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(0.157 in.)
1052445 | F684A-ZZ-MC3-JP6 (50 Pcs) --- Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684A-ZZ-MC3-JP6 (50 Pcs) Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $543.77 AUD
Regular price Sale price $543.77 AUD
Per 50
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(0.394 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(0.118 in.)
Flange Diameter (DF)
11.200
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x10x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SFMR104-MC3-AF12 (50 Pcs) Single Row Ball Bearings - 4x10x3 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $526.32 AUD
Regular price Sale price $526.32 AUD
Per 50
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(0.394 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(0.118 in.)
Single Row Ball Bearings - 4x10x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 11.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SFMR104-MC3-AF12 (50 Pcs) Single Row Ball Bearings - 4x10x3 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Thu, Jun 12, 2025
Regular price $526.32 AUD
Regular price Sale price $526.32 AUD
Per 50
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(0.394 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(0.118 in.)
Flange Diameter (DF)
11.200
mm
Flange Width (BF)
0.600
mm
1052545 | FMR104-MC3-AF12 --- Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: FMR104-MC3-AF12 Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 17, 2025
Regular price $98.32 AUD
Regular price Sale price $98.32 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(0.394 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(0.118 in.)
1052545 | FMR104-MC3-AF12 --- Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 11.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: FMR104-MC3-AF12 Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 17, 2025
Regular price $98.32 AUD
Regular price Sale price $98.32 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.004
(0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.005
(0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(0.157 in.)
Flange Diameter (DF)
11.500
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SFMR104AUF-FF-MC34-GR7-R-G48 (45 Pcs) Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $3,075.14 AUD
Regular price Sale price $3,075.14 AUD
Per 45
ID (d)
4.000
mm
+ 0.000 / - 0.004
(0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.005
(0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 11.500 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SFMR104AUF-FF-MC34-GR7-R-G48 (45 Pcs) Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $3,075.14 AUD
Regular price Sale price $3,075.14 AUD
Per 45
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.005
(0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.005
(0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(0.157 in.)
Flange Diameter (DF)
11.500
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SFMR104AUF-FF-MC34-GR5-R-G48 (20 Pcs) Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $1,207.05 AUD
Regular price Sale price $1,207.05 AUD
Per 20
ID (d)
4.000
mm
+ 0.000 / - 0.005
(0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.005
(0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 11.500 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SFMR104AUF-FF-MC34-GR5-R-G48 (20 Pcs) Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $1,207.05 AUD
Regular price Sale price $1,207.05 AUD
Per 20
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.004
(0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.005
(0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(0.157 in.)
Flange Diameter (DF)
11.500
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SFMR104AUF-ZZS-MC34-GR7-R-G48 (50 Pcs) Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $3,353.77 AUD
Regular price Sale price $3,353.77 AUD
Per 50
ID (d)
4.000
mm
+ 0.000 / - 0.004
(0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.005
(0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 11.500 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SFMR104AUF-ZZS-MC34-GR7-R-G48 (50 Pcs) Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $3,353.77 AUD
Regular price Sale price $3,353.77 AUD
Per 50
View the product page first if you are unsure.