Home » R162289420 KWD-020-SNS-C0-N-1 Bosch Rexroth Ball Runner Block Carriage

R162289420 KWD-020-SNS-C0-N-1 Bosch Rexroth Ball Runner Block Carriage

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SKU: R162289420-REXROTH
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Ball runner block, SNS, size 20, steel CS, accuracy standard, preload-free, without ball chain
£95.02 inc.VAT
£79.18 exc.VAT
All prices exclude VAT unless otherwise stated
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Product details

  • Vendor Bosch Rexroth
  • SKU R162289420-REXROTH
  • Inside diameter (d) 20mm
Description Shipping Information Returns

The Bosch Rexroth KWD-020-SNS-C0-N-1 is a high-precision, preload-free ball runner block designed for linear motion applications where smooth travel, reliability and flexibility are essential. Its SNS format — slimline width, normal block length, and standard height — makes it ideal for installations with limited transverse space while still offering excellent load capacity and compatibility with all SNS-series guide rails. The block is built from carbon steel, factory-pre-lubricated and sealed for long-term performance.

Key Features

  • SNS format (Slimline / Normal / Standard height) — offers a narrow footprint for space-constrained installations without compromising load capability or guidance stability. 

  • Size 20 — larger than size-15 variants, providing increased load capacity and rigidity for heavier duty applications. 

  • Carbon steel construction (CS) — ensures robustness, stiffness, and long service life under demanding conditions. 

  • Preload Class C0 (Preload-free / clearance type) — facilitates smooth, low-friction motion when preload is not required. 

  • Accuracy Class N (Standard precision) — suitable for most automation, machine tool and linear-guidance tasks that don’t require ultra-high precision. 

  • Factory-pre-lubricated and sealed — ready to install, with long-term lubrication and minimal initial maintenance required. 

  • Interchangeable with all compatible SNS guide rails of the same size and accuracy class — making system upgrades or replacements straightforward. 

Technical Specifications 

  • Nominal Size: 20 

  • Format: SNS — Slimline width, Normal length, Standard height 

  • Material: Carbon steel (CS) 

  • Preload Class: C0 (Preload-free) 

  • Accuracy Class: N (Standard precision) 

  • Seal Type: SS — Standard seal, without ball chain 

  • Mass (approx): 0.35 kg 

  • Dynamic load capacity (C): ≈ 23,400 N 

  • Static load capacity (C₀): ≈ 29,800 N 

  • Dynamic torsional moment load capacity (Mt): ≈ 300 Nm 

  • Dynamic longitudinal (side) moment load capacity (ML): ≈ 200 Nm 

  • Maximum linear speed (vₘₐₓ): 5 m/s 

  • Maximum permissible acceleration (aₘₐₓ): 500 m/s² 

  • Permissible ambient temperature range: –10 °C to +80 °C (short-term peaks up to ~100 °C possible under correct lubrication) 

Typical Applications

The KWD-020-SNS-C0-N-1 is especially suitable for:

  • CNC machines, milling / routing equipment, and precision machining centres

  • Automation, assembly, and pick-and-place systems requiring smooth, reliable linear motion

  • Industrial robotics and material handling where compact rail footprint and high load capacity are needed

  • Retrofit or maintenance applications using Bosch Rexroth SNS-size-20 guide rails

  • General-purpose linear motion systems where preload-free, low-friction performance is desirable

Why Buy from Bearing King Ltd

By sourcing this ball runner block from Bearing King Ltd you get:

  • Genuine Bosch Rexroth OEM-specified components guaranteeing fit, performance and reliability

  • Competitive UK-based pricing and prompt dispatch

  • Expert technical support for rail matching, preload selection, lubrication and installation best practices

  • Ready-to-install, pre-lubricated units to reduce downtime and maintenance needs