Plain Linear Bearing - Round Flange SFPMR20C 20mm Compensated ID RST The Precision Plus series is

The Precision Plus series is self-aligning due to a crowned bearing shell inside the housing

but the TWN blocks are double sized as if they were two SPBs fused together

ISO metric sizing - the inch series has P and PW part numbers

Double seals come standard

19 US Ton-Force

Plain Linear Bearing - Round Flange SFPMR20C 20mm Compensated ID RST The Precision Plus series isRound flanged plain linear bearing of 20mm ISO Metric ID (inner diameter) and part of the Simplicity product line. Compensated running clearance of 0. 0015 per side allows pairing with another bearing on a parallel shaft with imperfect alignment, while the FrelonGOLD liner, bonded directly to the housing bore, ensures maintenance free performance in harsh conditions like dirt, vibration, and extreme temperatures. The aluminum alloy housing offers