Collection: Balls - Rubber - Santoprene 87A

4 Products in this selection

A selection of Santoprene 87A Rubber Balls. A high performance thermoplastic created by cross linking EPDM rubber with Polypropylene. As an elastomer plastic it is flexible, light weight, and has very good abrasion resistance. It also has good resistance to many acids, bases and aqueous solutions.

  • Rubber ball grades are not the same as those for precision balls
  • It holds up well in both extreme hot and cold environments which can make it preferred over rubber. Common uses include; grips, knobs, handles, gaskets, and ball check valves.
  • Specific Gravity .96 g/cc. Hardness, Shore 87A
  • Tensile Strength 2550 psi. Melting Point 400 F
  • Rohs Compliant and FDA compliant.
  • This grade is slightly softer than the 40D grade. Colour Beige.
Small Parts & Bearings

Additional resources:
Balls Master Catalogue PDF

A more comprehensive listing may be found on the MBA Minibearings main store at Balls - Rubber - Santoprene 87A.
Diameter (D) Material Precision Hardness Properties Colour Indicative
Image
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Santoprene Rubber

Precision
ISO 3290 Grade 3

Hardness
Shore 87A
Properties
Excellent for liquid level float applications.
Colour
Beige
Rubber Balls - 4.76 mm Santoprene Rubber - Grade 3
Material: Santoprene Rubber    Specific Gravity: 0.96   
Part Number: BL-00476-R87A (50 Pcs) Rubber Balls - 4.76 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A
8 units (400 pcs) Available Now | Item Discontinued - Up to 8 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.61 AUD
Regular price $11.99 AUD Sale price $4.61 AUD
Per 50
Diameter (D) Material Precision Hardness Indicative
Image
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Santoprene Rubber

Precision
ISO 3290 Grade 3

Hardness
Shore 87A
Rubber Balls - 4.76 mm Santoprene Rubber - Grade 3
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Beige    Specific Gravity: 0.96   
Part Number: BL-00476-R87A (50 Pcs) Rubber Balls - 4.76 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A
8 units (400 pcs) Available Now | Item Discontinued - Up to 8 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.61 AUD
Regular price $11.99 AUD Sale price $4.61 AUD
Per 50
Diameter (D)
15.88
mm
+/- 0.051
(Equiv. 0.625 in.)
Material
Santoprene Rubber

Precision
ISO 3290 Grade 3

Hardness
Shore 87A
Properties
Excellent for liquid level float applications.
Colour
Beige
Rubber Balls - 15.88 mm Santoprene Rubber - Grade 3
Material: Santoprene Rubber    Specific Gravity: 0.96   
Part Number: BL-01588-R87A (2 Pcs) Rubber Balls - 15.88 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A
177 units (354 pcs) Available Now | Further orders can be expected around Sun, Sep 28, 2025
Regular price $6.05 AUD
Regular price Sale price $6.05 AUD
Per 2
Diameter (D)
15.88
mm
+/- 0.051
(Equiv. 0.625 in.)
Material
Santoprene Rubber

Precision
ISO 3290 Grade 3

Hardness
Shore 87A
Rubber Balls - 15.88 mm Santoprene Rubber - Grade 3
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Beige    Specific Gravity: 0.96   
Part Number: BL-01588-R87A (2 Pcs) Rubber Balls - 15.88 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A
177 units (354 pcs) Available Now | Further orders can be expected around Sun, Sep 28, 2025
Regular price $6.05 AUD
Regular price Sale price $6.05 AUD
Per 2
View the product page first if you are unsure.
Diameter (D)
25.40
mm
+/- 0.051
(Equiv. 1 in.)
Material
Santoprene Rubber

Precision
ISO 3290 Grade 3

Hardness
Shore 87A
Properties
Excellent for liquid level float applications.
Colour
Beige
Rubber Balls - 25.4 mm Santoprene Rubber - Grade 3
Material: Santoprene Rubber    Specific Gravity: 0.96   
Part Number: BL-02540-R87A Rubber Balls - 25.4 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A
300 Available Now | Further orders can be expected around Sun, Sep 28, 2025
Regular price $6.86 AUD
Regular price Sale price $6.86 AUD
Each
Diameter (D)
25.40
mm
+/- 0.051
(Equiv. 1 in.)
Material
Santoprene Rubber

Precision
ISO 3290 Grade 3

Hardness
Shore 87A
Rubber Balls - 25.4 mm Santoprene Rubber - Grade 3
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Beige    Specific Gravity: 0.96   
Part Number: BL-02540-R87A Rubber Balls - 25.4 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A
300 Available Now | Further orders can be expected around Sun, Sep 28, 2025
Regular price $6.86 AUD
Regular price Sale price $6.86 AUD
Each
View the product page first if you are unsure.
Diameter (D)
31.75
mm
+/- 0.127
(Equiv. 1.25 in.)
Material
Santoprene Rubber

Precision
ISO 3290 Grade 3

Hardness
Shore 87A
Properties
Excellent for liquid level float applications.
Colour
Beige
Rubber Balls - 31.75 mm Santoprene Rubber - Grade 3
Material: Santoprene Rubber    Specific Gravity: 0.96   
Part Number: BL-03175-R87A Rubber Balls - 31.75 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A
117 Available Now | Further orders can be expected around Sun, Sep 28, 2025
Regular price $11.95 AUD
Regular price Sale price $11.95 AUD
Each
Diameter (D)
31.75
mm
+/- 0.127
(Equiv. 1.25 in.)
Material
Santoprene Rubber

Precision
ISO 3290 Grade 3

Hardness
Shore 87A
Rubber Balls - 31.75 mm Santoprene Rubber - Grade 3
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Beige    Specific Gravity: 0.96   
Part Number: BL-03175-R87A Rubber Balls - 31.75 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A
117 Available Now | Further orders can be expected around Sun, Sep 28, 2025
Regular price $11.95 AUD
Regular price Sale price $11.95 AUD
Each
View the product page first if you are unsure.