Deep Groove Ball Bearings SKF 61852 MA

The single-row SKF deep groove ball bearing 61852 MA features a 260 mm bore, a 320 mm outer diameter and an externally guided brass cage, all within a compact design.

As a thin-section bearing, the 61852 MA deep-groove ball bearing is one of the space-saving rolling bearings designed for large shaft diameters. This open-type SKF component primarily accommodates radial loads and supports shafts with a small cross-sectional area. Thanks to the solid brass cage guided on the outer ring, the design is suitable for demanding speed conditions and thermal loads ranging from –20 to +150 degrees Celsius. Manufactured from 100Cr6 rolling-bearing steel, it offers the necessary dimensional stability for industrial use.

What is the 61852 MA deep groove ball bearing suitable for in mechanical engineering?

Design engineers prefer to use this bearing series where large hollow shafts or housing bushings need to be supported in confined spaces. The bearing is used in general mechanical engineering, in gearbox designs and in rotary joints. As the 61852 MA deep-groove ball bearing is designed as an open bearing, it can be lubricated directly with oil or grease via the machine’s lubrication circuit. The cylindrical outer ring, which has no groove, fits precisely into flat housing bores.

What are the distinctive features of the MA external brass cage?

The suffix ‘MA’ denotes a solid brass cage that is guided within the outer ring. Compared to sheet metal cages, brass dampens vibrations and exhibits emergency running properties in the event of brief lubricant shortages. The guidance on the outer ring stabilises the rolling element guidance even during rapid acceleration and at higher speeds. When designing the bearing, it should be noted that it is designed with standard radial clearance (CN) and standard tolerance class P0, which facilitates installation on standard-compliant fit seats.