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THK HSR45
Linear Motion Guide
THK HSR45
Linear Motion Guide
THK HSR45 linear motion guide, size 45, rail width 45mm. Extra-heavy LM Guide for large CNC machines and heavy-duty industrial applications.
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THK HSR45 linear motion guide, size 45, rail width 45mm. Extra-heavy LM Guide for large CNC machines and heavy-duty industrial applications.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Technical Dimensions & Load Ratings
Confirm these values match your shaft, housing and application requirements before ordering.
Dimensions
| Bore Diameter (d) | 45mm |
| Outer Diameter (D) | 134mm |
| Width (B) | 62mm |
THK HSR45
Linear Motion Guide
Technical Specifications
| Part Number | THK HSR45 |
| Brand | THK |
| Bearing Type | Linear Motion Guide |
| Seal Type | Open |
| Bore (Inner Diameter) | 45 mm |
| Outer Diameter | 134 mm |
| Width / Thickness | 62 mm |
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Technical Datasheet
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About the THK THK HSR45
The THK THK HSR45, is a linear motion guide, in an open configuration for maximum speed and easy relubrication, featuring a 45mm bore, 134mm outer diameter, and 62mm width, and is extended stock at Buy Bearings.
THK HSR45 linear motion guide, size 45, rail width 45mm. Extra-heavy LM Guide for large CNC machines and heavy-duty industrial applications.
Key Specifications
The THK HSR45 linear motion guide is specified with 45mm bore (inner diameter), 134mm outer diameter, 62mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life.
Common Applications
Linear Motion Guides are commonly used in:
About Linear Motion Guides
Linear bearings are designed to provide smooth, low-friction motion along a straight line. They are essential in precision applications such as CNC machines, 3D printers, and automation systems.
Why Buy the THK HSR45 from Buy Bearings?
- UK-authorised distributor with genuine THK products
- Expert technical support from our engineering team
- Competitive pricing with fast UK dispatch
- Full technical datasheet and cross-reference support
- 30-day returns on standard products
Frequently Asked Questions
What is a THK HSR45 bearing?
The THK HSR45 is a THK Linear Motion Guide with a 45mm bore, 134mm outer diameter and 62mm width. It is Extended Stock at Buy Bearings.
What are the THK HSR45 dimensions?
The THK HSR45 measures 45mm bore (inner diameter) × 134mm outer diameter × 62mm width.
What does Open mean on a bearing?
Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.
Is the THK HSR45 in stock?
The THK HSR45 is Extended Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related Parts — Seals & Bushings
Matching seals and bushings for 45mm shaft diameter — complementary components for your bearing.
