Miniature Bearing

SKF Miniature Bearings for Compact Precision Equipment

Miniature bearings are used where equipment needs reliable rotation in a small installation space. They are commonly specified for instruments, small motors, automation devices, medical equipment, compact gear drives and precision assemblies. The correct reference depends on the bore, outside diameter, width, shielding or sealing requirement and operating speed.

Information to Check

• Complete bearing designation and dimensions in millimetres or inch series.
• Required radial and axial load, speed, noise level and rotational accuracy.
• Shield, seal, lubrication and corrosion-resistance requirements.
• Shaft and housing fit, temperature range and installation space.

Compact Assembly Considerations

Small dimensional differences can have a significant effect in compact equipment. Confirm the full marking and installation dimensions before ordering. If the original bearing is unavailable, send a photo, measurements and application information so the requested replacement can be reviewed against the assembly.

Related Product Families

For standard radial applications with larger dimensions, see our deep groove ball bearings. For precision rotary assemblies with combined loads, compare angular contact bearings.

Miniature Bearing FAQ

Which dimensions are most important?

Confirm bore, outside diameter and width together with the full reference. The seal or shield type can also affect suitability.

Can a bearing be selected from a photo only?

A photo helps identify the marking, but dimensions and operating requirements are needed to confirm a replacement.

Request a Quote

Send the full model, dimensions, application and quantity through the inquiry page for quotation review.