R165142220 Bosch Rexroth Runner Block KWD-045-FNS-C2-P-1
R165142220 (1651-422-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 45 mm, average preload, precision accuracy, without ball chain.
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Our extensive linear motion parts inventory includes linear bearings also called linear guides and runner blocks. Ball nuts and linear actuators are available too. In addition to supplying spare linear parts, we can specify new and replacement linear-motion systems for your CNC router application.

R165142220 (1651-422-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 45 mm, average preload, precision accuracy, without ball chain.

R165142320 (1651-423-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 45 mm, average preload, high accuracy, without ball chain.

R165142410 (1651-424-10) Bosch Rexroth Star 45mm ball runner block. Used, rebuilt by CNC Parts Dept., Inc.

R165142420 (1651-424-20) Bosch Rexroth ball runner block, carbon steel, flanged, normal length, standard height, 45 mm, average preload, normal accuracy, without ball chain.

R165151420 (1651-514-20) Bosch Rexroth ball runner block, 55 mm.

R165171410 (1651-714-10) Bosch Rexroth ball runner block, flanged, normal length, standard height, 30 mm, low preload, normal accuracy. Used, rebuilt.

R165171420 (1651-714-20) Bosch Rexroth ball runner block, flanged, normal length, standard height, 30 mm, low preload, normal accuracy, without ball chain.

R165932044 (1659-320-44) Bosch Rexroth Star ball runner block, 35 mm. Used, rebuilt condition.


R166221410 (1662-214-10) Bosch Rexroth STAR ball runner block, 25 mm, designed for use in CNC routers, machine tools, and industrial robots. Used condition.

R166221420 (1662-214-20) Bosch Rexroth STAR ball runner block, carbon steel, 25 mm, slimline, short length, standard height, low preload, normal accuracy, without ball chain.

R166621420 (1666-214-20) Bosch Rexroth Star linear guide, 25 mm slimline, Multicam replacement. Replaces part# 1666-294-11.


IBL R40-40-32-4000-060 ball nut features 40mm pitch and 40mm diameter. Rebuilt condition.

RNFCL3232A3S NSK R series rolled ball screw nut assembly, 32 mm, sealed, threaded body, end cap type, flanged nut.

NSK RNFCL4040-A3S ball nut, 40 mm, threaded body, flanged. Used condition, rebuilt.

RNFCL4040A3S NSK R series rolled ball screw nut assembly, 40 mm, sealed, threaded body, end cap type, flanged nut.
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R151249013 Bosch Rexroth Ball Screw Nut (Rebuilt)
1 × $367.92
R151244014 Bosch Rexroth Ball Screw Nut (Used)
1 × $500.00
BNT 2510 THK Ball Screw Nut (Rebuilt)
1 × $197.00
BLK 4040-7.2 ZZ THK Rolled Ball Screw Nut
1 × $1,014.00
RNFCL3232A3S NSK Ball Nut Assembly
1 × $743.24
BLK 4040-7.2 ZZ THK Rolled Ball Screw Nut (Rebuilt)
1 × $507.00
R162231410 Bosch Rexroth Runner Block (Rebuilt)
1 × $130.00
8115-448-056 Thomson Precision Rolled Ball Nut
1 × $950.54
SPB-24-OPN Thomson Linear Bearing - 1 Flange (Rebuilt)
1 × $100.00
NAH45EMZ NSK 45mm Linear Guide
1 × $409.59
Bosch Rexroth Star 1284.011.08 Linear Slide (Used)
1 × $500.00
SPB-32-OPN Thomson Linear Bearing (Rebuilt)
1 × $362.00
THK SR 35W Linear Bearing Block (Used)
1 × $90.00
THK Linear Guide w/ Rail RSR15WMUU + 150LMX
1 × $195.00
R165171410 Bosch Rexroth Runner Block KWC-030-FNS-N-C1
1 × $121.12
HSR25C1SS THK 25mm Linear Guide
1 × $196.81
R40-40-32-4000-060 IBL Ball Nut (Rebuilt)
1 × $400.00 Subtotal: $6,784.22
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