Angular Contact Ball Bearings Duplex Spindle Bearings Contact Angle 15 Degrees Bore Dia 15 mm Outside Dia 32 mm Width 18 mm Standard Preload 28 N Max RPM 70,000 Dynamic Load Capacity 6200 N Static Load Capacity 3400 N ABEC Tolerance 7 Temp Range - 22 - 212 F Cage Material High Performance Plastic Oil Lubrication