Bosch Rexroth R167251420

Ball runner block, CNS, size 20, steel CS, accuracy standard, low preload, without ball chain The ball runner block is highly precise and characterized by the following product features:Size 20Format CNS: Width = compact, length = normal, height = standardRunner block body made of unalloyed steel CSPreload class C1: Low preloadAccuracy class N: StandardWithout ball chainWith initial lubrication and preservationRoller bearing grease Dynalub 510Without attachment element, left (front reference edge)Without attachment element, right (front reference edge)Straight lube connection loosely attached.Runner block body in standard versionOverall length of the runner block = 73.0 mmInterchangeability: The runner block and the guide rails can be combined with each other with every accuracy. - Area of application: For high torsional moments on rails with restricted lateral space - The same high load ratings in all four main directions of loading - Long-term lubrication is possible over several years - Excellent dynamic characteristics - High torque load capacity - Attachments on the ball runner block can be mounted from above - Integrated all-round sealing - Improved rigidity under lift-off and side loading conditions due to two additional mounting screw holes at the center of the ball runner block - Can be used on all BNS ball guide rails - Wide range of accessories - End-face fastening thread for all attachments - Optimized entry-zone geometry and high number of balls minimize...