Deep Groove Ball Bearings FAG 626

The FAG 626 deep-groove ball bearing, with its compact dimensions of 6 × 19 × 6 mm, features an open design suitable for a wide range of radial loads.

The 626 deep-groove ball bearing is a single-row miniature rolling bearing conforming to standard tolerance class P0/PN or ABEC 1. It primarily accommodates radial and axial forces. Thanks to its open design without sealing washers, this version is particularly suitable for applications where lubricant is supplied from the outside or where the bearing runs in a sealed housing. Manufactured from standard roller bearing steel (100Cr6) with a robust sheet steel cage, this design is suitable for operating temperatures ranging from -30 to +120 degrees.

In which applications is the 626 deep-groove ball bearing used?

This miniature bearing is primarily used in compact designs with limited installation space and small shaft diameters. Designers utilise the dimensions of a 6 mm bore and a 19 mm outer diameter for space-saving shaft mountings. As the open bearing has no integrated seals, it operates with very low rotational resistance. It requires a clean installation environment or external housing seals to prevent the ingress of dirt particles.

What are the key characteristics of the open design of the 626 deep groove ball bearing?

The open design of the bearing is characterised by minimised friction, as there are no sealing lips in contact with the rolling elements to affect concentricity. The bearing has a standard radial clearance, which is intended for typical installation conditions with moderate temperature differences. Users should note that this bearing must be lubricated with grease or oil before commissioning. The integrated sheet steel cage keeps the rolling elements spaced apart and ensures even load distribution during operation.