Angular Contact Ball B. FAG 7221 -B-MP

The FAG 7221 -B-MP angular contact ball bearing with a brass cage, with a bore of 105 mm and an outer diameter of 190 mm, can accommodate high unilateral axial loads as well as radial forces.

This single-row angular contact ball bearing 7221 -B-MP from FAG is characterised by a 40-degree contact angle. Thanks to the obliquely arranged raceways, the design transmits combined forces precisely in one direction. Manufactured from standard rolling-bearing steel (100Cr6), the solid rings offer dimensional stability. As an open roller bearing without sealing washers, this design allows for direct lubrication via the operational lubrication circuit and is suitable for operating temperatures ranging from –20 to +150 degrees.

What is the 7221 -B-MP angular contact ball bearing suitable for?

This single-row bearing is primarily used where radial forces and significant axial forces in one direction occur simultaneously. Typical applications include gearbox shafts, pumps or compressors. As a single bearing can only accommodate axial forces from one side, in practice it is often fitted in a set-up configuration against a second rolling bearing. The outer ring, which has no flange or groove, facilitates precise fitting into cylindrical housing bores.

What are the advantages of the 40-degree contact angle and the brass cage?

The suffix ‘B’ denotes the 40-degree contact angle, which increases the axial load capacity compared with bearings with smaller angles. The solid brass cage (designation ‘MP’) guides the rolling elements with low vibration and reliably withstands even demanding conditions. Together with the standard radial clearance and tolerance class P0/PN (ABEC 1), the design is suitable for conventional industrial applications requiring standardised mounting dimensions and thermal resistance up to +150 degrees.