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Rubbermill manufactures commercial grade rubber balls for a range of industrial uses. These are produced to RMA Class 3 tolerances in many compounds.

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

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

Diameter of Standard Commercial Grade Balls

Inches	Inches (decimal)
5/8	0.625
7/8	0.875
1	1.000
1 1/8	1.125
1 1/4	1.250
1 3/8	1.375
1 5/8	1.625
2	2.000
3	3.000

RMA Class A3 Tolerance

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

Visit our Design Illustration #46 Ball to specify your ball needs.

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