Spindle bearings B70- High precision ball bearings; Manufacturer: FAG or SLF in premium quality made in Germany. P4S = Tolerance class. E = contact angle 25° or C = contact angle 15°. UL = Universal design, slight preload when installed in pairs in O and X arrangement. T = Window cage made of hard fabric. Spindle bearings have restricted tolerances. (Other types and larger quantities on request)