30203 Tapered Roller Bearing 17x40x13.25 - Tapers - Taper Bearing with Cone and Cup Made from 52100 Chrome Steel Built to Handle Heavy Radial and Axial Loads in Wheel and Industrial Applications

30203 Tapered Roller Bearing for wheel hubs and drives
✔️ Single bearing: 30203 tapered roller with cone, cup, and 52100 steel

This tapered roller bearing is designed with a cone and cup for reliable pre-assembly and easy replacement in wheel hubs and industrial machinery. Made from 52100 chrome steel, it delivers robust radial and axial load handling suitable for OEM or aftermarket applications in ATVs, motorcycles, and various equipment.

✅ Dimension: bore 17 mm, outer diameter 40 mm, width 13.25 mm
✅ Material: 52100 chrome steel for strength
✅ Configuration: cone and cup tapered roller bearing (model 30203)
✅ Pack: single bearing

💡 What is a tapered roller bearing used for in machinery?

They’re handy for handling combined radial and axial loads in rotating parts.

- wheel hub and drive systems handle combined radial and axial loads
- OEM replacement when bore 17 mm, outer diameter 40 mm, width 13.25 mm matches
- 52100 chrome steel provides long service life under heavy loads