Collection: Bearings - Ball - WIR - High Precision - 440C Stainless

Stainless steel single row radial ball bearings with extended inner ring (wide inner ring) - Abec 5 and Abec 7.

True high precision bearings are not recommended for skates or fishing reels.

High precision bearings are used in accurately balanced application such as spindles, gyros and medical equipment.

If your application is not of a precision nature, standard bearings may be more suitable (and less expensive).

PDF Catalogues

Standard Bearing RangeCorrosion Resistant BearingsSuper Precision Bearings

Information Sheets

Abec Information - Bearing ClearancesBearing Cleanliness - Bearing Closures - Bearing Failure - Bearing FatigueBearing Lubricants - Bearing Materials - Bearing Noise Levels - Bearing Prefix & Suffix - Bearing Precision - Bearing Retainers - Bearing Speed - Bearing Tolerances (440C & Chrome) - BrandsDental Equipment BearingsMeasuring Miniature Parts - Static vs Dynamic Load