Sealed Ball Bearing 17x30x7 mm For Industrial Machinery And Equipment Chrome Steel 52100 Inner Diameter 17 mm Outer Diameter 30 mm Width 7 mm High Precision Durable Bearing Ideal For Motors Gearboxes Pulleys And Reels Model 6903LLU

Premium 6903LLU Sealed Ball Bearing 17x30x7 mm - 1 piece
✔️ 17 mm bore, 30 mm outer dia, 7 mm wide; sealed, greased

The 6903LLU Sealed Ball Bearing is a compact radial bearing built to handle standard loads while keeping contaminants out. It’s commonly used in conveyors, motors, gearboxes, and other machinery where smooth rotation matters; sold as a single bearing.

✅ Size: 17 x 30 x 7 mm (0.669 x 1.181 x 0.276 in)
✅ Material: chrome steel 52100
✅ Seals: two rubber seals; dust protection
✅ Lubrication: pre-lubricated with grease; Cr 4600 N, Cor 2550 N

💡 What is a sealed ball bearing used for in everyday machinery? This handy component helps support rotating loads while keeping dirt out. - Reduces friction in rotating shafts and wheels - Seals protect grease and prevent dirt ingress - Handy for DIY projects and small industrial setups