Best Keenso Linear Bearings in 2026

The material is carbon steel, which is very suitable for linear motion rod.

The surface has been chrome plated to enhance the hardness.

Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it.

Single-row bearing for supporting radial loads

Shields on both sides of the bearing to keep lubricant in and contaminants out

Carbon steel for durability and resistance to deformity under heavy loads

Model: LM8LUU Bore Diamter (dr): 8mm, Outer Diameter (D): 15mm, Total Length (L): 45mm)

It is generally used on 3D printers and CNC machines. These bearings have proven to be long lasting and provide precise low friction linear movement.

Used for the design of linear motion products it can cooperate with linear bearing to ensure excellent sports performance under high load or long stroke occasions.

Cooperate with open linear bearing to ensure excellent sports performance

The external material :Aluminum Alloy

100% Brand new and high quality

COMPATIBLE: This Slide Block is fit for SBR12 12mm Linear Guide Rail

EASY TO INSTALL: With pre-drilled holes for ease of mounting. Easy to install, no need for maintenance.

HIGH-QUALITY STEEL MATERIAL: Slide Block are made of carbon steel, linear Bearings made of quality bearing steel with aluminum alloy housing. Surface chrome plating treatment beautiful anti-rust, high hardness, more durable.

Wire pulley groove,Wide application.These are specialized bearings that are used in many linear motion systems such as 3D printer, quadcopter or ship model, package with 20 pcs in package, you can keep them for spare or just substitutes for those old ones

This item is ordinary precision, adaptation to low speed, low load applications.

Wide applications in many fields: industrial machines, cars, ships, household appliances, health care system, motors, mine, petroleum, petroleum, alchemy, papermaking, agriculture, cranes, etc

Model: LM8UU, Bore Diamter (dr): 8mm, Outer Diameter (D): 15mm, Total Length (L): 24mm.

It is generally used on 3D printers and CNC machines. These bearings have proven to be long lasting and provide precise low friction linear movement.

Used for the design of linear motion products it can cooperate with linear bearing to ensure excellent sports performance under high load or long stroke occasions.

[SIZE] - Model: LM25UU, 25x40x59mm Metric Double Seal Linear Bearing

[USAGE] - Linear bearings are part of linear motion systems, often used in conjunction with cylindrical shafts or guideways.

[FEATURES] - These ball bearing with two rubber dust sealed to prevent ingress of dirt, water and foreign matter

Model: LM8UU (Nominal Shaft Diamter (dr): 8mm, Outer Diameter (D): 15mm, Total Length (L): 45mm)

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

Model: SCS8UU (Bearing No.: LMF8UU, Nominal Shaft Diamter (dr): 8mm)

Aluminium Alloy Linear Ball Bearing Slide Block Units

Light-weight housing and Chromium Steel bearing ball, good abrasion resistance, high precision and good strength

Lead Screw are widely used for machine tools, like 3D printing

Shaft Optical Axis suitable for kinds of electronic equipment/guide bar, drive shaft, pillar

Bearing Pillow Block have a certain bearing capacity, can hold in ordinary precision rack, strong adaptability, and widely applied

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

👍Package Content:4Pcs SCS12UU Linear Bearing Sliding Blocks.Inner Diameter:12mm/0.47".Total Size:41mm*28mm*30mm/1.61"*1.10"*1.18"(L*W*H).Mounted Hole Size:M5.

👍Made of aluminum alloy and linear bearing,rustproof and long service life.

👍It can cooperate with linear bearing to ensure excellent sports performance under high load or long stroke occasions.

Model: LMK10UU (Nominal Shaft Diamter (dr): 10mm, Outer Diameter (D): 19mm, Total Length (L): 55mm)

Square Flange Linear Motion Ball Bearing Bushing Sealed on Both Side

Chromium Steel shell and bearing ball, good abrasion resistance, high precision and good strength

Made from aluminum material

Model: SC20UU

Shaft diameter: 20mm

❤Cylinder Linear Motion Ball Bearing Model: LM25UU, Inner Diameter (ID): 25mm / 0.98", Outer Diameter (OD): 40mm / 1.57", Total Length (L): 59mm / 2.32".

❤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.

★★★★★ SK20 Aluminum Linear Motion Rail is made of Aluminum material, corrosion resistance and long life;

★★★★★ Low friction resistance can get high precision rotating in the smooth movement;

★★★★★ Economical, easy to maintain replace;

Due to negligence of our packaging staff, if you receive goods missing parts, please contact us, we can give priority to re-delivery or refund for you.

Suitalbe for kinds of electronic equipment/guide bar, drive shaft.

Smooth moving, low friction, high rigidity and long working life.

Inner diamter: 16mm ( LM16UUOP)

Material:Aluminium Alloy & Ball Bearing Steel

Quantity:4pcs

Easy Installation & Replacement

Widely applied to electronic equipment

Inner Diameter: 8mm/ 0.315 inch

[Double Sealed]: These v groove bearings are double shielded to avoid contaminants entering and save lubricant.

[Premium Material]: These v groove pulley bearings are made of high quality Carbon Steel, durable to use

[Dimension]: The v groove bearings is designed with 1.5mm deep V groove that generally ride on a rail or track

20mm 0.79inch SBR20 UU ball bearings sliding blocks, made of aluminum alloy and bearing steel, heavy duty and sturdy

High Quality - With excellent motion ball, it moves smoothly with low friction. You can use it for a long time.

Size - Shaft diameter: 20mm. Overall size: 1.9” x 2” x 1.5”

★IMPROVE EFFICIENCY AND SAVE ENERGY in your devices.

★GREAT FOR YOU to replace the damaged Ball Bearings

★SMOOTH MOVING,low friction,high rigidity and long life.

Table size: 90*90mm (3.54inch). R Axis: Diameter=90mm;

Moving direction: X,Y, Z,R Axis, Load: 29.4N(3kgf);

Travel: XY:±12.5mm , Z: ±10mm , R Axis:360° (±5° fine tuning);

2Pcs x SCS10UU

SCS10UU, ID: 10mm / 0.39 inch, L: 35mm / 1.38 inch

Material：Aluminium Alloy Linear Ball Bearing Slide Block Units

Size - Bore Diameter: 8mm, Outside Diameter: 10mm, Total Length: 7mm, Flange Diameter: 15mm, Flange Thickness: 1mm

Material - Made of POM material, which is self-lubricating and does not require oiling. They have good load capacity and wear resistance.

Function - Also known as plain bearings or bushings. They are mainly used to guide or reduce friction in linear applications.

Model: SHF16. Fits for 16mm Diameter Shaft

These lightweight shaft supports are easy installing and quick aligning

Suitable for kinds of electronic equipment/guide bar, and pillar

¡¾ High Performance ¡¿ 100% brand new and high quality linear bearing block, smooth moving, low friction, high rigidity and long life

¡¾ Wide Application ¡¿ SBR16UU linear bearing slide, fit for high speed mute high precision equipment

¡¾ High Hardness Aluminum Alloy ¡¿ This open linear bearing block made of aluminum alloy, high hardness, stronger bearing capacity

SIZE：Model: LMK6UU, Bore Diamter (dr): 6mm, Outer Diameter (D): 12mm, Total Length (L): 19mm, Flange Base(L*W):22mm*22mm

DOBLE SEALED DESIGN: The Slide Bearing are double sealed, so as to avoid contaminants entering and save lubricant; ,

USAGE：Linear bearings are part of linear motion systems, often used in conjunction with cylindrical shafts or guideways

High Quality: Made of professional aluminum material for rails, it has super wear and corrosion resistance and stable chemical properties for long time use.

Feature: Strong rigidity, small friction coefficient, can support smooth sliding.

Model: SCS12LUU, Nominal Shaft Diamter (dr): 12mm