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Home / Bearings & Bushings / Round Flange Maintenance-Free Linear Bearing J-J1-LMF 10 12 16 20 25 30 35 40 Aluminum Plastic UU

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Model Series J-J1-LMF
Material Composition Aluminum Alloy & Engineering Plastic
Flange Shape Round Flange
Maintenance Type Maintenance-Free
Seal Designation UU (Double Seal)
Shaft Diameter Options 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm
Operating Temperature -20°C to 80°C
Typical Applications CNC Machines, 3D Printers, Automation Equipment
Load Capacity Dynamic Load (Varies by Size)
Package Content 1 x Linear Bearing Unit

5 reviews

A

Anonymous

Apr 19, 2026

Rating: 4/5

Good value bulk pack

Ordered multiple sizes. One had a minor scratch on the flange but it does not affect performance.

A

Anonymous

Apr 01, 2026

Rating: 5/5

Reliable industrial component

Used in a small automation arm. Holds up well under continuous cycle testing.

A

Anonymous

Mar 17, 2026

Rating: 5/5

Perfect fit for 3D printer

Quiet and easy to install. Upgraded my old bushings and the noise reduction is noticeable.

A

Anonymous

Mar 09, 2026

Rating: 5/5

Great for CNC router

Smooth operation on my X-axis. The round flange made mounting very straightforward compared to square blocks.

A

Anonymous

Feb 17, 2026

Rating: 5/5

Fast shipping and secure

Packaging prevented damage during transit. Exactly as described in the specifications.

5 FAQ

Q: Is the flange removable for custom mounting?

A: No, the round flange is an integrated part of the bearing housing design.

Q: Does this bearing need regular grease lubrication?

A: No, this is a maintenance-free model designed to operate without additional lubrication.

Q: What shaft tolerance is required for optimal performance?

A: We recommend using a hardened steel shaft with h6 tolerance for best results.

Q: What is the typical lead time for shipping?

A: Orders are usually processed and shipped within 24 hours on business days.

Q: Can I use this with stainless steel shafts?

A: Yes, it is compatible, but hardened steel shafts are preferred for longevity.

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