Deep Groove Ball Bearings FAG 6315 -C3

With dimensions of 75 × 160 × 37 mm and increased bearing clearance, the FAG deep-groove ball bearing 6315 -C3 offers a high level of operational reliability under thermal stress.

The 6315-C3 deep groove ball bearing is a single-row radial ball bearing made from standard rolling-element bearing steel (100Cr6) for demanding industrial applications. With a bore of 75 mm, an outside diameter of 160 mm and a width of 37 mm, this FAG unit primarily accommodates radial loads as well as moderate axial forces. Design engineers and maintenance personnel value the design featuring a sheet steel cage, as it operates reliably even under demanding operating conditions. Thanks to the standardised tolerance class P0/ABEC 1, the rolling bearing integrates seamlessly into existing machine systems.

What is the 6315-C3 deep-groove ball bearing suitable for?

This bearing is primarily used in applications where thermal expansion or high radial forces occur. The open design without an integrated seal allows for direct lubrication via a lubricant reservoir or a lubrication system. At the same time, the absence of abrasive sealing elements minimises frictional resistance, enabling the unit to operate efficiently. For demanding continuous operation, the robust sheet steel cage provides dimensionally stable guidance for the rolling elements.

When is the C3 clearance advantageous for the 6315 deep-groove ball bearing?

The C3 designation indicates an increased radial clearance compared with the standard version. This additional clearance between the rolling elements and raceways helps to prevent the bearing from seizing up if the shaft and inner ring heat up during operation or if tight fits reduce the radial clearance. At operating temperatures between -20 and +150 degrees, the roller bearing thus remains smooth-running. For the open version, you should provide an external housing seal to retain the lubricant and prevent the ingress of dirt.