Product Description

The LM12UU Linear Ball Bearing is a high-performance linear motion bearing designed to provide smooth, accurate, and low-friction movement on 12 mm hardened linear shafts. Manufactured with high-quality bearing steel and precision-engineered ball circuits, it ensures reliable linear motion, reduced wear, and long service life even under continuous operation.

Ideal for industrial automation, paper product manufacturing machinery, packaging equipment, robotics, and material handling systems, the LM12UU bearing delivers excellent load distribution, high accuracy, and quiet performance. It is widely used in automatic disposable paper product machines including paper cup, paper bowl, paper plate, paper straw, and paper bag making machines.

Whether you are replacing an existing bearing or building a new linear motion system, the LM12UU offers dependable performance for demanding industrial applications.

Key Features

High-precision LM12UU linear ball bearing
Smooth and low-friction linear motion
Fits standard 12 mm linear guide shafts
Hardened bearing steel construction
High load carrying capacity
Low noise and vibration during operation
Excellent wear and corrosion resistance
Long operational life with proper lubrication
Easy installation and replacement
Suitable for continuous industrial operation
Compact and lightweight design
Ideal for automation and motion control systems

Technical Specifications

Specification	Details
Product Name	LM12UU Linear Ball Bearing
Bearing Type	Linear Motion Ball Bearing
Model	LM12UU
Inner Diameter (ID)	12 mm
Outer Diameter (OD)	21 mm
Length (Width)	37 mm
Shaft Compatibility	12 mm Linear Shaft
Material	High Carbon Bearing Steel
Ball Material	Hardened Steel Balls
Cage Material	Steel / Polymer Retainer
Motion Type	Linear Motion
Lubrication	Grease/Oil Lubricated
Corrosion Resistance	Yes
Installation	Press Fit
Operating Performance	Low Noise, Low Friction
Application	Linear Motion Systems & Industrial Machines

Applications

The LM12UU Linear Ball Bearing is suitable for:

Disposable Paper Product Manufacturing

Paper Cup Making Machines
Ripple Cup Making Machines
Double Wall Paper Cup Machines
Paper Bowl Making Machines
Paper Plate Making Machines
Paper Lid Making Machines
Paper Straw Making Machines
Paper Bag Making Machines
Paper Cone Making Machines
Paper Sleeve Making Machines
Paper Food Box Making Machines
Paper Container Forming Machines
Disposable Glass Making Machines
Disposable Food Container Machines
Disposable Lunch Box Making Machines
Disposable Tray Making Machines

Paper Converting Machines

Tissue Paper Making Machines
Automatic Paper Napkin Machines
Butter Paper Rewinding Machines
Slitting Machines
Rewinding Machines
Flexographic Printing Machines

Packaging & Material Handling

Automatic Packaging Machines
Food Packaging Machines
Disposable Container Packaging Machines
Labeling Machines
Filling Machines
Conveyor Systems
Material Handling Equipment

Industrial Automation

Industrial Automation Machines
Robotics
Pick and Place Machines
CNC Automation
Automatic Manufacturing Equipment
Motion Control Systems
Linear Guide Assemblies
Production Lines
General Linear Motion Applications

Package Includes

1 × LM12UU Linear Ball Bearing (12 mm × 21 mm × 37 mm)

Why Choose This Product?

Precision engineered for smooth linear movement
Durable hardened steel construction
High load capacity with excellent accuracy
Low maintenance and long service life
Reliable performance in continuous industrial use
Ideal replacement for worn-out linear bearings
Compatible with standard 12 mm linear shafts
Widely used across automation and manufacturing industries
Excellent value for industrial and OEM applications

12mm Linear Bearing

LM12UU Linear Ball Bearing | Inner Diameter 12 mm | Outer Diameter 21 mm | Width 37 mm