• Skip to main
  • Skip to footer
  • Back to school
  • Patio
  • Electronics
  • Clothing
  • Toys
  • Furniture
Walmart Canada - Save money. Live better.Shop grocery
Store finder
Sign in
My account

LMK12UU Extra Long Square Flange Linear Ball Bearings, 12mm Bore Dia, 21mm OD




  • Uxcell provides LMFUU series Square Flange Linear Ball Bearing with seals on both side to prevent ingress of dirt, water and foreign matter.
  • Linear Motion Bearing (also called Ball Bushing or Shaft Guiding) is a rolling friction supporting element that usually used for linear motion mechanical parts with small friction.
  • Coordinate with Linear Motion Shaft, recirculating balls provide unlimited stroke at low friction movement, permit temperature within 80 degree Celsius.
  • It is great for 3D printer, CNC, and other applications.



  • Bearing No.: LMK12UU
  • Bearing Ball Meterial: Chromium Steel
  • Outer Shell Meterial: Chromium Steel
  • Cage Meterial: Nylon
  • Nominal Shaft Diamter (dr): 12mm
  • Outer Diameter (D): 21mm
  • Total Length (L): 57mm
  • Mounting Hole Dia.: 4.3 x 7.3mm / 0.17 x 0.29inch (d1*d2);
  • Pitch Circle Dia. (PCD): 32mm / 1.26inch
  • Flange Size: 33 x 33 x 6mm / 1.3 x 1.3 x 0.24inch (L*W*H)
  • Ball Circuit: 4
  • Static Load Capacity (Cor): 1.2kN
  • Dynamic Load Capacity (Cr): 0.657kN
  • Number of Pack: 1 Pcs
Skip product carousel

From the manufacturer


Unique Bargains
Product Identifiers
Model #

Return policy

If you buy something online but it's not everything you dreamed it to be, no worries! We're here for you.
Return policy
You can return this item within 90 days from the day you receive your online order.

There are two easy ways to return this item:
  • Return this item to a Walmart store
  • Return this item by mail
  • Loading ...
    Loading ...

    Find in-store

    Where can you get it?
    Is it available?
    What is the price in-store?
    Please note, this item is only sold online.

    Ratings & reviews

    Questions & answers