NB SM13 13mm Slide Bush Ball Bushings Linear Motion Bearing 75mm OD pair of ball bearings is

pair of ball bearings is 2 duplex bearings

607-2rs Nachi Ball Bearing

Static load rating: 44282 N

S6806-2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination

608-2RS Orange Seal Ball Bearings

NB SM13 13mm Slide Bush Ball Bushings Linear Motion Bearing 75mm OD pair of ball bearings isSM13 Slide Bush Made in Japan: NB Linear Systems Nippon Bearing Linear Systems 13mm Linear Slide Bush, bearing is a high accuracy grade linear bushings,series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), made in Japan. SM13 Bearing Linear Slide Bush Number of Ball Circuits: 4 Quantity: 1 Bearing Dynamic load rating Cr: 510 N Static load rating Cor: 784 N Major dimensions Eccentricity radial clearance dr D L B W D1 Precision High