KB12-OP NB Open Bearing 12mm Ball Bushings Linear Motion Bearing electric motor bearing 6211-2RS1 Deep groove ball bearings

6211-2RS1 Deep groove ball bearings single row Radial Bearing 55 mm ID x 100 mm OD x 21 mm Wide

this Nachi bearing is a solid pick

D X x Y x Z mm tolerance mm tolerance 25 0-18 52 0-30 165 74 10 60 6

TWJ4WUU NB Bearing

Rubber seals make a big difference when reliability matters:

KB12-OP NB Open Bearing 12mm Ball Bushings Linear Motion Bearing electric motor bearing 6211-2RS1 Deep groove ball bearingsKB12 OP NB Open Type: Slide Unit Made in Japan: NB Linear Systems KB12 OP NB Open Type Bearing, measures an inner diameter of 12mm, Series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), made in Japan. KB12 OP NB Bearing Linear Ball Bushing Shaft Diameter: 12mm Number Of Ball Circuits: 3 Quantity: 1 Bearing Dynamic load rating Cr: 510 N Static load rating Cor: 784 N Major Dimensions dr D L B W D1 h mm tolerance mm tolerance mm