Balls - Rubber - Santoprene 40D

Balls -> Rubber -> Santoprene 40D

There are 8 products in the sub-categories of Balls - Rubber - Santoprene 40D. Browse the Balls - Rubber - Santoprene 40D products table.

Category Details

A selection of Santoprene 40D 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 .95 g/cc. Hardness, Shore 40D
  • Tensile Strength 3000 psi. Melting Point 410 F
  • Rohs Compliant. Not FDA compliant.
  • This grade is slightly harder than the 87A grade. Colour usually red but some sizes are beige.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Balls - Rubber - Santoprene 40D category on the Small Parts & Bearings online store.
Diameter (D) Material Precision Hardness Properties Colour Indicative
Image
Diameter (D)
3.00
mm
+/- 0.051
(Equiv. 0.118 in.)
Material
Santoprene Rubber

Precision
Grade II

Hardness
Shore 40D
Properties
Excellent for liquid level float applications.
Colour
Beige
Rubber Balls - 3 mm Santoprene Rubber - Grade II
Material: Santoprene Rubber    Specific Gravity: 0.95   
Part Number: BL-00300-R40D (1000 Pcs)
Rubber Balls - 3 mm Santoprene Rubber - Grade II Santoprene 40D Ball
473 units (473000 pcs) Available Now | Item Discontinued - Up to 473 may be ordered online. No backorders. Please contact us if you need a larger quantity
$25.00 AUD
$30.00 AUD $25.00 AUD
Per 1000
Quantity Required

473 units (473000 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D) Material Precision Hardness Indicative
Image
Diameter (D)
3.00
mm
+/- 0.051
(Equiv. 0.118 in.)
Material
Santoprene Rubber

Precision
Grade II

Hardness
Shore 40D
Rubber Balls - 3 mm Santoprene Rubber - Grade II
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Beige    Specific Gravity: 0.95   
Part Number: BL-00300-R40D (1000 Pcs)
Rubber Balls - 3 mm Santoprene Rubber - Grade II Santoprene 40D Ball
473 units (473000 pcs) Available Now | Item Discontinued - Up to 473 may be ordered online. No backorders. Please contact us if you need a larger quantity
$25.00 AUD
$30.00 AUD $25.00 AUD
Per 1000
Quantity Required

473 units (473000 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Santoprene Rubber

Precision
Grade II

Hardness
Shore 40D
Properties
Excellent for liquid level float applications.
Colour
Beige or Red
Rubber Balls - 4.76 mm Santoprene Rubber - Grade II
Material: Santoprene Rubber    Specific Gravity: 0.95   
Part Number: BL-00476-R40D (20 Pcs)
Rubber Balls - 4.76 mm Santoprene Rubber - Grade II Santoprene 40D Ball
67 units (1340 pcs) Available Now | Further orders can be expected around Sun, Nov 09, 2025
$6.41 AUD
$6.41 AUD
Per 20
Quantity Required

67 units (1340 pcs) Available Now. Backorder if more than 67.
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Santoprene Rubber

Precision
Grade II

Hardness
Shore 40D
Rubber Balls - 4.76 mm Santoprene Rubber - Grade II
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Beige or Red    Specific Gravity: 0.95   
Part Number: BL-00476-R40D (20 Pcs)
Rubber Balls - 4.76 mm Santoprene Rubber - Grade II Santoprene 40D Ball
67 units (1340 pcs) Available Now | Further orders can be expected around Sun, Nov 09, 2025
$6.41 AUD
$6.41 AUD
Per 20
Quantity Required

67 units (1340 pcs) Available Now. Backorder if more than 67.
Diameter (D)
12.70
mm
+/- 0.051
(Equiv. 0.5 in.)
Material
Santoprene Rubber

Precision
Grade II

Hardness
Shore 40D
Properties
Excellent for liquid level float applications.
Colour
Red
Rubber Balls - 12.7 mm Santoprene Rubber - Grade II
Material: Santoprene Rubber    Specific Gravity: 0.95   
Part Number: BL-01270-R40D (10 Pcs)
Rubber Balls - 12.7 mm Santoprene Rubber - Grade II Santoprene 40D Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 09, 2025
$19.23 AUD
$19.23 AUD
Per 10
Quantity Required

Backorder: Out of Stock.
Diameter (D)
12.70
mm
+/- 0.051
(Equiv. 0.5 in.)
Material
Santoprene Rubber

Precision
Grade II

Hardness
Shore 40D
Rubber Balls - 12.7 mm Santoprene Rubber - Grade II
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Red    Specific Gravity: 0.95   
Part Number: BL-01270-R40D (10 Pcs)
Rubber Balls - 12.7 mm Santoprene Rubber - Grade II Santoprene 40D Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 09, 2025
$19.23 AUD
$19.23 AUD
Per 10
Quantity Required

Backorder: Out of Stock.
Diameter (D)
19.05
mm
+/- 0.051
(Equiv. 0.75 in.)
Material
Santoprene Rubber

Precision
Grade II

Hardness
Shore 40D
Properties
Excellent for liquid level float applications.
Colour
Red
Rubber Balls - 19.05 mm Santoprene Rubber - Grade II
Material: Santoprene Rubber    Specific Gravity: 0.95   
Part Number: BL-01905-R40D (2 Pcs)
Rubber Balls - 19.05 mm Santoprene Rubber - Grade II Santoprene 40D Ball
25 units (50 pcs) Available Now | Further orders can be expected around Sun, Nov 09, 2025
$6.32 AUD
$6.32 AUD
Per 2
Quantity Required

25 units (50 pcs) Available Now. Backorder if more than 25.
Diameter (D)
19.05
mm
+/- 0.051
(Equiv. 0.75 in.)
Material
Santoprene Rubber

Precision
Grade II

Hardness
Shore 40D
Rubber Balls - 19.05 mm Santoprene Rubber - Grade II
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Red    Specific Gravity: 0.95   
Part Number: BL-01905-R40D (2 Pcs)
Rubber Balls - 19.05 mm Santoprene Rubber - Grade II Santoprene 40D Ball
25 units (50 pcs) Available Now | Further orders can be expected around Sun, Nov 09, 2025
$6.32 AUD
$6.32 AUD
Per 2
Quantity Required

25 units (50 pcs) Available Now. Backorder if more than 25.
Diameter (D)
31.75
mm
+/- 0.127
(Equiv. 1.25 in.)
Material
Santoprene Rubber

Precision
Grade III

Hardness
Shore 40D
Properties
Excellent for liquid level float applications.
Colour
Red
Rubber Balls - 31.75 mm Santoprene Rubber - Grade III
Material: Santoprene Rubber    Specific Gravity: 0.95   
Part Number: BL-03175-R40D (70 Pcs)
Rubber Balls - 31.75 mm Santoprene Rubber - Grade III Santoprene 40D Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 09, 2025
$478.86 AUD
$818.26 AUD $478.86 AUD
Per 70
Quantity Required

Backorder: Out of Stock.
Diameter (D)
31.75
mm
+/- 0.127
(Equiv. 1.25 in.)
Material
Santoprene Rubber

Precision
Grade III

Hardness
Shore 40D
Rubber Balls - 31.75 mm Santoprene Rubber - Grade III
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Red    Specific Gravity: 0.95   
Part Number: BL-03175-R40D (70 Pcs)
Rubber Balls - 31.75 mm Santoprene Rubber - Grade III Santoprene 40D Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 09, 2025
$478.86 AUD
$818.26 AUD $478.86 AUD
Per 70
Quantity Required

Backorder: Out of Stock.
Diameter (D)
38.10
mm
+/- 0.127
(Equiv. 1.5 in.)
Material
Santoprene Rubber

Precision
Grade III

Hardness
Shore 40D
Properties
Excellent for liquid level float applications.
Colour
Red
Rubber Balls - 38.1 mm Santoprene Rubber - Grade III
Material: Santoprene Rubber    Specific Gravity: 0.95   
Part Number: BL-03810-R40D (40 Pcs)
Rubber Balls - 38.1 mm Santoprene Rubber - Grade III Santoprene 40D Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 09, 2025
$471.23 AUD
$804.91 AUD $471.23 AUD
Per 40
Quantity Required

Backorder: Out of Stock.
Diameter (D)
38.10
mm
+/- 0.127
(Equiv. 1.5 in.)
Material
Santoprene Rubber

Precision
Grade III

Hardness
Shore 40D
Rubber Balls - 38.1 mm Santoprene Rubber - Grade III
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Red    Specific Gravity: 0.95   
Part Number: BL-03810-R40D (40 Pcs)
Rubber Balls - 38.1 mm Santoprene Rubber - Grade III Santoprene 40D Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 09, 2025
$471.23 AUD
$804.91 AUD $471.23 AUD
Per 40
Quantity Required

Backorder: Out of Stock.
Diameter (D)
44.45
mm
+/- 0.127
(Equiv. 1.75 in.)
Material
Santoprene Rubber

Precision
Grade III

Hardness
Shore 40D
Properties
Excellent for liquid level float applications.
Colour
Red
Rubber Balls - 44.45 mm Santoprene Rubber - Grade III
Material: Santoprene Rubber    Specific Gravity: 0.95   
Part Number: BL-04445-R40D (30 Pcs)
Rubber Balls - 44.45 mm Santoprene Rubber - Grade III Santoprene 40D Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 09, 2025
$478.05 AUD
$816.60 AUD $478.05 AUD
Per 30
Quantity Required

Backorder: Out of Stock.
Diameter (D)
44.45
mm
+/- 0.127
(Equiv. 1.75 in.)
Material
Santoprene Rubber

Precision
Grade III

Hardness
Shore 40D
Rubber Balls - 44.45 mm Santoprene Rubber - Grade III
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Red    Specific Gravity: 0.95   
Part Number: BL-04445-R40D (30 Pcs)
Rubber Balls - 44.45 mm Santoprene Rubber - Grade III Santoprene 40D Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 09, 2025
$478.05 AUD
$816.60 AUD $478.05 AUD
Per 30
Quantity Required

Backorder: Out of Stock.
Diameter (D)
57.15
mm
+/- 0.127
(Equiv. 2.25 in.)
Material
Santoprene Rubber

Precision
Grade III

Hardness
Shore 40D
Properties
Excellent for liquid level float applications.
Colour
Red
Rubber Balls - 57.15 mm Santoprene Rubber - Grade III
Material: Santoprene Rubber    Specific Gravity: 0.95   
Part Number: BL-05715-R40D
Rubber Balls - 57.15 mm Santoprene Rubber - Grade III Santoprene 40D Ball
40 Available Now | Further orders can be expected around Sun, Nov 09, 2025
$50.32 AUD
$50.32 AUD
Each
Quantity Required

40 Available Now. Backorder if more than 40.
Diameter (D)
57.15
mm
+/- 0.127
(Equiv. 2.25 in.)
Material
Santoprene Rubber

Precision
Grade III

Hardness
Shore 40D
Rubber Balls - 57.15 mm Santoprene Rubber - Grade III
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Red    Specific Gravity: 0.95   
Part Number: BL-05715-R40D
Rubber Balls - 57.15 mm Santoprene Rubber - Grade III Santoprene 40D Ball
40 Available Now | Further orders can be expected around Sun, Nov 09, 2025
$50.32 AUD
$50.32 AUD
Each
Quantity Required

40 Available Now. Backorder if more than 40.