Angular Contact Ball B. FAG 3218

The FAG 3218 angular contact ball bearing, with dimensions of 90 x 160 x 52.4 mm, can accommodate high radial loads as well as axial loads on both sides.

The FAG 3218 angular contact ball bearing is a double-row rolling bearing with standard radial clearance and solid rings made from 100Cr6 bearing steel. Thanks to its internal design, this bearing unit can accommodate radial forces as well as axial forces in both directions. The open design allows for direct lubrication via the surrounding system. With the standard tolerance class P0 or ABEC 1, this version meets the basic requirements of general mechanical engineering.

What is the 3218 double-row angular contact ball bearing suitable for?

This double-row bearing is suitable for applications where combined loads occur and rigid shaft guidance is required. Typical applications include rotating machine components and shaft mountings subject to axial loads on both sides. In terms of design, the double-row construction requires less installation space in the axial direction than two separate single bearings. The component is designed for operating temperatures ranging from –20 to +150 degrees Celsius.

What are the key considerations for the open design and lubrication?

As the 3218 angular contact ball bearing is an open design and has no integrated seals, protection against dirt and moisture must be provided by the housing design. The lubricant – grease or oil – is selected specifically to suit the ambient conditions. The built-in sheet steel cage guides the rolling elements and withstands thermal stresses up to +150 degrees. Before installation, the mounting dimensions of the shaft (90 mm) and the housing bore (160 mm) must be checked for compatibility.