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Home / Bearings & Bushings / SBR Linear Rail Kit with Aluminum Support, Chrome-Plated Hardened Shaft, and Linear Motion Bearing Blocks

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Aluminum Alloy Base with Chrome Plated Steel Rod
Rail Diameter 12mm
Rail Length 500mm
Bearing Model SBR12UU
Surface Hardness HRC 50-60
Accuracy Grade Normal Class
Dynamic Load Capacity 500N
Static Load Capacity 1000N
Package Quantity 2 Rails and 4 Bearings
Recommended Use CNC Routers and 3D Printers

5 reviews

A

Anonymous

Mar 20, 2026

Rating: 5/5

Excellent Quality

These rails are very straight and the bearings slide smoothly. Great addition to my workshop.

A

Anonymous

Feb 23, 2026

Rating: 4/5

Solid Performance

Good value for money. Bearings fit snugly on the rails without binding.

A

Anonymous

Feb 03, 2026

Rating: 5/5

Fast Shipping

Product arrived well packaged and undamaged. Ready to install immediately.

A

Anonymous

Feb 01, 2026

Rating: 5/5

Sturdy Mounts

The aluminum base is rigid and easy to bolt down. No flex under load.

A

Anonymous

Jan 24, 2026

Rating: 4/5

Good for Hobbyists

Works well for my small CNC project. Slight noise at high speed but overall satisfied.

5 FAQ

Q: Is the shaft hollow or solid?

A: The chrome plated shafts are solid steel for maximum rigidity.

Q: What lubricant do you recommend for these rails?

A: Standard machine oil or light grease works best for long-term performance.

Q: Are end supports included in this kit?

A: No, this kit includes rails and sliders only. Supports are sold separately.

Q: What is the tolerance on the diameter?

A: Standard g6 tolerance is used for a smooth bearing fit.

Q: Can I cut the rails to size?

A: Yes, but ensure cuts are straight to maintain accuracy and bearing fit.

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