Shopping Cart

Your cart is empty.

Your cart is empty.

uxcell LM12UU Round Flange Linear Ball Bearings, 12mm Bore Dia, 21mm OD, 30mm Length (Pack of 2)

Free shipping on orders over $29.99

$12.80

$ 6 .99 $6.99

In Stock

1.Size:10mm


About this item

  • Model: LM12UU (Nominal Shaft Diamter (dr): 12mm, Outer Diameter (D): 21mm, Total Length (L): 30mm)
  • Round Flange Linear Motion Ball Bearing Bushing Sealed on Both Side
  • Chromium Steel shell and bearing ball, good abrasion resistance, high precision and good strength
  • Smooth moving, low friction, high rigidity and long working life
  • Suitalbe for kinds of electronic equipment/guide bar, and pillar



Product Description

1

  • Linear motion bearings provide freedom of movement in a single direction.
  • Often used in conjunction with cylindrical shaft or rail.
  • The steel ball is in point contact with the shaft and rotates with very little frictional resistance, so as to obtain smooth movement with high precision.
1

Linear Ball Bearing Motion Slide Units

  1. Grease may be applied prior to use to improve smoothness.
  2. Maintain lubrication of optical shafts and guides during operation.
  3. The recommended load is 80% of the rated load, exceeding the rated load will affect fluidity.
  4. The table needs to be level during installation, otherwise it will interfere with installation calibration.
  5. Require regular cleaning and maintenance.

1
Linear Motion Bearing

X-Y tables, linear stages, machine slides and other advanced slides use linear motion bearings to provide movement along both X and Y multiple axis.

Applications

  • Replacement of parts of the 3D printer rail unit.
  • Replacement of common machine tool guideway components.
  • Laser (engraving machine) rail set-up and parts replacement
  • Construction and replacement of small planing machine tables, carriers, rails and parts.
  • Mechanical Slides
  • 2-axis, 3-axis Benches
  • Linear Stages
Customer Reviews
3.5 out of 5 stars 11
4.0 out of 5 stars 180
1.0 out of 5 stars 1
4.0 out of 5 stars 54
4.1 out of 5 stars 69
4.2 out of 5 stars 21
Quantity 2pcs 4pcs 1piece 2pcs 4pcs 4pcs
Customer Reviews
3.9 out of 5 stars 49
4.3 out of 5 stars 71
4.0 out of 5 stars 39
3.9 out of 5 stars 34
4.3 out of 5 stars 3
5.0 out of 5 stars 4
Quantity 2pcs 2pcs 2pcs 2pcs 2pcs 2pcs
Customer Reviews
3.6 out of 5 stars 21
4.4 out of 5 stars 80
4.2 out of 5 stars 16
4.6 out of 5 stars 12
3.2 out of 5 stars 4
Quantity 2pcs 4pcs 1piece 2pcs 1piece 2pcs

DrFrog
2025-06-19 14:25:41
Great deal smooth
Quinto Rapacioli
2025-06-11 16:21:24
Pure garbage, I inserted an rod that barely fit and it the bearing are actually scoring the rod instead of turning.
jpsamson
2025-04-20 19:09:44
je ne veux plus évaluer tout ce j'achète c'est une perte de temps.
Matt b.
2025-01-06 14:24:25
Product was damaged when arrived. Package was in fine condition. Having to go through the return process is not fun and sets us back lol
Recommended Products

$18.99

$ 8 .99 $8.99

5.0
Select Option

$11.97

$ 5 .99 $5.99

4.4
Select Option