Features of railway bearings
Axle bearings: tapered roller bearings, tapered roller bearing cartridge, cylindrical roller bearings, spherical roller bearings
1. increased life
2. low maintenance
3. anti-fretting solutions
4. optimized cage design
5. labyrinth or contact seals
Transmission bearings: tapered roller bearings, cylindrical roller bearings, ball-bearings
1. optimized cage design
2. increased capacity
Traction engine bearings: cylindrical roller bearings, ball-bearings
1. optimized cage design
2. insulated bearings (ceramic or polymer coatings)