10 Pack 61801-2RS Sealed Ball Bearings 12x21x5 Millimeter With Dual Seals Pre Lubricated Grease For Smooth Operation And Dust Protection Ideal For Automotive Machinery And Hobbyist Projects With Low Friction And Long Service Life

Ten-Pack 61801-2RS Sealed Ball Bearings 12x21x5
✔️ Pack of 10, sealed 61801-2RS bearings, pre-lubed, 12x21x5 mm

These 61801-2RS sealed ball bearings are compact, dual-sealed 12x21x5 mm units designed to deliver smooth, low-friction rotation in tight spaces. They’re a common choice in RC cars, hobby gear, and small robotics where reliable sealing and lubrication are key.

✅ Size: 12 mm x 21 mm x 5 mm with 2RS dual seals
✅ Material: chrome steel (AISI 52100) for durability
✅ Lubrication: pre-lubricated with grease for immediate use
✅ Pack: 10 bearings per plastic tube for easy stocking
✅ Protection: dual-seal design guards against dust and contamination
✅ Compatibility: fits many RC car kits and small machinery (MUGEN SPORT 1:8, Picco RS 600 GAS, Serpent 9000 rear axle inner, Excel 1:8 4WD, IMPACT-10, Sprint 6000 GAS, XL9000 MKII)

💡 What is a sealed ball bearing used for in small RC cars and hobby hardware? This handy bearing type is designed for reliable, low-friction rotation in tight spaces.

- Handy for compact RC setups and hobby gear that require reliable rotation - Sealed 2RS design keeps grease in and contaminants out for longer life - Pre-lubricated bearings eliminate extra lubrication steps during assembly - Size 12x21x5 mm fits many models, making replacements quick