Description
Price: $16.32
(as of Apr 01, 2026 00:01:49 UTC – Details)
Product description
Precision Steel Ball
The card slots are neatly arranged in 4 rows of steel balls, smooth rolling, stable operation, low friction and low noise.
Carbon Steel Material, Reliable, Durable and Safe
Linear ball bearings are made of durable high carbon steel, high strength / high rigidity / high load / high hardness, beautiful appearance and long service life.
Double Rubber Seal
There are rubber seals on both sides to prevent dust and water from entering. Prevent Contaminants From Entering. Greatly improve the safety and reliability of operation, and avoid the trouble caused by frequent replacement of bearings.
Precision Manufacturing
Using advanced forging technology, heat treatment on the surface, high precision, meeting the requirements of linear motion in various harsh environments.
Linear Ball Bearing Motion Slider Unit
The recommended load is 80% of the rated load. Exceeding the rated load will affect the fluidity.
The workbench must be kept level during installation, otherwise it will interfere with the installation and calibration.
Please carefully wipe the anti-rust oil and seal the lubricant before use.
Please avoid mixing lubricants with different properties.
Linear Motion Bearings Provide Freedom Of Movement In a Single Direction
It can obtain a stable linear motion with high sensitivity and high precision, which is used for the use of linear stroke with cylindrical shaft or guide rail.
Since the load-bearing ball is in point contact with the bearing jacket, the steel ball rolls with the least frictional resistance. Therefore, the linear bearing has low friction and is relatively stable. It does not change with the bearing speed, and can achieve smooth linear motion with high sensitivity and high accuracy.
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4.5 out of 5 stars 4
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Price
$11.07$11.07 $21.23$21.23 $20.39$20.39 $15.99$15.99 $10.18$10.18 $42.15$42.15
Model
LMK8UU LMF12LUU LMF20LUU LM4UU LM6UU SCS20UU
Size
ID 8mm, OD 15mm ID 12mm, OD 21mm ID 20mm, OD 32mm ID 4mm, OD 8mm ID 6mm, OD 12mm ID 20mm
Material
Carbon Steel Carbon Steel Carbon Steel Carbon Steel Carbon Steel Carbon Steel
Quantity
1 Pcs 2 Pcs 1 Pcs 4 Pcs 4 Pcs 4 Pcs
❤Cylinder Linear Motion Ball Bearing Model: LM12UU, Inner Diameter (ID): 12mm / 0.47″, Outer Diameter (OD): 21mm / 0.83″, Total Length (L): 30mm / 1.18″.
❤Application: Linear Bearings Are An Indispensable Part Of Linear Motion Modules, Units Or Components, And Are Usually Used With Cylindrical Shafts Or Guide Rails. It Is Very Suitable For 3D Printers, CNC, Linear Slides, Electronic Equipment, Modules Or Units With Linear Motion.
❤Good Performance: Linear Bearing Adopts Interchangeability And Standardized Design. Compared With Other Products, There Is No Need To Worry About The Trouble Caused By Replacement And Wear. It Has Low Noise, Smooth Movement, Low Friction, High Rigidity And Long Service Life.
❤Bearing Material: Bearing Steel Is Durable, Pre-Lubricated And Easy To Maintain. Both Sides Are Equipped With Contact Seals To Prevent Contaminants From Entering. Provides Precise Low-Friction Linear Motion. 4 Rows Of Steel Balls Go Round And Round, Forming a Complete Closed Loop. Dynamic Load Rating (C): 412 N, Static Load Rating (Co): 598 N.
❤What Will You Get?: 4 Pcs LM12UU Cylinder Linear Motion Ball Bearing. If You Have Any Questions About Your Purchase, Please Feel Free To Contact Us And We Will Do Our Best To Help You.
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