Linear Ball Bearing IP32GW 2.00" Closed Double Wide Open Linear Plain Bearing Adjustable Linear Ball Bearing with

Adjustable Linear Ball Bearing with a 40mm ISO Metric ID (inner diameter)

but the TWN blocks are twice thee size

Plain Linear Bearing with a square flange and a 30mm precision ID

square-end-flange w/ a 60mm compensated ID

Linear Ball Bearing IP32GW 2.00" Closed Double Wide Open Linear Plain Bearing Adjustable Linear Ball Bearing withDouble linear ball bearing, closed, with a 2" inner diameter (ID). The twin size format equals two standard linear ball bearings mounted back to back for added stability. Its ball bearing design provides a low coefficient of friction and offers an advantage in cantilevered applications where plain bearings may be limited by the 2: 1 binding rule. The heat treated alloy steel shell provides durability, the balls deliver speed, and the polymer resin