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Size 30 ball runner block, flanged normal-length standard-height carriage for profiled rail linear guides. Preload class C0, normal accuracy class.
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| MFR / Brand | Rexroth |
|---|---|
| MPN | R165179420 |
| Model | R 165179420 |
| Condition | New – Open box |
|---|---|
| Type | Linear Bearing |
| Base Number | KWD-030-FNS-C0-N-1 |
| Industry Terms | Ball runner block; Linear guide block; Linear bearing block; Ball carriage; Profiled rail carriage; Linear guideway block; KWD block |
| Common Misspellings | Rexroth R165179240; Rexrot R165179420; KWD030FNSC0N1; Bosch Rexworth R165179420 |
| Application Types | Machine tool axes; CNC gantries; Factory automation slides; Pick and place; Packaging machinery; Material handling |
| Condition Note | Made In Romania, New Old Stock |
| Mpn Variants | KWD-030-FNS-C0-N-1; R-165-179-420; R165 179 420; R165179420 |
| Precision Class | N - normal accuracy |
| Material | Carbon steel |
| Series | Rexroth Ball Rail System, SNS/SNO |
| Rolling Elements | Recirculating steel balls |
| Bearing Type | Linear ball runner block, recirculating, flanged |
| Preload | C0 |
| Part Number | R165179420 |
| Mounting Type | Flange mount, fastening from above and below |
| Cross Reference 1 | KWD-030-FNS-C0-N-1 |
|---|
Bosch Rexroth R165179420 ball runner block, catalogued as KWD-030-FNS-C0-N-1. A runner block is the moving carriage of a profiled rail linear guide: recirculating ball tracks inside the block roll on the ground raceways of a hardened steel ball guide rail. Manufacturer: Rexroth. Part Number: R165179420. Designation: KWD-030-FNS-C0-N-1. Size: 30. Block Form: FNS, flange, normal length, standard height. Material: carbon steel. Preload Class: C0. Accuracy Class: N, normal. Product Family: Rexroth Ball Rail System, SNS and SNO rails.
KWD — Rexroth’s code for a ball runner block, the carriage half of a ball rail system.
030 — size 30, the nominal size that fixes which ball guide rail profile the block runs on.
FNS — flange, normal length, standard height. The block body carries a mounting flange rather than a slimline top-tapped face.
C0 — preload class C0, the lightest preload class in the Rexroth ball rail programme.
N — normal accuracy class.
1 — standard seal execution.
R165179420 — the Bosch Rexroth nine-digit material number. R-165-179-420 is the same number punctuated.
Block Form: FNS. A flanged block delivers high rigidity in all load directions, which is what permits an axis to be built with a single runner block on one rail. Attachments mount to the block from above and from below, and two additional mounting positions raise rigidity under lift-off and side loading. Preload Class: C0. The lightest preload class gives the lowest running friction and the smallest drag on the drive motor, with correspondingly lower stiffness against reversing load. Accuracy Class: N. Normal accuracy is the standard-tolerance grade used across general machine building and factory automation.
Block Form: FNS, flanged. The flange carries the mounting holes, so attachments fasten from above and from below. Material: carbon steel. Size: 30 — the block seats on Rexroth SNS and SNO ball guide rails of size 30.
Unit Quantity: 1 Pc. One runner block per listing.
R165179420, R165 179 420 and R-165-179-420 are the same part, and Bosch Rexroth catalogues it as KWD-030-FNS-C0-N-1. A drawing, parts list or maintenance BOM quoting either the material number or the KWD designation resolves to this runner block.
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