Ball Bearing Cncs 20 of 2025
Best Choice1
AopinAopin SCS20UU Linear Ball Bearing Aluminum Slide Block, ID 20mm Linear Motion Ball Bearings CNC Slide Bushing, 4 Rows of Steel Balls, Great for CNC, 3D Printer, Linear Rail Guide 4 PCS
Main highlights- What Will You Get?: 4 Pcs SCS20UU 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.
- Linear Motion Ball Bearing Model: SCS20UU, Inner Diameter (ID): 20mm / 0.79", Total Length (L): 50mm / 1.97".
- 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: The Aluminum Alloy On The Outside 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. The Steel Ball Inside Is Made Of Bearing Steel, And The Four Rows Of The Steel Ball Rotate To Form a Complete Closed Loop. Dynamic Load Rating (C): 882 N, Static Load Rating (Co): 1370 N.
- 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.
9.9Exceptional
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Value for Money2
CoavooCoavoo SBR20LUU Bearing Blocks, 2Pcs 20mm Open Long Sliding Ball Bearing Block for SBR20 Linear Motion Shaft Guides Slide Rails as CNC Linear Rail Kit
Main highlights- Upgraded design, slider blocks with pressure plate, better locking the bearing balls, more stable and durable
- The screws holes on the bearing sliding block is M6 x 12mm. Besides this kind of long bearing slider block, we have 4 other kinds of, you can see the pic
- SBR20 LUU blocks with 20mm linear bearing rails can be used as linear bearing and rail kits for linear motion
- Easy assembly, high precision, super smooth sliding, silent operation
- 2 Pack 20mm 0.79inch SBR20 LUU ball long bearings sliding blocks, made of aluminum alloy and bearing steel, heavy duty and sturdy
9.8Exceptional
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3
HIPICCOHiPicco Linear Ball Bearings, LMF20LUU 20mm Extra Long Round Flange Linear Motion Bushing Double Side Rubber Sealed for 20mm Linear Shaft CNC Machine 3D Printer 2 Pack
Main highlights- USAGE：Linear bearings are part of linear motion systems, often used in conjunction with cylindrical shafts or guideways
- SIZE：Model: LM20FLUU, Bore Diamter (dr): 20mm, Outer Diameter (D): 32mm, Total Length (L): 80mm, Flange Base(D):54mm
- FEATURES:These Chromium Steel linear bearings with Nickel-Plated surface treatment can operate under corrosive or high-temperature conditions.
- DOBLE SEALED DESIGN: The Slide Bearing are double sealed, so as to avoid contaminants entering and save lubricant; Static Load Capacity (Cor): 1400N, Dynamic Load Capacity (Cr): 2750N.
- APPLICATIONS: Mechanical slides, 2-axis and 3-axis tables, linear tables, 3D printers, drive shaft, guide bar, drive shaft,pillar,CNC machines, electronic equipment, food machinery, packaging machinery, etc.
9.7Exceptional
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4
HIPICCOHiPicco Linear Ball Bearings, LM20LUU 20mm Bore Longer Linear Motion Bushing Double Side Rubber Sealed Rod Liner Shaft Parts for CNC Machine 3D Printer 4 Pack
Main highlights- USAGE：Linear bearings are part of linear motion systems, often used in conjunction with cylindrical shafts or guideways
- SIZE：Model: LM20LUU, Bore Diamter (dr): 20mm, Outer Diameter (D): 32mm, Total Length (L): 80mm.
- FEATURES: Nickel plating enhances corrosion resistance and durability. These linear bearings with Nickel-Plated surface treatment can operate under corrosive or high-temperature conditions
- DOUBLE SEALED DESIGN: The Slide Bearing are double sealed, so as to avoid contaminants entering and save lubricant.
- APPLICATIONS: Mechanical slides, 2-axis and 3-axis tables, linear tables, 3D printers, CNC machines, electronic equipment, food machinery, packaging machinery, etc.
9.6Exceptional
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5
CoavooCoavoo SBR20UU Bearing Blocks, 2Pcs 20mm Open Sliding Ball Bearing Block for SBR20 Linear Motion Shaft Guides Slide Rails as CNC Linear Rail Kit
Main highlights- Upgraded design, slider blocks with pressure plate, better locking the bearing balls, more stable and durable
- The screws holes on the bearing sliding block is M6 x 12mm. We are a seller focusing on accessories, products and solutions in the field of transmission. If you have customized and mass demand, please contact us and we will give you one more choice
- SBR20 UU blocks with 20mm linear bearing rails can be used as linear bearing and rail kits for linear motion
- Easy assembly, high precision, super smooth sliding, silent operation
- 2 Pack 20mm 0.79inch SBR20 UU ball bearings sliding blocks, made of aluminum alloy and bearing steel, heavy duty and sturdy
9.3Excellent
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6
VktechVktech 4 Pcs SC20UU 20mm Aluminum Linear Motion Ball Bearing Slide Bushing for CNC
Main highlights- Used for the design of linear motion products
- Shaft diameter: 20mm
- Model: SC20UU
- Made from aluminum material
- Dimension: Approx. 50×54×41mm(L×W×H)
9.2Excellent
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7
HIPICCOHiPicco Linear Ball Bearings, LMK20LUU 20mm Square Flange Linear Motion Bushing Double Side Rubber Sealed for 20mm Linear Shaft CNC Machine 3D Printer 4 Pack
Main highlights- USAGE：Linear bearings are part of linear motion systems, often used in conjunction with cylindrical shafts or guideways
- SIZE：Model: LMK20LUU, Bore Diamter (dr): 20mm, Outer Diameter (D): 32mm, Total Length (L): 80mm, Flange Base(L*W):42mm*42mm
- FEATURES:These Chromium Steel linear bearings with Nickel-Plated surface treatment can operate under corrosive or high-temperature conditions.
- DOBLE SEALED DESIGN: The Slide Bearing are double sealed, so as to avoid contaminants entering and save lubricant; Static Load Capacity (Cor): 2640N, Dynamic Load Capacity (Cr): 1330N
- APPLICATIONS: Mechanical slides, 2-axis and 3-axis tables, linear tables, 3D printers, drive shaft, guide bar, drive shaft,pillar,CNC machines, electronic equipment, food machinery, packaging machinery, etc.
9.1Excellent
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8
uxcelluxcell LM20UU Round Flange Linear Ball Bearings, 20mm Bore Dia, 32mm OD, 42mm Length (Pack of 2)
Main highlights- Suitalbe for kinds of electronic equipment/guide bar, and pillar
- Smooth moving, low friction, high rigidity and long working life
- Round Flange Linear Motion Ball Bearing Bushing Sealed on Both Side
- Model: LM20UU (Nominal Shaft Diameter (dr): 20mm, Outer Diameter (D): 32mm, Total Length (L): 42mm)
- Chromium Steel shell and bearing ball, good abrasion resistance, high precision and good strength
9.0Excellent
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9
HIPICCOHiPicco Linear Ball Bearings, LM20UU 20mm Linear Motion Bushing Double Side Rubber Sealed Rod Liner Shaft Parts for CNC Machine 3D Printer 12 Pack
Main highlights- USAGE：Linear bearings are part of linear motion systems, often used in conjunction with cylindrical shafts or guideways
- SIZE：Model: LM20UU, Bore Diamter (dr): 20mm, Outer Diameter (D): 32mm, Total Length (L): 42mm.
- FEATURES: Nickel plating enhances corrosion resistance and durability. These linear bearings with Nickel-Plated surface treatment can operate under corrosive or high-temperature conditions
- DOUBLE SEALED DESIGN: The Slide Bearing are double sealed, so as to avoid contaminants entering and save lubricant.
- APPLICATIONS: Mechanical slides, 2-axis and 3-axis tables, linear tables, 3D printers, CNC machines, electronic equipment, food machinery, packaging machinery, etc.
8.9Very Good
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10
DEEPDREAM4Pcs SCS20UU Linear Motion Ball Bearing Slide Block ID 20mm Aluminum Bushing Linear Rail Support Guide Shaft Bearing for Printer Parts 4 Pack
Main highlights- [Precision Manufacturing]: The high-density aluminum alloy structure makes the slider a strong load-bearing capacity, and surface oxidation treatment, durable and corrosion-resistant.
- [High Performance]: Smooth movement, low friction, high rigidity, easy to maintain and replace.
- Model: SCS20UU, Inner Diameter: 20mm/ 0.79",(For Linear Bearing Slide Bush: LM20UU) Slide Block Size: 54mm x 50mm x 41mm / 2.13" x 1.97" x 1.61" (L*W*H); Mounted Hole Size: M6.
- Easy Installation: The Product is Easy to Install and Suitable for Various Mechanical Equipment and Automation Systems.
- Dynamic Load Rating (C): 882 N, Static Load Rating (Co): 1370 N.Package:4 x Linear Bearing Sliding Blocks
8.8Very Good
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