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Home / Bearings & Bushings / German Linear Guide Rail Block HGW/HGH20CA Track 15 25 30C Bearing 35 Square Rail 45

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Model Series HGW / HGH20CA
Material High Carbon Chromium Steel
Precision Grade P5 / P6 Standard
Dynamic Load Capacity Varies by Size (15-45mm)
Rail Length Options 100mm to 4000mm
Block Configuration Square Flange Type
Surface Hardness HRC 58-62
Lubrication Pre-greased (ISO VG32)
Country of Origin Germany / Manufactured to German Standards
Warranty Period 12 Months Limited

5 reviews

A

Anonymous

Mar 21, 2026

Rating: 5/5

Perfect for my CNC retrofit

Smooth motion and very precise. Packaging was secure and no damage during shipping. Highly recommend for hobbyist CNC machines.

A

Anonymous

Mar 16, 2026

Rating: 5/5

Industrial grade performance

Using these on an automation arm in our facility. Zero backlash noticed even under heavy load. Very satisfied with the durability.

A

Anonymous

Feb 21, 2026

Rating: 4/5

Good quality, slight delay

The rails themselves are excellent quality and fit perfectly. Shipping took a bit longer than expected but worth the wait.

A

Anonymous

Jan 31, 2026

Rating: 5/5

Exactly as described

Dimensions matched the spec sheet perfectly. Easy to mount with standard tools. The pre-greasing was adequate for immediate use.

A

Anonymous

Jan 24, 2026

Rating: 4/5

Great value

Comparable to more expensive brands we have used previously. Good finish on the rails and blocks slide smoothly.

5 FAQ

Q: What is the pre-load class for these blocks?

A: Standard pre-load is Z0, with Z1 available on special request. Please contact us for custom pre-load requirements.

Q: Are the mounting holes threaded?

A: Yes, the mounting holes feature standard metric threading according to the specific rail size selected.

Q: Do I need to lubricate immediately upon receipt?

A: They come pre-lubricated from the factory, but regular maintenance lubrication is recommended based on usage intensity.

Q: Are these compatible with Hiwin rails?

A: Dimensions follow industry standards, so they are generally compatible with major brands like Hiwin, though we recommend verifying specific drawings.

Q: Can I cut the rails myself to size?

A: We recommend ordering custom lengths to maintain precision accuracy, as cutting may affect the hardness and straightness.

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