CRWU 30 -55 - IKO Crossed Roller Way Unit 31310A This GE20FO bearing is a

This GE20FO bearing is a metric steel/steel open type spherical plain bearing with a standard radial internal clearance

This 61815 bearing is a Open Type Thin Section Deep Groove Radial Ball Bearing with a standard radial internal clearance

This 6217 C3 SKF bearing is a Open Type Deep Groove Radial Ball Bearing with a larger than standard radial internal clearance The bearing's dimensions are 85x150x28

7/8x4x13/16

CRWU 30 -55 - IKO Crossed Roller Way Unit 31310A This GE20FO bearing is aThis CRWU 30 55 is an Anti Creep Crossed Roller Linear Way Unit with High Rigidity and High Accuracy. The bearing has a width of 30mm and a length of 55mm CRWU 30 55 Crossed Roller Way Unit Width 30mm Way Length 55mm High Carbon Steel