NSK introduces its ROBUST™ Series of Ultra High Speed Angular Contact Ball Bearings with SHX steel material option for machine tool main spindles offer improved thermal robustness, low heat generation and improved seizure rates.

These bearings ensure operation at ultra-high speeds, increased throughput and reliability in machine tool applications. Other product benefits include:
■Lower temperature rise compared with conventional precision bearings
■80% faster than conventional precision bearings
■Durable under fluctuating temperature conditions
■Improved seizure and wear resistance
■Fatigue life is 4 times that of conventional bearings