SKF - 71906 CD/P4ATFTC

Details

These sets of three matched super-precision angular contact ball bearings are available as universally matchable bearings or as preconfigured arrangements. Sets arranged in back-to-back and tandem, or face-to-face and tandem, are available in different preload classes and correct mounting results in preload within a predetermined range, without the need for shims or similar devices. Sets of three bearings paired in tandem need to be mounted against a single bearing, or another set of bearings in tandem, to achieve the desired preload. The bore and outside diameters of the bearings are matched to within a maximum of one-third of the permitted diameter tolerance, to provide better load distribution than single universally matchable bearings. Material: High-quality bearing steel rings with ceramic (Si3N4) balls and a fabric-reinforced phenolic resin cage. Features are: Very High Running Accuracy, Very High Load Carrying Capacity, Relatively High Speed And Stiffness, Electrical Insulation. Application: Machine Tool Spindles, Medical and Dental Equipment, Aerospace and Defense, Semiconductor Manufacturing. CD= 15° Contact Angle, P4A= Dimensional Accuracy In Accordance With ISO Tolerance Class 4, Running Accuracy Better Than ISO Tolerance Class 4, TFTC= Four Bearings Arranged Tandem Face-To-Face With A High Preload.

Specifications