Balls - Ceramic - Sapphire - Synthetic

8 Products in this selection
  • Extreme hardness, wear resistance, non-corrosiveness and chemical inertness.
  • Tolerances available on request. Grades shown are AFBMA / ISO3290-1.
  • Specific Gravity: 3.98. Grade 25.
  • Extreme hardness, wear resistance, non-corrosiveness and chemical inertness.
  • High mechanical strength.
  • Transparent (refractive index 1.76).
Additional resources:
Balls Master Catalogue PDF
AFBMA Ball Grades

A more comprehensive listing may be found on the MBA Minibearings main store at Balls - Ceramic - Sapphire - Synthetic.
Diameter (D) Material Precision Grade Hardness Properties Colour Indicative
Image
Diameter (D)
2.381
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
1042974 | BL-00238-SP-G25 (5 Pcs) --- Ceramic Balls - 2.381 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00238-SP-G25 (5 Pcs) Ceramic Balls - 2.381 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$79.77 AUD
$95.73 AUD $79.77 AUD
Per 5
Diameter (D) Material Precision Grade Hardness Indicative
Image
Diameter (D)
2.381
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
1042974 | BL-00238-SP-G25 (5 Pcs) --- Ceramic Balls - 2.381 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Properties: Extreme hardness and wear resistance    Colour: Transparent    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00238-SP-G25 (5 Pcs) Ceramic Balls - 2.381 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$79.77 AUD
$95.73 AUD $79.77 AUD
Per 5
View the product page first if you are unsure.
Diameter (D)
2.499
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
1043399 | BL-00250-SP-G25 (5 Pcs) --- Ceramic Balls - 2.499 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00250-SP-G25 (5 Pcs) Ceramic Balls - 2.499 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$79.77 AUD
$95.73 AUD $79.77 AUD
Per 5
Diameter (D)
2.499
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
1043399 | BL-00250-SP-G25 (5 Pcs) --- Ceramic Balls - 2.499 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Properties: Extreme hardness and wear resistance    Colour: Transparent    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00250-SP-G25 (5 Pcs) Ceramic Balls - 2.499 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$79.77 AUD
$95.73 AUD $79.77 AUD
Per 5
View the product page first if you are unsure.
Diameter (D)
2.779
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
1044572 | BL-00278-SP-G25 (10 Pcs) --- Ceramic Balls - 2.779 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00278-SP-G25 (10 Pcs) Ceramic Balls - 2.779 mm Synthetic Sapphire - Grade 25
1 pack (10 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$158.05 AUD
$189.65 AUD $158.05 AUD
Per 10
Diameter (D)
2.779
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
1044572 | BL-00278-SP-G25 (10 Pcs) --- Ceramic Balls - 2.779 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Properties: Extreme hardness and wear resistance    Colour: Transparent    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00278-SP-G25 (10 Pcs) Ceramic Balls - 2.779 mm Synthetic Sapphire - Grade 25
1 pack (10 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$158.05 AUD
$189.65 AUD $158.05 AUD
Per 10
View the product page first if you are unsure.
Diameter (D)
3.000
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
1045290 | BL-00300-SP-G25 (5 Pcs) --- Ceramic Balls - 3 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00300-SP-G25 (5 Pcs) Ceramic Balls - 3 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$79.86 AUD
$95.84 AUD $79.86 AUD
Per 5
Diameter (D)
3.000
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
1045290 | BL-00300-SP-G25 (5 Pcs) --- Ceramic Balls - 3 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Properties: Extreme hardness and wear resistance    Colour: Transparent    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00300-SP-G25 (5 Pcs) Ceramic Balls - 3 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$79.86 AUD
$95.84 AUD $79.86 AUD
Per 5
View the product page first if you are unsure.
Diameter (D)
4.763
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
1059731 | BL-00476-SP-G25 (5 Pcs) --- Ceramic Balls - 4.763 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00476-SP-G25 (5 Pcs) Ceramic Balls - 4.763 mm Synthetic Sapphire - Grade 25
3 units (15 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$106.32 AUD
$127.58 AUD $106.32 AUD
Per 5
Diameter (D)
4.763
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
1059731 | BL-00476-SP-G25 (5 Pcs) --- Ceramic Balls - 4.763 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Properties: Extreme hardness and wear resistance    Colour: Transparent    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00476-SP-G25 (5 Pcs) Ceramic Balls - 4.763 mm Synthetic Sapphire - Grade 25
3 units (15 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$106.32 AUD
$127.58 AUD $106.32 AUD
Per 5
View the product page first if you are unsure.
Diameter (D)
5.000
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
1061562 | BL-00500-SP-G25 (5 Pcs) --- Ceramic Balls - 5 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00500-SP-G25 (5 Pcs) Ceramic Balls - 5 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$108.23 AUD
$129.87 AUD $108.23 AUD
Per 5
Diameter (D)
5.000
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
1061562 | BL-00500-SP-G25 (5 Pcs) --- Ceramic Balls - 5 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Properties: Extreme hardness and wear resistance    Colour: Transparent    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00500-SP-G25 (5 Pcs) Ceramic Balls - 5 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$108.23 AUD
$129.87 AUD $108.23 AUD
Per 5
View the product page first if you are unsure.
Diameter (D)
5.556
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
1066062 | BL-00556-SP-G25 (5 Pcs) --- Ceramic Balls - 5.556 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00556-SP-G25 (5 Pcs) Ceramic Balls - 5.556 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$148.32 AUD
$177.98 AUD $148.32 AUD
Per 5
Diameter (D)
5.556
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
1066062 | BL-00556-SP-G25 (5 Pcs) --- Ceramic Balls - 5.556 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Properties: Extreme hardness and wear resistance    Colour: Transparent    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00556-SP-G25 (5 Pcs) Ceramic Balls - 5.556 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Now | Further orders can be expected around Wed, Jun 18, 2025
$148.32 AUD
$177.98 AUD $148.32 AUD
Per 5
View the product page first if you are unsure.
Diameter (D)
7.938
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
1077756 | BL-00794-SP-G25 --- Ceramic Balls - 7.938 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00794-SP-G25 Ceramic Balls - 7.938 mm Synthetic Sapphire - Grade 25
5 Available Now | Further orders can be expected around Wed, Jun 18, 2025
$83.77 AUD
$100.53 AUD $83.77 AUD
Each
Diameter (D)
7.938
mm
+/- 0.00254
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
1077756 | BL-00794-SP-G25 --- Ceramic Balls - 7.938 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Properties: Extreme hardness and wear resistance    Colour: Transparent    Specific Gravity: 3.98    Standard: AFBMA   
Part Number: BL-00794-SP-G25 Ceramic Balls - 7.938 mm Synthetic Sapphire - Grade 25
5 Available Now | Further orders can be expected around Wed, Jun 18, 2025
$83.77 AUD
$100.53 AUD $83.77 AUD
Each
View the product page first if you are unsure.