Bearings
Linear Bearings & Shaft
Linear Carriages
THK Carriages
Quick Code: BB-531497
HDR15 LRSS THK Carriage
The HDR15 LRSS THK Carriage is a precision linear motion component engineered to deliver smooth, accurate movement in demanding industrial applications. This block carriage combines robust construction with advanced sealing technology and flexible design, making it an ideal choice for machinery requiring reliable linear guidance with versatile mounting options and minimal maintenance.
Key Specifications:
- Series: 15 series for compact, space-efficient applications
- Design: Block carriage configuration for versatile installation flexibility
- Version: Small and long design for applications requiring extended travel range with optimized footprint
- Rolling Elements: Four-row ball type for enhanced load capacity, smooth recirculation, and superior load distribution
- Ball Chain: Without ball chain for applications where standard recirculation is sufficient
- Preload: Normal preload for balanced performance, load capacity, and operational longevity
- Tolerance Class: Normal Class precision for reliable, repeatable positioning
Construction & Protection:
- Material: Durable steel and plastic components engineered for demanding industrial environments
- Sealing System: Comprehensive multi-stage protection featuring end seals, sealing strips, and inner seals to prevent contamination ingress and ensure extended service life
- Operating Temperature Range: -20 to +80°C for reliable performance across diverse environmental conditions
Maintenance & Lubrication:
- Lubrication System: Relubrication capability via lubrication nipple for extended service life and convenient maintenance access
- Design Philosophy: Engineered for easy maintenance and optimal performance with minimal downtime
Brand & Quality:
- Brand: THK — world-renowned leader in precision linear motion technology
Typical Applications:
The HDR15 LRSS carriage excels in CNC machinery, automated assembly lines, printing systems, packaging equipment, industrial automation, positioning systems, and other precision industrial equipment where compact size, extended travel capability, reliable motion, and minimal maintenance are critical requirements.
The HDR15 LRSS carriage is optimized for applications requiring dependable, high-performance linear motion with the flexibility of a small and long design configuration, integrated relubrication convenience, and comprehensive environmental protection.

