Collection: Balls - Bored - Steel

14 Products in this selection
  • Bored steel balls as used in steel rod ends.
  • Hardness: 58-64 Rc.
  • Material: SUJ-2.
Additional resources:
Balls Master Catalogue PDF
AFBMA and ISO Ball Grades
A more concise listing may be found on the Smallparts store at Balls - Bored - Steel. Smallparts promote the most popular MBA products.
Diameter (D) Bore (B) Width (W) Flat Diameter (d1) Chamfer (C) Indicative
Image
Diameter (D)
7.938
mm

(0.313 in.)
Bore (B)
3.000
mm
+ 0.012 / - 0.0
(0.118 in.)
Width (W)
6.000
mm

(0.236 in.)
Flat Diameter (d1)
5.100
mm
Chamfer (C)
0.3X45
mm
Bored Balls - 7.938x3x6 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-00794-00300-SUJ Bored Balls - 7.938x3x6 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D) Bore (B) Width (W) Flat Diameter (d1) Indicative
Image
Diameter (D)
7.938
mm

(0.313 in.)
Bore (B)
3.000
mm
+ 0.012 / - 0.0
(0.118 in.)
Width (W)
6.000
mm

(0.236 in.)
Flat Diameter (d1)
5.100
mm
Bored Balls - 7.938x3x6 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.3X45 mm   
Part Number: BLB-00794-00300-SUJ Bored Balls - 7.938x3x6 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
9.525
mm

(0.375 in.)
Bore (B)
4.000
mm
+ 0.012 / - 0.0
(0.157 in.)
Width (W)
7.000
mm

(0.276 in.)
Flat Diameter (d1)
7.400
mm
Chamfer (C)
0.3X45
mm
Bored Balls - 9.525x4x7 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-00953-00400-SUJ Bored Balls - 9.525x4x7 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
9.525
mm

(0.375 in.)
Bore (B)
4.000
mm
+ 0.012 / - 0.0
(0.157 in.)
Width (W)
7.000
mm

(0.276 in.)
Flat Diameter (d1)
7.400
mm
Bored Balls - 9.525x4x7 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.3X45 mm   
Part Number: BLB-00953-00400-SUJ Bored Balls - 9.525x4x7 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
11.112
mm

(0.437 in.)
Bore (B)
5.000
mm
+ 0.012 / - 0.0
(0.197 in.)
Width (W)
8.000
mm

(0.315 in.)
Flat Diameter (d1)
7.710
mm
Chamfer (C)
0.3X45
mm
Bored Balls - 11.112x5x8 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-01111-00500-SUJ Bored Balls - 11.112x5x8 mm - Chrome Steel
128 Available Immediately | Further orders can be expected around Sun, Jun 08, 2025
Regular price $12.95 AUD
Regular price Sale price $12.95 AUD
Each
Diameter (D)
11.112
mm

(0.437 in.)
Bore (B)
5.000
mm
+ 0.012 / - 0.0
(0.197 in.)
Width (W)
8.000
mm

(0.315 in.)
Flat Diameter (d1)
7.710
mm
Bored Balls - 11.112x5x8 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.3X45 mm   
Part Number: BLB-01111-00500-SUJ Bored Balls - 11.112x5x8 mm - Chrome Steel
128 Available Immediately | Further orders can be expected around Sun, Jun 08, 2025
Regular price $12.95 AUD
Regular price Sale price $12.95 AUD
Each
View the product page first if you are unsure.
Diameter (D)
12.700
mm

(0.5 in.)
Bore (B)
6.000
mm
+ 0.012 / - 0.0
(0.236 in.)
Width (W)
9.000
mm

(0.354 in.)
Flat Diameter (d1)
8.960
mm
Chamfer (C)
0.3X45
mm
Bored Balls - 12.7x6x9 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-01270-00600-SUJ Bored Balls - 12.7x6x9 mm - Chrome Steel
Out of Stock | Backorder Now | Orders can be expected around Sat, Jun 14, 2025
Regular price $16.14 AUD
Regular price Sale price $16.14 AUD
Each
Diameter (D)
12.700
mm

(0.5 in.)
Bore (B)
6.000
mm
+ 0.012 / - 0.0
(0.236 in.)
Width (W)
9.000
mm

(0.354 in.)
Flat Diameter (d1)
8.960
mm
Bored Balls - 12.7x6x9 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.3X45 mm   
Part Number: BLB-01270-00600-SUJ Bored Balls - 12.7x6x9 mm - Chrome Steel
Out of Stock | Backorder Now | Orders can be expected around Sat, Jun 14, 2025
Regular price $16.14 AUD
Regular price Sale price $16.14 AUD
Each
View the product page first if you are unsure.
Diameter (D)
15.875
mm

(0.625 in.)
Bore (B)
8.000
mm
+ 0.015 / - 0.0
(0.315 in.)
Width (W)
12.000
mm

(0.472 in.)
Flat Diameter (d1)
10.390
mm
Chamfer (C)
0.5X45
mm
Bored Balls - 15.875x8x12 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-01588-00800-SUJ Bored Balls - 15.875x8x12 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
15.875
mm

(0.625 in.)
Bore (B)
8.000
mm
+ 0.015 / - 0.0
(0.315 in.)
Width (W)
12.000
mm

(0.472 in.)
Flat Diameter (d1)
10.390
mm
Bored Balls - 15.875x8x12 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.5X45 mm   
Part Number: BLB-01588-00800-SUJ Bored Balls - 15.875x8x12 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
19.050
mm

(0.75 in.)
Bore (B)
10.000
mm
+ 0.015 / - 0.0
(0.394 in.)
Width (W)
14.000
mm

(0.551 in.)
Flat Diameter (d1)
12.920
mm
Chamfer (C)
0.5X45
mm
Bored Balls - 19.05x10x14 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-01905-01000-SUJ Bored Balls - 19.05x10x14 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
19.050
mm

(0.75 in.)
Bore (B)
10.000
mm
+ 0.015 / - 0.0
(0.394 in.)
Width (W)
14.000
mm

(0.551 in.)
Flat Diameter (d1)
12.920
mm
Bored Balls - 19.05x10x14 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.5X45 mm   
Part Number: BLB-01905-01000-SUJ Bored Balls - 19.05x10x14 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
22.225
mm

(0.875 in.)
Bore (B)
12.000
mm
+ 0.018 / - 0.0
(0.472 in.)
Width (W)
16.000
mm

(0.63 in.)
Flat Diameter (d1)
15.430
mm
Chamfer (C)
0.8X45
mm
Bored Balls - 22.225x12x16 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-02223-01200-SUJ Bored Balls - 22.225x12x16 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
22.225
mm

(0.875 in.)
Bore (B)
12.000
mm
+ 0.018 / - 0.0
(0.472 in.)
Width (W)
16.000
mm

(0.63 in.)
Flat Diameter (d1)
15.430
mm
Bored Balls - 22.225x12x16 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.8X45 mm   
Part Number: BLB-02223-01200-SUJ Bored Balls - 22.225x12x16 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
25.400
mm

(1 in.)
Bore (B)
14.000
mm
+ 0.018 / - 0.0
(0.551 in.)
Width (W)
19.000
mm

(0.748 in.)
Flat Diameter (d1)
16.860
mm
Chamfer (C)
0.8X45
mm
Bored Balls - 25.4x14x19 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-02540-01400-SUJ Bored Balls - 25.4x14x19 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
25.400
mm

(1 in.)
Bore (B)
14.000
mm
+ 0.018 / - 0.0
(0.551 in.)
Width (W)
19.000
mm

(0.748 in.)
Flat Diameter (d1)
16.860
mm
Bored Balls - 25.4x14x19 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.8X45 mm   
Part Number: BLB-02540-01400-SUJ Bored Balls - 25.4x14x19 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
28.575
mm

(1.125 in.)
Bore (B)
16.000
mm
+ 0.018 / - 0.0
(0.63 in.)
Width (W)
21.000
mm

(0.827 in.)
Flat Diameter (d1)
19.390
mm
Chamfer (C)
0.8X45
mm
Bored Balls - 28.575x16x21 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-02858-01600-SUJ Bored Balls - 28.575x16x21 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
28.575
mm

(1.125 in.)
Bore (B)
16.000
mm
+ 0.018 / - 0.0
(0.63 in.)
Width (W)
21.000
mm

(0.827 in.)
Flat Diameter (d1)
19.390
mm
Bored Balls - 28.575x16x21 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.8X45 mm   
Part Number: BLB-02858-01600-SUJ Bored Balls - 28.575x16x21 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
31.750
mm

(1.25 in.)
Bore (B)
18.000
mm
+ 0.018 / - 0.0
(0.709 in.)
Width (W)
23.000
mm

(0.906 in.)
Flat Diameter (d1)
21.890
mm
Chamfer (C)
0.8X45
mm
Bored Balls - 31.75x18x23 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-03175-01800-SUJ Bored Balls - 31.75x18x23 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
31.750
mm

(1.25 in.)
Bore (B)
18.000
mm
+ 0.018 / - 0.0
(0.709 in.)
Width (W)
23.000
mm

(0.906 in.)
Flat Diameter (d1)
21.890
mm
Bored Balls - 31.75x18x23 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.8X45 mm   
Part Number: BLB-03175-01800-SUJ Bored Balls - 31.75x18x23 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
34.925
mm

(1.375 in.)
Bore (B)
20.000
mm
+ 0.021 / - 0.0
(0.787 in.)
Width (W)
25.000
mm

(0.984 in.)
Flat Diameter (d1)
24.380
mm
Chamfer (C)
0.8X45
mm
Bored Balls - 34.925x20x25 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-03493-02000-SUJ Bored Balls - 34.925x20x25 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
34.925
mm

(1.375 in.)
Bore (B)
20.000
mm
+ 0.021 / - 0.0
(0.787 in.)
Width (W)
25.000
mm

(0.984 in.)
Flat Diameter (d1)
24.380
mm
Bored Balls - 34.925x20x25 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.8X45 mm   
Part Number: BLB-03493-02000-SUJ Bored Balls - 34.925x20x25 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
38.100
mm

(1.5 in.)
Bore (B)
22.000
mm
+ 0.021 / - 0.0
(0.866 in.)
Width (W)
28.000
mm

(1.102 in.)
Flat Diameter (d1)
25.840
mm
Chamfer (C)
0.8X45
mm
Bored Balls - 38.1x22x28 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-03810-02200-SUJ Bored Balls - 38.1x22x28 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
38.100
mm

(1.5 in.)
Bore (B)
22.000
mm
+ 0.021 / - 0.0
(0.866 in.)
Width (W)
28.000
mm

(1.102 in.)
Flat Diameter (d1)
25.840
mm
Bored Balls - 38.1x22x28 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.8X45 mm   
Part Number: BLB-03810-02200-SUJ Bored Balls - 38.1x22x28 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
42.863
mm

(1.688 in.)
Bore (B)
25.000
mm
+ 0.021 / - 0.0
(0.984 in.)
Width (W)
31.000
mm

(1.22 in.)
Flat Diameter (d1)
29.600
mm
Chamfer (C)
0.8X45
mm
Bored Balls - 42.863x25x31 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-04286-02500-SUJ Bored Balls - 42.863x25x31 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
42.863
mm

(1.688 in.)
Bore (B)
25.000
mm
+ 0.021 / - 0.0
(0.984 in.)
Width (W)
31.000
mm

(1.22 in.)
Flat Diameter (d1)
29.600
mm
Bored Balls - 42.863x25x31 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.8X45 mm   
Part Number: BLB-04286-02500-SUJ Bored Balls - 42.863x25x31 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
50.800
mm

(2 in.)
Bore (B)
30.000
mm
+ 0.021 / - 0.0
(1.181 in.)
Width (W)
37.000
mm

(1.457 in.)
Flat Diameter (d1)
34.810
mm
Chamfer (C)
0.8X45
mm
Bored Balls - 50.8x30x37 mm - Chrome Steel
Material: Chrome Steel   
Part Number: BLB-05080-03000-SUJ Bored Balls - 50.8x30x37 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Diameter (D)
50.800
mm

(2 in.)
Bore (B)
30.000
mm
+ 0.021 / - 0.0
(1.181 in.)
Width (W)
37.000
mm

(1.457 in.)
Flat Diameter (d1)
34.810
mm
Bored Balls - 50.8x30x37 mm - Chrome Steel
Material: Chrome Steel    Chamfer (C): 0.8X45 mm   
Part Number: BLB-05080-03000-SUJ Bored Balls - 50.8x30x37 mm - Chrome Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity