Skip to main content
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.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Maikeku Commercial Slow Juicer, Large Pulp-Separating Juice Extractor with High Power, Wide Mouth, Fully Automatic for Street Vending

Maikeku Commercial Slow Juicer, Large Pulp-Separating Juice Extractor with High Power, Wide Mouth, Fully Automatic for Street Vending

$7,456.32

Continental CSC5 Tire 245/50R18 104V MO-V for Mercedes-Benz Viano, Vito, V260

Continental CSC5 Tire 245/50R18 104V MO-V for Mercedes-Benz Viano, Vito, V260

$882.00

English Vocabulary Flashcards for Classroom Teaching - Categories Include Weather, Days, Months, Clothing, Home, Seasons, Fruits, Food, and Professions

English Vocabulary Flashcards for Classroom Teaching - Categories Include Weather, Days, Months, Clothing, Home, Seasons, Fruits, Food, and Professions

$8.42

Cabinet Storage Box, Foldable Rattan-Style Basket for Countertop Snacks, Clothes, and Toys

Cabinet Storage Box, Foldable Rattan-Style Basket for Countertop Snacks, Clothes, and Toys

$19.90

Custom PVC Sign Letters, Advertising Signs, Branding Wall Characters, Snowflake Board, Acrylic Crystal Letters for Background Walls

Custom PVC Sign Letters, Advertising Signs, Branding Wall Characters, Snowflake Board, Acrylic Crystal Letters for Background Walls

$5.00

Specialized Vegetable Growing Box - Foam Balcony Planter, Rectangular Plastic Pot for Home Gardening

Specialized Vegetable Growing Box - Foam Balcony Planter, Rectangular Plastic Pot for Home Gardening

$41.70

Fully Protected Smart Battery Tester - Performance Detector for Electric Vehicle and Car Batteries

Fully Protected Smart Battery Tester - Performance Detector for Electric Vehicle and Car Batteries

$286.00

Large-Diameter Steel Corrugated Drainage Pipe for Bridge Culverts

Large-Diameter Steel Corrugated Drainage Pipe for Bridge Culverts

$61.11

Water Curtain Paint Booth - 3-Meter Spray Station with Water Circulation for Paint Mist Purification, Eco-Friendly Dust Removal, 1-Meter Small Water Curtain Cabinet

Water Curtain Paint Booth - 3-Meter Spray Station with Water Circulation for Paint Mist Purification, Eco-Friendly Dust Removal, 1-Meter Small Water Curtain Cabinet

$1,980.00

Portable Cleaning and Storage Box for Elderly Dentures, Compact Case for Full-Set False Teeth Soaking and Storage

Portable Cleaning and Storage Box for Elderly Dentures, Compact Case for Full-Set False Teeth Soaking and Storage

$32.22

RC Model A07 PNP FPV Analog/Digital Racing Drone 7-Inch Aerial Photography Quadcopter Frame

RC Model A07 PNP FPV Analog/Digital Racing Drone 7-Inch Aerial Photography Quadcopter Frame

$1,643.00

ACCSOON SeeMo Monitor Converter for iPhone and iPad, Real-Time Monitoring and Live Streaming

ACCSOON SeeMo Monitor Converter for iPhone and iPad, Real-Time Monitoring and Live Streaming

$1,059.00

Solenoid Valve Initial Inspection Test Bench / Solenoid Valve Leakage Test Bench / Solenoid Valve Airtightness Test Bench

Solenoid Valve Initial Inspection Test Bench / Solenoid Valve Leakage Test Bench / Solenoid Valve Airtightness Test Bench

$7,482.00

Factory Direct Hardware Screw and Parts Automatic Weighing and Packaging Machine, Vertical Weighing and Packing Equipment

Factory Direct Hardware Screw and Parts Automatic Weighing and Packaging Machine, Vertical Weighing and Packing Equipment

$36,860.00

Commercial Heated Beverage Cabinet, Small Countertop Display Warmer with Constant Temperature for Supermarkets

Commercial Heated Beverage Cabinet, Small Countertop Display Warmer with Constant Temperature for Supermarkets

$1,099.00

Manufacturer Supply Standard Dual-Color Film Copy Paper Ink Water-Based Ink Gravure Printing Machine

Manufacturer Supply Standard Dual-Color Film Copy Paper Ink Water-Based Ink Gravure Printing Machine

$17,500.00

Gray Surface Pen for Sketching and Quick Drawing - Art Highlight Sketch Paper Blending Stump and Sponge Eraser Tool Set for Still Life, Geometry, and Portraits, Designed for Art Students and Exam Candidates, Complete Beginner Kit

Gray Surface Pen for Sketching and Quick Drawing - Art Highlight Sketch Paper Blending Stump and Sponge Eraser Tool Set for Still Life, Geometry, and Portraits, Designed for Art Students and Exam Candidates, Complete Beginner Kit

$6.80

Extra-Large Denture Storage Box for Seniors, Food-Grade Portable Cleaning and Soaking Container for Full Dentures

Extra-Large Denture Storage Box for Seniors, Food-Grade Portable Cleaning and Soaking Container for Full Dentures

$29.90

[Sheet Music Collection for Teachers] Continuously Updated – HD, No Watermark, Includes Tutorial Videos

[Sheet Music Collection for Teachers] Continuously Updated – HD, No Watermark, Includes Tutorial Videos

$49.90

Orthodontic Retainer Case for Invisible Braces, Portable Storage and Cleaning Box for Teeth Aligners and Dentures

Orthodontic Retainer Case for Invisible Braces, Portable Storage and Cleaning Box for Teeth Aligners and Dentures

$23.10

Portable Retainer Case for Braces, Orthodontic Clear Aligner Storage Box with Chewie and Removal Tool

Portable Retainer Case for Braces, Orthodontic Clear Aligner Storage Box with Chewie and Removal Tool

$3.98

Freestanding Multi-Tier Toilet Storage Rack for Bathroom, Laundry, and Balcony Organization

Freestanding Multi-Tier Toilet Storage Rack for Bathroom, Laundry, and Balcony Organization

$174.00

Biliansheng Hair Transplant and Care - Herbal Hair Nourishment Treatment Package

Biliansheng Hair Transplant and Care - Herbal Hair Nourishment Treatment Package

$480.00

Traditional Wooden Rattle Drum with Sheepskin Head for Babies - Chewable Handheld Toy with Fortune Zodiac Design

Traditional Wooden Rattle Drum with Sheepskin Head for Babies - Chewable Handheld Toy with Fortune Zodiac Design

$11.90

2026 Spring New FLTRP Grade 3 English Vocabulary & Sentence Flashcards for Classroom Teaching

2026 Spring New FLTRP Grade 3 English Vocabulary & Sentence Flashcards for Classroom Teaching

$8.42

Custom Signs and Labels New Version No Smoking Material Signs Five Boards One Diagram Fire Safety Instructions PVC Acrylic Number Plate

Custom Signs and Labels New Version No Smoking Material Signs Five Boards One Diagram Fire Safety Instructions PVC Acrylic Number Plate

$2.00

Water Brush Pen Set with Large Capacity, Gouache and Solid Watercolor Paints, Drawing Tools for Students and Beginners

Water Brush Pen Set with Large Capacity, Gouache and Solid Watercolor Paints, Drawing Tools for Students and Beginners

$32.00

Chineng Commercial Automatic Small Scallion Chopper, Multi-function Vegetable Cutter for Chili Slicing and Filling Preparation in Cafeterias

Chineng Commercial Automatic Small Scallion Chopper, Multi-function Vegetable Cutter for Chili Slicing and Filling Preparation in Cafeterias

$16,200.00

G80 Lifting Chain with Hook Head, Manganese Steel Alloy Chain for Hoisting Stones and Towing

G80 Lifting Chain with Hook Head, Manganese Steel Alloy Chain for Hoisting Stones and Towing

$79.00

Car Interior Button Frame and Window Switch Chrome Panel, New Energy Vehicle ABS Parts with Hot Melt Welding and Injection Molding

Car Interior Button Frame and Window Switch Chrome Panel, New Energy Vehicle ABS Parts with Hot Melt Welding and Injection Molding

$96.00