Super precision angular contact ball bearing
ROBUST Series NSK Europe

NSK's ROBUST Series of Ultra high-Speed Angular Contact Ball Bearings for the machine tool main spindles. These bearings offer improved thermal robustness, low heat generation, & improved seizure rates ensuring that machine tools can operate at ultra-high speeds, increasing manufacturers productivity & reduced energy cost.

PRODUCT FEATURES
ROBUST design with NSK's optimised geometry.
New SHX steel material option.
Rolling element material can be stel or ceramic.
Lightweight, high strength PEEK cage options.
Spinshot™II lubrication system for the ultra high speed.
PRODUCT BENEFITS
Lower temperature rise compared with conventional precision bearings.
20% faster than conventional precision bearing, up to 80% faster using new SHX material.
Temperature robustness - durable under fluctuating temperature conditions.
Improves seizure & wear resistance due to NSK's proprietary SHX bearing steel.
Fatigue life of SHX material is 4 times that of conventional bearing steel.
Ultra high-speed with position preload using Spinshot™II lubrication system (2.5 Million dmn (= Bearing mean diameter (mm) X speed (rpm)).
Spinshot™II lubrication system reduces air noise.
Air / Oil systems (3 to 4 dB quieter).