Collection: Balls - Ceramic - Sapphire - Synthetic

30 Products in this selection
  • Grades shown are AFBMA and ISO3290-1 which relates primarily to the ovality of the ball
  • General balls offered for sale may be from different ball lots, so the diametrical tolerance indicates a variance that may be encountered if balls from different lots are mixed, unless a ball gauge is specified for the part
  • For diametrically critical applications, a special quote can be obtained for balls of a specified ball gauge
  • 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 and ISO Ball Grades
A more concise listing may be found on the Smallparts store at Balls - Ceramic - Sapphire - Synthetic. Smallparts promote the most popular MBA products.
Diameter (D) Material Precision Grade Hardness Properties Colour Indicative
Image
Diameter (D)
5.000
mm
+/- 0.00254
(0.197 in.)
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
Ceramic Balls - 5 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA    Ovality: +/-0.000635   
Part Number: BL-00500-SP-G25 (5 Pcs) Ceramic Balls - 5 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Immediately | Further orders can be expected around Mon, Jul 07, 2025
Regular price $108.23 AUD
Regular price $129.87 AUD Sale price $108.23 AUD
Per 5
Diameter (D) Material Precision Grade Hardness Indicative
Image
Diameter (D)
5.000
mm
+/- 0.00254
(0.197 in.)
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
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    Ovality: +/-0.000635   
Part Number: BL-00500-SP-G25 (5 Pcs) Ceramic Balls - 5 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Immediately | Further orders can be expected around Mon, Jul 07, 2025
Regular price $108.23 AUD
Regular price $129.87 AUD Sale price $108.23 AUD
Per 5
View the product page first if you are unsure.
Diameter (D)
5.556
mm
+/- 0.00254
(0.219 in.)
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
Ceramic Balls - 5.556 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA    Ovality: +/-0.000635   
Part Number: BL-00556-SP-G25 (5 Pcs) Ceramic Balls - 5.556 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Immediately | Further orders can be expected around Mon, Jul 07, 2025
Regular price $148.32 AUD
Regular price $177.98 AUD Sale price $148.32 AUD
Per 5
Diameter (D)
5.556
mm
+/- 0.00254
(0.219 in.)
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
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    Ovality: +/-0.000635   
Part Number: BL-00556-SP-G25 (5 Pcs) Ceramic Balls - 5.556 mm Synthetic Sapphire - Grade 25
1 pack (5 pcs) Available Immediately | Further orders can be expected around Mon, Jul 07, 2025
Regular price $148.32 AUD
Regular price $177.98 AUD Sale price $148.32 AUD
Per 5
View the product page first if you are unsure.
Diameter (D)
6.000
mm
+/- 0.00254
(0.236 in.)
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
Ceramic Balls - 6 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA    Ovality: +/-0.000635   
Part Number: BL-00600-SP-G25 (5 Pcs) Ceramic Balls - 6 mm Synthetic Sapphire - Grade 25
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025
Regular price $148.68 AUD
Regular price Sale price $148.68 AUD
Per 5
Diameter (D)
6.000
mm
+/- 0.00254
(0.236 in.)
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Ceramic Balls - 6 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Properties: Extreme hardness and wear resistance    Colour: Transparent    Specific Gravity: 3.98    Standard: AFBMA    Ovality: +/-0.000635   
Part Number: BL-00600-SP-G25 (5 Pcs) Ceramic Balls - 6 mm Synthetic Sapphire - Grade 25
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025
Regular price $148.68 AUD
Regular price Sale price $148.68 AUD
Per 5
View the product page first if you are unsure.
Diameter (D)
6.350
mm
+/- 0.00254
(0.25 in.)
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
Ceramic Balls - 6.35 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA    Ovality: +/-0.000635   
Part Number: BL-00635-SP-G25 (5 Pcs) Ceramic Balls - 6.35 mm Synthetic Sapphire - Grade 25
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025
Regular price $163.59 AUD
Regular price Sale price $163.59 AUD
Per 5
Diameter (D)
6.350
mm
+/- 0.00254
(0.25 in.)
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Ceramic Balls - 6.35 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Properties: Extreme hardness and wear resistance    Colour: Transparent    Specific Gravity: 3.98    Standard: AFBMA    Ovality: +/-0.000635   
Part Number: BL-00635-SP-G25 (5 Pcs) Ceramic Balls - 6.35 mm Synthetic Sapphire - Grade 25
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025
Regular price $163.59 AUD
Regular price Sale price $163.59 AUD
Per 5
View the product page first if you are unsure.
Diameter (D)
7.938
mm
+/- 0.00254
(0.313 in.)
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
Ceramic Balls - 7.938 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA    Ovality: +/-0.000635   
Part Number: BL-00794-SP-G25 Ceramic Balls - 7.938 mm Synthetic Sapphire - Grade 25
5 Available Immediately | Further orders can be expected around Mon, Jul 07, 2025
Regular price $83.77 AUD
Regular price $100.53 AUD Sale price $83.77 AUD
Each
Diameter (D)
7.938
mm
+/- 0.00254
(0.313 in.)
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
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    Ovality: +/-0.000635   
Part Number: BL-00794-SP-G25 Ceramic Balls - 7.938 mm Synthetic Sapphire - Grade 25
5 Available Immediately | Further orders can be expected around Mon, Jul 07, 2025
Regular price $83.77 AUD
Regular price $100.53 AUD Sale price $83.77 AUD
Each
View the product page first if you are unsure.
Diameter (D)
9.525
mm
+/- 0.00254
(0.375 in.)
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
Ceramic Balls - 9.525 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Specific Gravity: 3.98    Standard: AFBMA    Ovality: +/-0.000635   
Part Number: BL-00953-SP-G25 (5 Pcs) Ceramic Balls - 9.525 mm Synthetic Sapphire - Grade 25
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025
Regular price $672.77 AUD
Regular price Sale price $672.77 AUD
Per 5
Diameter (D)
9.525
mm
+/- 0.00254
(0.375 in.)
Material
Synthetic Sapphire
Precision Grade
Grade 25
Hardness
9 Mohs
Ceramic Balls - 9.525 mm Synthetic Sapphire - Grade 25
Material: Synthetic Sapphire    Properties: Extreme hardness and wear resistance    Colour: Transparent    Specific Gravity: 3.98    Standard: AFBMA    Ovality: +/-0.000635   
Part Number: BL-00953-SP-G25 (5 Pcs) Ceramic Balls - 9.525 mm Synthetic Sapphire - Grade 25
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 07, 2025
Regular price $672.77 AUD
Regular price Sale price $672.77 AUD
Per 5
View the product page first if you are unsure.