R8-2RS Sealed Roller ベアリングPCS Inch 1/2x x Inch 精密ベアリング（電動モーター、車輪、家電製品、園芸機械用）

10-Pack R8-2RS 1/2 in Bore Sealed Ball Bearings for Motors

✔️ 1/2 in bore x 1-1/8 in OD x 5/16 in wide; double rubber seals

These sealed R8-2RS bearings come in a 10-piece pack and are handy for electric motors, wheels, home appliances, and garden machinery where smooth rotation matters. Built to handle high speeds and both radial and axial loads, they’re a solid choice for DIY projects and equipment that runs hot.

✅ 10 pcs per pack (10 Pcs) for easy stocking and project use
✅ Bore 12.7 mm (1/2 in); Outer diameter 28.575 mm (1-1/8 in); Width 7.9375 mm (5/16 in)
✅ Deep groove design for high speeds and dual radial/axial load support
✅ Bearing steel construction for durability and deformation resistance
✅ Double rubber seals retain lubricant and block contaminants
✅ Ideal for electric motors, wheels, home appliances, and garden machinery

寸法	サイズ
ボア	12.7 mm (1/2 in)
Outer diameter	28.575 mm (1-1/8 in)
Width	7.9375 mm (5/16 in)

Q&A for SEO 💡 What is a sealed ball bearing used for in small motors and DIY projects? This handy bearing choice helps reduce friction and extend life in compact gear setups. - Handy for electric motors, hobby robotics, wheels, and small machinery - Double rubber seals keep lubricant in and contaminants out - Ideal for DIY projects, garden gear, and home appliances