R163171420 Bosch Rexroth Runner Block KWD-030-FNS-C1-N-1
R163171420 (1631-714-20) Bosch Rexroth ball runner block, aluminum, flanged, normal length, standard height, 30 mm, low preload, normal accuracy, without ball chain.
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Bosch Rexroth linear guides designed for linear ball rail systems are commonly used on industrial CNC router machines. Below is sample of 30 mm, 35 mm, 45 mm, and 55 mm sizes replacement runner blocks that are available to order. Many other sizes and configurations are also available.

R163171420 (1631-714-20) Bosch Rexroth ball runner block, aluminum, flanged, normal length, standard height, 30 mm, low preload, normal accuracy, without ball chain.

R165111420 (1651-114-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 15 mm, low preload, normal accuracy.

R165121420 (1651-214-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 25 mm, low preload, normal accuracy, without ball chain.

R165122320 (1651-223-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 25 mm, average preload, high accuracy, without ball chain.

R165122420 (1651-224-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 25 mm, average preload, normal accuracy, without ball chain.

R165129420 (1651-294-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 25 mm, without preload, normal accuracy.

R165131320 (1651-313-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 35 mm, low preload, high accuracy, without ball chain.

R165131370 (1651-313-70) Bosch Rexroth ball runner block, 35 mm, low preload, high accuracy.

R165131410 (1651-314-10) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 35 mm, low preload, normal accuracy.


R165131420 (1651-314-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 35mm, low preload, normal accuracy.

R165131420 (1651-314-20) Bosch Roxroth ball runner block, carbon steel, flanged, normal length, standard height, 35 mm, low preload, normal accuracy.

R165132220 (1651-322-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 35 mm,Ā average preload, precision accuracy, without ball chain.

R165132222 (1651-322-22) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 35 mm, average preload, precision accuracy, with ball chain.

R165132320 (1651-323-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 35 mm, average preload, high accuracy, without ball chain.

R165132420 (1651-324-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 35 mm,Ā average preload, normal accuracy, without ball chain.