Deep Groove Ball Bearings SKF 6305 -2Z/C3

The SKF 6305 -2Z/C3 deep groove ball bearing, with dimensions of 25x62x17 mm, sheet metal shims and C3 clearance, offers reliable running characteristics at moderate operating temperatures.

The SKF 6305 -2Z/C3 deep groove ball bearing, as a single-row rolling bearing, primarily accommodates radial loads as well as axial forces in both directions. Manufactured from standard roller bearing steel 100Cr6, with an inner diameter of 25 mm, an outer diameter of 62 mm and a width of 17 mm, the unit features a robust sheet steel cage. The cover plates on both sides protect the bearing interior from coarse contaminants. With tolerance class P0 (PN or ABEC 1), this model complies with the industrial standard for precision in rotating assemblies.

In which applications is the 6305-2Z/C3 deep groove ball bearing used?

This radial ball bearing is used in rotating assemblies subjected to combined loads where smooth running characteristics are required. With a permissible temperature range of –20 to +120 degrees, this design is suitable for standard industrial environments. The non-contacting gap seals made of sheet steel do not generate any additional frictional resistance, meaning the bearing is designed for higher speeds. Size 6305 accommodates radial loads as well as axial forces in both directions.

When is the combination of sheet metal cover plates and C3 bearing clearance appropriate?

The suffixes 2Z and C3 are key determinants of the operating conditions. The -2Z version shields the interior from solid particles, whilst non-contact sheet metal washers minimise heat build-up during operation. The slightly increased radial bearing clearance (C3) compensates for operational thermal expansion or tight fits on the shaft and housing. If temperature gradients arise between the inner and outer rings during operation, the C3 bearing clearance helps to prevent the rolling elements from becoming stressed.