commercial grade rubber balls, rubber ball, rubber balls for industrial applications, class 3 rubber balls

RubberMill's commercial grade balls are manufactured for a variety of industrial applications. Commercial rubber balls are produced to RMA Class 3 tolerances in a wide range of specifications and compounds.

Compounds for Commercial Grade Balls
• Pure Gum Natural
• Nitrile (Buna-N)
• Viton® †
• Neoprene
• SBR
• Silicone
• FDA Compounds
• Urethane
†DuPont Dow Registered Trademark

Diameter of Standard Commercial Grade Rubber Balls

Inches Inches (decimal)

3/32 0.093

1/8 0.125

5/32 0.156

3/16 0.188

7/32 0.218

1/4 0.250

17/64 0.264

9/32 0.281

5/16 0.313

21/64 0.325

3/8 0.375

7/16 0.437

1/2 0.500

5/8 0.625

Inches
continued Inch (decimal) continued

3/4 0.750

13/16 0.813

7/8 0.875

15/16 0.938

1 1.000

1 1/8 1.125

1 1/2 1.250

1 3/8 1.375

1 5/8 1.625

2 2.000

2 3/4 2.750

5 5.000

6.5 6.500

RMA Class A3 Tolerance for Rubber Balls

Size (in.) Fixed +/– Closed +/–

0.00 - 0.40 .008 .013

0.40 - 0.63 .010 .016

0.63 - 1.00 .013 .020

1.00 - 1.60 .016 .025

1.60 - 2.50 .020 .032

2.50 - 4.00 .025 .040

4.00 - 6.30 .032 .050

RubberMill • 9897 Old Liberty Road • Post Office Box 1329 • Liberty, NC 27298
Phone: 336-622-1680 • Fax: 336-622-1685
info@rubbermill.com