Deep Groove Ball Bearings FAG 6213 -C4

The FAG 6213-C4 deep-groove ball bearing, measuring 65 x 120 x 23 mm, offers sufficient clearance to accommodate thermal expansion thanks to its significantly increased bearing clearance.

The 6213-C4 deep-groove ball bearing from FAG Rolling Bearings is an open, single-row radial deep-groove ball bearing designed for demanding industrial applications. It has a bore of 65 mm, an outer diameter of 120 mm and a width of 23 mm. Thanks to the 100Cr6 material and the sheet steel cage, the component is suitable for temperature ranges from –30 to +150 degrees Celsius. The dimensional accuracy complies with tolerance class P0/PN or ABEC 1.

In which applications is the 6213-C4 deep-groove ball bearing used?

This rolling bearing is primarily suitable for designs where there are significant temperature differences between the inner and outer rings. Thanks to its design without a flange or groove on the outer ring, it can be fitted precisely into cylindrical housing bores. Typical applications include rotating shaft mountings where operational thermal expansion must be accommodated. As the component is unsealed, it integrates directly into the customer’s lubricating oil or grease circulation systems.

What does the increased bearing clearance C4 mean for the deep groove ball bearing 6213?

The C4 designation specifies a significantly increased radial clearance, which exceeds both the standard clearance and the C3 grade. This design clearance reduces the risk of the rolling elements seizing up if tight press fits or operational heating cause the rings to expand radially. As the open design offers no integrated protection against particles, a housing seal must be provided by the customer. Lubricant reaches the raceways directly, allowing for flexible relubrication intervals.