For over 60 years, Hawthorne Rubber Manufacturing Corporation has been a supplier of both standard and precision custom molded rubber balls to the exact specifications of OEM, industrial, laboratory and engineering development groups.
Some of the standard ball sizes are listed below. They are manufactured in many different materials in a wide range of durometer hardnesses.
P/N | Diameter |
Material |
Durometer |
Comment |
B-.276 |
|
Any Rubber |
Any Durometer |
7 mm Diameter |
B-1/2 |
|
Any Rubber |
Any Durometer |
|
B-5/8 |
|
Any Rubber |
Any Durometer |
|
B-.787 |
|
Any Rubber |
Any Durometer |
20 mm Diameter |
B-1 |
|
Any Rubber |
Any Durometer |
|
B-1 3/8 |
|
Any Rubber |
Any Durometer |
|
B-1 5/8 |
|
Any Rubber |
Any Durometer |
|
B-1 7/8 |
|
Any Rubber |
Any Durometer |
|
B-2 |
|
Any Rubber |
Any Durometer |
|
B-2 5/8 |
|
Any Rubber |
Any Durometer |
|
B-3 5/16 |
|
Any Rubber |
Any Durometer |
|
B-3 1/2 |
|
Any Rubber |
Any Durometer |
|
B-5 1/8 |
|
Any Rubber |
Any Durometer |
|
B-7/8 SI-70 FDA_W |
|
Silicone |
|
Translucent White, FDA rubber |
B-1 1/8 SI-70 FDA_W |
|
Silicone |
|
Translucent White, FDA rubber |
B-1 1/8 NR-50 FDA_W |
|
Pure Gum |
|
White colored, FDA rubber |
B-1 1/8 BC-55 FDA_W |
|
Neoprene |
|
White colored, FDA rubber |
B-3/4 UR-95 |
|
Polyurethane |
|
Amber colored rubber |
B-1 UR-95 |
|
Polyurethane |
|
Amber colored rubber |
B-1 1/2 UR-95 |
|
Polyurethane |
|
Black colored rubber |
B-2 UR-95 |
|
Polyurethane |
|
Black colored rubber |
B-2 1/2 UR-95 |
|
Polyurethane |
|
Black colored rubber |
B-3 UR-95 |
|
Polyurethane |
|
Black colored rubber |
B-3 1/2 UR-95 |
|
Polyurethane |
|
Black colored rubber |
B-4 UR-95 |
|
Polyurethane |
|
Black colored rubber |
B-4 1/2 UR-95 |
|
Polyurethane |
|
Black colored rubber |
B-5 UR-95 |
|
Polyurethane |
|
Black colored rubber |
The above table dimensions are reference dimensions. Actual dimensions vary based on the material being used. Actual dimensions will be supplied upon request.
If you don't see the ball size you are looking for or you
need a special core insert like wood or steel, just ask us and
we will quote you in it. We supply both standard and custom balls
in a wide range of materials, including Fluorocarbon (both Fluorel
and Viton®), Fluorosilicone, Silicone, Urethane, Nitrile,
Neoprene, EPR, SBR, and Natural Rubber. We mold balls in translucent,
colored or black rubber. Some compounds can conduct electricity,
or be used in FDA, dental, or pharmaceutical applications.