WTF™ (Water-Tough) Bearings
NSK’s WTF™ (Water-Tough) Bearings have been developed using advanced technologies such as ultrahigh clean-material technology for bearing material and using NSK’s proprietary heat-treatment technology.
Product Features
- Steel material technology.
- Special NSK heat-treatment technology.
- Optimum chemical component design technology.
- Available for four-row cylindrical and four-row taper roller bearings.
Product Benefits
- Bearing life is 3 times longer than that of conventional bearing.
- Relatively free from non-metallic inclusions on raceway surface. Therefore, generation of cracks is inhibited.
- Grain boundaries have been strengthened to help prevent the propagation of cracks.
- Prevent further propagation of corrosion fatigue cracks due to water infiltration.