The polyurethane surface provides superior grip and cushioning effect, while the internal precision bearing ensures smooth rolling. The material is oil-resistant, corrosion-resistant, and can operate in temperatures ranging from -30°C to 80°C, with a service life far exceeding ordinary rubber wheels.
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Ball Bearing Steel Bearing MR85ZZ Double shielded Miniature Ball Bearings 5x8x2.5mm for 3D Printer Model Making Bearing
Aliexpress UK
Nylon Pulley Wheel With Ball Bearing U/V/H Groove Various Bearing Size to choose.
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Ball Bearing Bearing MR63ZZ Double shielded Miniature Ball Bearings 3x6x2.5mm for 3D Printer Model Making Steel Bearing
Aliexpress UK
8mm Bore 8mm 30mm 25.7mm 15.6mm 8.5mm 2.2mm. M8 28mm screws are suitable for U-grooved 8mm bore bearing, need to use M4 hexagon spanner to fasten. M5 18mm screws are suitable for U-grooved 5mm bore bearings, use M2.5 hexagonal spanner to tighten.
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11T 13T Aluminum Guide Wheel Rear Derailleur Pulley Metal Bearing Guide Part Pulley Bearing MTB Cycling Accessory
Aliexpress UK
Housing Material: PU(Polyurethane). Type: Deep Groove Ball Bearing. 03:Practical performance, the product has strong wear resistance, corrosion, high bearing, very good mute effect. Performance: Higher speed and lower noise.
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MEROCA Mountain bike road bike 11T 13T aluminum Jockey Wheel Rear Derailleur Pulley metal bearing guide pulley bearing
Aliexpress UK
35mm nylon pulley wheel with bearing. As a synthetic fibre, Nylon 6 is generally white but can be dyed to in a solution bath prior to production for different colour results. Its tenacity is between 6 and 8.5 gm/den with a density of 1.14 gm/cc.
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2Pcs Bike Rear Derailleur Pulley Wheels 12T+16T Pottery Ball Bear Bearing For Sram Bicycle Rear Derailleur Guide Wheel Accessory
Aliexpress UK
50mm Double Flange Nylon Pulley Wheel (idler wheel). 50MM SQUARE FLAT NYLON PULLEY WHEEL WITH BEARING. As a synthetic fiber, Nylon 6 is generally white but can be dyed to in a solution bath prior to production for different color results.
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6001RS /6002RS Auxiliary Wheel Ball Bearings for Xiaomi M365 Pro 1S Electric Scooter Motor Bearing Rear Wheel Hub Ball Bearings
Aliexpress UK
These miniature pulley bearings are widely used in industrial machinery, automobiles, ships, household appliances, healthcare systems, electric motors, and more. Great for 3D printers, aluminum doors and windows, sliding barn doors, drawers, and custom machinery projects, these bearings provide smooth linear motion guidance.Specification:Color: SilverMaterial: Aluminium AlloyWidth: 4mm / 0.16 inchWheel Diameter: 13mm / 0.51 inchInner Diameter: 4mm / 0.16 inchGroove Width: 2.2mm / 0.09 inchPacking List: 12Pcs x Small U Groove PulleysAdvantage:Crafted from good-quality carbon steel, these U bearings offer exceptional durability and long service life. The deep U groove ensures stable tracking on rails, while the sealed design protects lubricant and enhances bearing performance for low-maintenance, long-lasting operation.
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40mm Ball Bearing 4PCS Headset Caged Ball Bearing Race For Mountain Bike Cycle Front Fork Bicycle Bearing Set MTB Bike Parts
Aliexpress UK
Product Material: Nylon (PP). Don't include screw. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
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63800 2RSV MAX Bearing 10*19*7 mm 4Pcs C2 Single Row Full Balls Bicycle Frame Pivot Bearing 3800 2RS RSV Ball Bearings 63800LUU
Aliexpress UK