Overview
The THK SR25W1SS(GK) is a precision linear guide carriage block from THK’s renowned SR series. This radial-type bearing block is manufactured from stainless steel and is designed to work with 23 mm rail systems. With a dynamic load rating of 20.3 kN and static load rating of 39.5 kN, the SR25W1SS(GK) provides robust support for moderate to heavy-load applications in compact spaces.
Key Features
- Stainless Steel Construction – Corrosion-resistant material suitable for washdown and harsh environments
- Compact Carriage Design – 83 mm length × 48 mm width minimizes footprint in confined assemblies
- High Load Capacity – 20.3 kN dynamic and 39.5 kN static load ratings for demanding applications
- Radial Ball Contact – THK’s precision-ground rolling surfaces and caged ball design ensure smooth, low-friction motion
- 23 mm Rail Compatibility – Drop-in fit for standard THK SR series 23 mm rail systems
Technical Specifications
The THK SR25W1SS(GK) meets industrial precision standards and is engineered for reliability across diverse motion control applications:
- Dynamic Load Rating: 20.3 kN
- Static Load Rating: 39.5 kN
- Carriage Length: 83 mm
- Carriage Width: 48 mm
- Rail Size: 23 mm
- Material: Stainless Steel (Type 1SS)
- Type: Radial Linear Guide Carriage (LM Block)
- Bearing Type: Ball contact, 4-row precision rolling surfaces
Typical Applications
The SR25W1SS(GK) is widely used in industrial automation, precision machinery, and motion control systems where smooth travel and load capacity are essential:
- Machine tool fixtures and automated positioning tables
- Semiconductor and electronics manufacturing equipment
- Packaging and material handling systems
- Precision measurement and inspection apparatus
- Medical device assembly automation
- Industrial automation and transfer systems
Compatibility & Replacements
Compatible With
- THK SR-W type 23 mm linear rail systems
- Standard SR series 23 mm LM rail assemblies
- Machine tool positioning and motion control systems requiring radial load support
- Industrial automation frameworks using modular bearing blocks
Replaces / Drop-In Replacement For
The SR25W1SS(GK) is the stainless steel variant of the SR-25W series. It directly replaces or interchanges with other SR-25W standard blocks on 23 mm rail systems. For specific interchange compatibility with other part numbers, verify with your system integrator before ordering.
Works With
- THK LM guide rails (SR series, 23 mm profile)
- Standard mounting flanges and threaded holes for M5 and M6 fasteners
- Industrial machine controllers and positioning systems
- Precision linear motion assemblies in modular automation platforms
