High Precision Tapered Roller Wheel Bearing For Radial And Axial Load Support Fifty Five By One Hundred Twenty By Thirty One Point Five Millimeter Cone And Cup Included Chrome Steel 52100 For Durable Automotive And Industrial Use

30311 tapered roller bearing 55x120x31.5 mm 1 bearing unit
✔️ Cone and cup included, chrome steel 52100, 1 bearing unit

The 30311 tapered roller wheel bearing is a single unit with cone and cup, made from 52100 chrome steel. It handles both radial and axial loads and is commonly used in wheel hubs, conveyors, and heavy machinery needing solid load support.

✅ Inner diameter 55 mm
✅ Outer diameter 120 mm
✅ Width 31.5 mm
✅ Material 52100 chrome steel
✅ Cone+cup included (single unit)
✅ Basic load Cr 142000 N, Cor 163000 N
✅ Grease lubrication 3200 RPM, Oil lubrication 4300 RPM

💡 What is a tapered roller bearing used for in mechanical systems? Handy for supporting both radial and axial loads in one direction.

- handy for wheel hubs and axles needing radial and axial load support
- great in machines where precise alignment and load distribution matter
- compatible with cone and cup assemblies with grease or oil lubrication