Bearings
Linear Bearings & Shaft
Linear Carriages
THK Carriages
Quick Code: BB-518493
HSR45 RSS THK Carriage
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Product Specification
Ball chain
Without ball chain
Ball-/Roller rows
Four Row
Brand
THK
Design
Block carriage
Lubrication & Maintenance
Can be relubricated (via the lubrication nipple)
Material
Steel, Plastic
Preload
Normal preload
Seal
End Seals, Sealing Strips and Inner Seals
Series
45 series
Temperature range
-20 to +80 °C
Tolerance class
Normal Class
Type of rolling elements
Balls
Version
Small design
Reference
HSR45RSS
Additional Reference:
10130443
Quick Order Code
BB-518493
Product Description
The HSR45 RSS THK Carriage is a precision linear motion component engineered for demanding industrial applications requiring reliable, smooth movement along THK linear guide rails. This compact block carriage combines exceptional accuracy with robust construction, making it ideal for automation systems, manufacturing equipment, robotics, and machinery requiring precise positioning in space-constrained environments.
Key Specifications:
- Series: 45 series
- Design: Block carriage with small design configuration
- Rolling Elements: Ball type with four-row arrangement for enhanced load distribution, stability, and smooth linear motion
- Material Construction: Durable steel and plastic composition for longevity and reliable performance
- Preload: Normal preload for balanced load capacity and operational smoothness
Protection & Maintenance:
- Sealing System: End seals, sealing strips, and inner seals provide comprehensive contamination protection in challenging environments
- Lubrication: Can be relubricated via lubrication nipple for extended service life and reduced maintenance intervals
- Ball Chain: Without ball chain configuration
Performance Characteristics:
- Tolerance Class: Normal class precision for standard industrial applications
- Operating Temperature Range: -20 to +80°C, suitable for diverse environmental conditions
- Brand: THK – a trusted leader in linear motion solutions
The HSR45 RSS carriage is optimized for applications where space constraints require a compact design while maintaining excellent load-carrying capacity and smooth linear motion characteristics. Its small profile makes it particularly suitable for tight assembly configurations without compromising performance or reliability.

