CRWM 4 - 120 - IKO - Crossed Roller Way 6210NSK This 6310 KOYO bearing is

This 6310 KOYO bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 50x110x27

This GEH90ES 2RS bearing is a metric steel/steel spherical plain bearing with a rubber seal on both sides of the bearing and a standard radial internal clearance

The bearing's dimensions are 15x30x16

SL 1/2 EC Self Lube Cast Iron Pillow Block Unit 1/2inch - Bore Size Eccentric Collar Lock with Flush Inner Ring on One Side

This SFT50 DEC bearing is a Cast Iron Flange Bearing Unit with an eccentric collar lock and a long inner ring

CRWM 4 - 120 - IKO - Crossed Roller Way 6210NSK This 6310 KOYO bearing isThis CRWM4 120 is an Anti Creep Crossed Roller Linear Way Unit with High Rigidity and High Accuracy. The bearing has a width of 4mm and a length of 120mm CRWM 4 120 Module Type Crossed Roller Way Width 44mm Way Length 120mm High Carbon Steel