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

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