Spherical Roller Bearings SKF 22220 E/C3

The SKF 22220 E/C3 spherical roller bearing, with a 100 mm bore, C3 clearance and lubrication groove, is designed to handle heavy radial loads.

This double-row 22220 E/C3 self-aligning roller bearing is suitable for applications where high radial forces act on the shaft. Thanks to the barrel-shaped rollers on the spherical outer ring raceway, the bearing automatically compensates for misalignment and shaft deflection. As an open design made from standard rolling-bearing steel 100Cr6, the component is designed for a temperature range of -30 to +200 degrees.

What is the 22220 E/C3 self-aligning roller bearing suitable for in industrial applications?

Maintenance engineers and designers typically use this size in industrial applications involving heavy loads and shaft deflection. Wherever operational shaft deflections occur or there are manufacturing-related misalignments between the housing seats, the angular mobility helps to prevent edge stresses. The lubrication groove with lubrication holes in the outer ring facilitates relubrication whilst the bearing is in operation.

What are the advantages of combining C3 bearing clearance with P5 running accuracy?

The design with bearing clearance class C3 has greater radial clearance than a standard bearing. This compensates for thermal expansion at operating temperatures up to +200 degrees, as well as fit allowances when mounting the inner ring onto the 100-mm shaft. At the same time, the increased running accuracy to tolerance class P5, combined with standard dimensional accuracy (PN), ensures low-vibration concentricity. The sheet steel cage guides the rolling elements precisely at varying speeds.