- CareFree - Our best selling maintenance free and lube free bearing for the star 430SWL and 430K and 431 Endura series Handpiece.
- This angular contact design is machined into the inner and outer raceway. This allows better air flow through and around the ball compliment thus eliminating the "pressure pocket". This innovative design requires less air pressure to reach top speeds.
- Integral one piece shield design keeps out composite dust and debris with less than .003" clearance between the races and rolling elements makes them quieter than separately shielded bearings. 8-ball compliment to withstand heavy radial loads. The face is designed to operate without the dust shield installed if desired (Available as P/N: AD-4
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