Collection: Balls - Metallic - Stainless Steel - 400 Grade

36 Products in this selection
  • Hardness: Rockwell C: 55-60. Includes 420 and 440C grades
  • Tolerances available on request. Grades shown are AFBMA / ISO3290-1.
  • AISI440C Stainless Steel.
Additional resources:
Balls Master Catalogue PDF
AFBMA Ball Grades

A more comprehensive listing may be found on the MBA Minibearings main store at Balls - Metallic - Stainless Steel - 400 Grade.
Diameter (D) Material Precision Grade Hardness Properties Colour Indicative
Image
6.350
mm
+/- 0.00254
440C Stainless
Grade 28
55-60 Rockwell C
Commonly used in precision bearings. Corrosion resistant.
Silver
1075711 | BL-00635-S440-G28 (100 Pcs) --- Metallic Balls - 6.35 mm 440C Stainless - Grade 28
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-00635-S440-G28 (100 Pcs) Metallic Balls - 6.35 mm 440C Stainless - Grade 28
26 units (2600 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $26.59 AUD
Regular price Sale price $26.59 AUD
Per 100
Diameter (D) Material Precision Grade Hardness Indicative
Image
6.350
mm
+/- 0.00254
440C Stainless
Grade 28
55-60 Rockwell C
1075711 | BL-00635-S440-G28 (100 Pcs) --- Metallic Balls - 6.35 mm 440C Stainless - Grade 28
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-00635-S440-G28 (100 Pcs) Metallic Balls - 6.35 mm 440C Stainless - Grade 28
26 units (2600 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $26.59 AUD
Regular price Sale price $26.59 AUD
Per 100
View the product page first if you are unsure.
7.144
mm
+/- 0.00254
440C Stainless
Grade 28
55-60 Rockwell C
Commonly used in precision bearings. Corrosion resistant.
Silver
1077201 | BL-00714-S440-G28 (10 Pcs) --- Metallic Balls - 7.144 mm 440C Stainless - Grade 28
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-00714-S440-G28 (10 Pcs) Metallic Balls - 7.144 mm 440C Stainless - Grade 28
840 units (8400 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Per 10
7.144
mm
+/- 0.00254
440C Stainless
Grade 28
55-60 Rockwell C
1077201 | BL-00714-S440-G28 (10 Pcs) --- Metallic Balls - 7.144 mm 440C Stainless - Grade 28
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-00714-S440-G28 (10 Pcs) Metallic Balls - 7.144 mm 440C Stainless - Grade 28
840 units (8400 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Per 10
View the product page first if you are unsure.
7.938
mm
+/- 0.00254
440C Stainless
Grade 28
55-60 Rockwell C
Commonly used in precision bearings. Corrosion resistant.
Silver
1079550 | BL-00794-S440-G28 (20 Pcs) --- Metallic Balls - 7.938 mm 440C Stainless - Grade 28
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-00794-S440-G28 (20 Pcs) Metallic Balls - 7.938 mm 440C Stainless - Grade 28
341 units (6820 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $13.59 AUD
Regular price Sale price $13.59 AUD
Per 20
7.938
mm
+/- 0.00254
440C Stainless
Grade 28
55-60 Rockwell C
1079550 | BL-00794-S440-G28 (20 Pcs) --- Metallic Balls - 7.938 mm 440C Stainless - Grade 28
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-00794-S440-G28 (20 Pcs) Metallic Balls - 7.938 mm 440C Stainless - Grade 28
341 units (6820 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $13.59 AUD
Regular price Sale price $13.59 AUD
Per 20
View the product page first if you are unsure.
10.000
mm
+/- 0.005080
420 Stainless
Grade 40
55-60 Rockwell C
Commonly used in precision bearings. Corrosion resistant.
Silver
1095005 | BL-01000-S420-G40 (5 Pcs) --- Metallic Balls - 10 mm 420 Stainless - Grade 40
Material: Stainless Steel AISI 420C Rc 46-52    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01000-S420-G40 (5 Pcs) Metallic Balls - 10 mm 420 Stainless - Grade 40
71 units (355 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $8.50 AUD
Regular price Sale price $8.50 AUD
Per 5
10.000
mm
+/- 0.005080
420 Stainless
Grade 40
55-60 Rockwell C
1095005 | BL-01000-S420-G40 (5 Pcs) --- Metallic Balls - 10 mm 420 Stainless - Grade 40
Material: Stainless Steel AISI 420C Rc 46-52    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01000-S420-G40 (5 Pcs) Metallic Balls - 10 mm 420 Stainless - Grade 40
71 units (355 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $8.50 AUD
Regular price Sale price $8.50 AUD
Per 5
View the product page first if you are unsure.
11.113
mm
+/- 0.00254
440C Stainless
Grade 16
55-60 Rockwell C
Commonly used in precision bearings. Corrosion resistant.
Silver
1096930 | BL-01111-S440-G16 (10 Pcs) --- Metallic Balls - 11.113 mm 440C Stainless - Grade 16
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01111-S440-G16 (10 Pcs) Metallic Balls - 11.113 mm 440C Stainless - Grade 16
15 units (150 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $17.50 AUD
Regular price Sale price $17.50 AUD
Per 10
11.113
mm
+/- 0.00254
440C Stainless
Grade 16
55-60 Rockwell C
1096930 | BL-01111-S440-G16 (10 Pcs) --- Metallic Balls - 11.113 mm 440C Stainless - Grade 16
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01111-S440-G16 (10 Pcs) Metallic Balls - 11.113 mm 440C Stainless - Grade 16
15 units (150 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $17.50 AUD
Regular price Sale price $17.50 AUD
Per 10
View the product page first if you are unsure.
12.700
mm
+/- 0.007620
440C Stainless
Grade 60
55-60 Rockwell C
Commonly used in precision bearings. Corrosion resistant.
Silver
1105222 | BL-01270-S440-G60 (10 Pcs) --- Metallic Balls - 12.7 mm 440C Stainless - Grade 60
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01270-S440-G60 (10 Pcs) Metallic Balls - 12.7 mm 440C Stainless - Grade 60
56 units (560 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $24.41 AUD
Regular price Sale price $24.41 AUD
Per 10
12.700
mm
+/- 0.007620
440C Stainless
Grade 60
55-60 Rockwell C
1105222 | BL-01270-S440-G60 (10 Pcs) --- Metallic Balls - 12.7 mm 440C Stainless - Grade 60
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01270-S440-G60 (10 Pcs) Metallic Balls - 12.7 mm 440C Stainless - Grade 60
56 units (560 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $24.41 AUD
Regular price Sale price $24.41 AUD
Per 10
View the product page first if you are unsure.
14.288
mm
+/- 0.00254
440C Stainless
Grade 16
55-60 Rockwell C
Commonly used in precision bearings. Corrosion resistant.
Silver
1108284 | BL-01429-S440-G16 (5 Pcs) --- Metallic Balls - 14.288 mm 440C Stainless - Grade 16
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01429-S440-G16 (5 Pcs) Metallic Balls - 14.288 mm 440C Stainless - Grade 16
40 units (200 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $7.68 AUD
Regular price Sale price $7.68 AUD
Per 5
14.288
mm
+/- 0.00254
440C Stainless
Grade 16
55-60 Rockwell C
1108284 | BL-01429-S440-G16 (5 Pcs) --- Metallic Balls - 14.288 mm 440C Stainless - Grade 16
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01429-S440-G16 (5 Pcs) Metallic Balls - 14.288 mm 440C Stainless - Grade 16
40 units (200 pcs) Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $7.68 AUD
Regular price Sale price $7.68 AUD
Per 5
View the product page first if you are unsure.
15.000
mm
+/- 0.005080
420 Stainless
Grade 40
55-60 Rockwell C
Commonly used in precision bearings. Corrosion resistant.
Silver
1110437 | BL-01500-S420-G40 --- Metallic Balls - 15 mm 420 Stainless - Grade 40
Material: Stainless Steel AISI 420C Rc 46-52    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01500-S420-G40 Metallic Balls - 15 mm 420 Stainless - Grade 40
100 Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $4.41 AUD
Regular price Sale price $4.41 AUD
Each
15.000
mm
+/- 0.005080
420 Stainless
Grade 40
55-60 Rockwell C
1110437 | BL-01500-S420-G40 --- Metallic Balls - 15 mm 420 Stainless - Grade 40
Material: Stainless Steel AISI 420C Rc 46-52    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01500-S420-G40 Metallic Balls - 15 mm 420 Stainless - Grade 40
100 Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $4.41 AUD
Regular price Sale price $4.41 AUD
Each
View the product page first if you are unsure.
15.875
mm
+/- 0.007620
440C Stainless
Grade 60
55-60 Rockwell C
Commonly used in precision bearings. Corrosion resistant.
Silver
1112839 | BL-01588-S440-G60 --- Metallic Balls - 15.875 mm 440C Stainless - Grade 60
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01588-S440-G60 Metallic Balls - 15.875 mm 440C Stainless - Grade 60
5 Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $6.41 AUD
Regular price Sale price $6.41 AUD
Each
15.875
mm
+/- 0.007620
440C Stainless
Grade 60
55-60 Rockwell C
1112839 | BL-01588-S440-G60 --- Metallic Balls - 15.875 mm 440C Stainless - Grade 60
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01588-S440-G60 Metallic Balls - 15.875 mm 440C Stainless - Grade 60
5 Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $6.41 AUD
Regular price Sale price $6.41 AUD
Each
View the product page first if you are unsure.
19.050
mm
+/- 0.007620
440C Stainless
Grade 60
55-60 Rockwell C
Commonly used in precision bearings. Corrosion resistant.
Silver
1122518 | BL-01905-S440-G60 --- Metallic Balls - 19.05 mm 440C Stainless - Grade 60
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01905-S440-G60 Metallic Balls - 19.05 mm 440C Stainless - Grade 60
41 Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $7.86 AUD
Regular price Sale price $7.86 AUD
Each
19.050
mm
+/- 0.007620
440C Stainless
Grade 60
55-60 Rockwell C
1122518 | BL-01905-S440-G60 --- Metallic Balls - 19.05 mm 440C Stainless - Grade 60
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-01905-S440-G60 Metallic Balls - 19.05 mm 440C Stainless - Grade 60
41 Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $7.86 AUD
Regular price Sale price $7.86 AUD
Each
View the product page first if you are unsure.
20.638
mm
+/- 0.00254
440C Stainless
Grade 28
55-60 Rockwell C
Commonly used in precision bearings. Corrosion resistant.
Silver
1126799 | BL-02064-S440-G28 --- Metallic Balls - 20.638 mm 440C Stainless - Grade 28
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-02064-S440-G28 Metallic Balls - 20.638 mm 440C Stainless - Grade 28
75 Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $10.23 AUD
Regular price Sale price $10.23 AUD
Each
20.638
mm
+/- 0.00254
440C Stainless
Grade 28
55-60 Rockwell C
1126799 | BL-02064-S440-G28 --- Metallic Balls - 20.638 mm 440C Stainless - Grade 28
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-02064-S440-G28 Metallic Balls - 20.638 mm 440C Stainless - Grade 28
75 Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $10.23 AUD
Regular price Sale price $10.23 AUD
Each
View the product page first if you are unsure.
25.000
mm
+/- 0.005080
420 Stainless
Grade 40
55-60 Rockwell C
Commonly used in precision bearings. Corrosion resistant.
Silver
1134455 | BL-02500-S420-G40 --- Metallic Balls - 25 mm 420 Stainless - Grade 40
Material: Stainless Steel AISI 420C Rc 46-52    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-02500-S420-G40 Metallic Balls - 25 mm 420 Stainless - Grade 40
18 Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $21.95 AUD
Regular price Sale price $21.95 AUD
Each
25.000
mm
+/- 0.005080
420 Stainless
Grade 40
55-60 Rockwell C
1134455 | BL-02500-S420-G40 --- Metallic Balls - 25 mm 420 Stainless - Grade 40
Material: Stainless Steel AISI 420C Rc 46-52    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833    Standard: ISO 3290   
Part Number: BL-02500-S420-G40 Metallic Balls - 25 mm 420 Stainless - Grade 40
18 Available Now | Further orders can be expected around Sun, May 18, 2025
Regular price $21.95 AUD
Regular price Sale price $21.95 AUD
Each
View the product page first if you are unsure.