Amazon.com: 1 inch ball bearing
6 Pcs - 1'Roller Ball Transfer Bearing,Flange Mounted Carbon Steel Round Ball Transfer Unit Universal Rotation Ball Casters for Conveyor,Roller Stand,Transmission, Load 400 lbs. 4.3 out of 5 stars 29. 16.99 16. 99 (2.83/Item) Get it as soon as Thu, Jun 3. FREE Shipping on …
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