6303LUA NTN Single Row Radial Ball Bearing Single Sealed Contact Rubber Seal Delivers Low Friction Operation And High Load Capacity For Industrial Machinery With Trusted NTN Quality

6303LUA NTN Sealed Single-Row Ball Bearing
✔️ Seal: rubber contact; 17x47x14mm (0.669x1.850x0.551in)

The 6303LUA NTN bearing is a single sealed radial ball bearing designed for general purpose uses in machinery, automotive components, conveyors, and DIY projects. The rubber contact seal keeps lubricant in and contaminants out for reliable performance in dusty or wet settings.

✅ Bore 17 mm, OD 47 mm, width 14 mm
✅ Seal: rubber contact on one side
✅ Type: single-row radial ball bearing
✅ Material: steel, pre-greased
✅ Fits standard NTN 6303LUA housings and applications

💡 What is a sealed ball bearing used for in mechanical assemblies?

Sealed bearings are used to support rotating shafts while keeping lubricant in and contaminants out. This makes them handy for a wide range of machines.

- handy for compact drives and conveyors - protects against dust and moisture in harsh environments - supports high-speed rotation with low maintenance