Best Linear Motion Ball Splines in 2026
Daisy
Last Updated: Feb 6, 2026
Daisy
Last Updated: Feb 6, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Kuku Tech | 7.38 | ✅ | ✅ | ✅ |
Cooperate with open linear bearing to ensure excellent sports performance
The external material :Aluminum Alloy
100% Brand new and high quality
Supports performance under high load or long stroke
Smooth moving,low friction,high performance and long life
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| uxcell | 9.95 | ✅ | ✅ | ✅ |
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
Smooth moving, low friction, high rigidity and long working life
Suitalbe for kinds of electronic equipment/guide bar, and pillar
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Saidien | 9.87 | ✅ | ✅ | ✅ |
👍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.
👍Widely used in 3d printer, electronic equipment, food machinery, packaging machinery.
👍Used for the design of linear motion products.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Aopin-US | 8.32 | ❌ | ❌ | ❌ |
❤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.
❤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. 6 Rows Of Steel Balls Go Round And Round, Forming a Complete Closed Loop. Dynamic Load Rating (C): 980 N, Static Load Rating (Co): 1570 N.
❤What Will You Get?: 4 Pcs LM25UU 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CNBTR (FBM Arrive in 20-25 days ,FBA 2-3days ) | 9.81 | ✅ | ✅ | ✅ |
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.
they are good abrasion resistance, not easy to rust, high precision and good strength.
Widely used for digital 3D coordinate measuring equipment such as precision equipment or special machinery industry
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Taume | 5.98 | ❌ | ❌ | ❌ |
Dimension: 12x500mm(0.47x19.68in) linear rail motion shaft guide set
The linear rail made of good quality steel and aluminum alloy It can move smoothly without deflection minimal wear and low noise
The linear rail kit adopts Appearance oxidation treatment, Glossy Appearance allows bearing block to move quickly with less friction, beautiful and rust-proof.
Package Content: 2Pcs Linear Shaft Optical Axis 12x500mm + 4Pcs Linear Rail Shaft Guide Support + 4Pcs SC12UU Linear Motion Ball Bearing Slide Bushing
Widely used for digital 3D coordinate measuring equipment such as precision equipment or special machinery industry
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| qinhansheng | 7.86 | ✅ | ✅ | ✅ |
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”
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Top Wow | 6.05 | ✅ | ✅ | ✅ |
★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.
★ECONOMICAL,easy to maintain replace.
★WIDELY USED in home appliances,industrial,low noise and high speed electric motors,construction machinery, automotive components,pumps,and machinery.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Qshave | 9.84 | ✅ | ✅ | ✅ |
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
Application: Widely used in printing machinery, electronic equipment,woodworking machinery, door and window machinery, packaging machinery, medical ,machinery and other equipment.
100% Satisfied Service: Enjoy a smooth&worry-free return service within a month; any questions feel free to contact us, we will be here for you.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| FKG Auto Parts | 9.85 | ✅ | ✅ | ✅ |
Quantity: 2Pcs SCS12UU Linear Ball Bearing Slide Block
Size: FKG SCS12UU Linear Ball Bearing Bore Diamter (dr): 12mm
Quality: FKG Linear ball bearings are made of high quality bearing steel
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Aopin-US | 8.32 | ✅ | ✅ | ✅ |
❤Cylinder Linear Motion Ball Bearing Model: LM3UU, Inner Diameter (ID): 3mm / 0.12", Outer Diameter (OD): 7mm / 0.28", Total Length (L): 10mm / 0.39".
❤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): 88.2N, Static Load Rating (Co): 108N.
❤What Will You Get?: 2 Pcs LM3UU 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HiPicco | 6.69 | ✅ | ✅ | ✅ |
Model: SCS16UU, Inner Diameter: 16mm/ 0.63",(For Linear Bearing Slide Bush: LM16UU)
Slide Block Size: 50mm x 44mm x 38.5mm / 1.97" x 1.73" x 1.52" (L*W*H); Mounted Hole Size: M5.
Material: The body is made from aluminum alloy and Chromium steel bearing ball.
Feature: Smooth moving, low friction, high rigidity, and long life. Economical, easy to maintain and replace.
Application: Mainly used in guide bars, pillars, stepper motors, machine tool rails, 3D printers,CNC and electronic equipment.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Aopin | 2 |
| 1 | |
| Chuangneng | 1 |
| Cnbtr | 1 |
| Deepdream | 1 |
| Fkg | 1 |
| Hipicco | 1 |
| Qwork | 1 |
| Rattmmotor | 1 |
| Sydien | 1 |
We've carried out a comprehensive analysis of 360 reviews on linear motion ball splines, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select linear motion ball splines priced around $19.39, with top brands including and deepdream and sydien
Our team of expert editors reviewed these high-quality items and handpicked the top 12 linear motion ball splines for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include qinhansheng and saidien and top wow .
We are dedicated to assisting our users in finding the right bearings Products based on their needs, saving them considerable time when choosing which linear motion ball splines to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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