B7044-C-T-P4S-UL

The B7044-C-T-P4S-UL angular contact spindle bearing delivers micron-level accuracy (ISO P4S tolerance) for high-speed CNC machine tools, grinding spindles, and dental equipment requiring axial rigidity up to 12,000 RPM. Featuring hybrid ceramic balls (Si3N4) and a 15-degree contact angle, it minimizes centrifugal forces and heat buildup while achieving a dynamic load rating of 72 kN and limiting speeds of 18,000 RPM under oil-air lubrication. The bearing's phenolic resin cage (T-suffix) reduces mass inertia by 35% compared to steel retainers, critical for rapid acceleration/deceleration cycles in 5-axis machining centers. Precision-ground raceways with <0.5μm runout are manufactured from vacuum-arc remelted 100Cr6 steel, hardened to 60-62 HRC for wear resistance in continuous operation at 80°C ambient temperatures. The UL suffix denotes polyurea-based grease pre-lubrication (MIL-PRF-81322 compliant), extending relubrication intervals to 8,000 hours in sealed configurations with triple labyrinth shields. Applications include robotic joint actuators, aerospace turbine balancing equipment, and semiconductor wafer cutting systems requiring ABEC-7 equivalent precision. Compliant with JIS B 1514:2018 standards, this bearing supports combined axial/radial loads up to 0.45 C/P ratio and includes optional HSK/FMBT flange mounting kits for toolholder integration.

Hot Tags: b7044-c-t-p4s-ul, b7044-c-t-p4s-ul suppliers, Bearing 01EB270M Cooper Bearing, 51148 Deep Groove Thrust Ball Bearing, Cooper Roller Bearing, Split Tapered Bearing 1DTB80M, QJ222 Four Point Contact Ball Bearing, Single Row Angular Contact Ball Bearing