Through an exclusive grinding process and equipment designed by our own, we’re able to provide precision ground rubber balls with a very close tolerance and superior surface at an unbeatable price.
--- Perfect as Check Balls / Valve Balls in low pressure sealing applications
--- Also suitable for Light load bearings, especially when quite operation required
. No parting lines. Precision ground to a superior sealing surface.
. Very close diameter tolerances for outstanding sealing performance.
Superior than RMA Class A1 High Precision Standard.
. Abrasion resistant, low friction, and virtually no lubrication required
. Resistant to corrosion
. Withstand severe vibration and impact
. Non-magnetic
. Much lighter than metal balls
. Minimal space needed
Standard Precision Ground Rubber Balls:
. Sizes from 0.093” to 0.500”, available diameter and tolerance listed in the table below.
. Material: NBR
. Hardness: 70 duro
. Color: Black
. Generally in stock for prompt delivery. If not, we can make them for you within 72 hours.
Diameter & Tolerances of Standard Precision Ground Rubber Balls
Custom Sizes, Materials (Silicone, EPDM, Viton,....), Hardness (50~90 duro), and Color available.
Food Grade materials upon request.