Reference
Bearing Designation Guides
Every letter and number in a bearing part number means something — bearing type, series, bore, seal, cage, clearance and lubrication. Use these manufacturer guides to decode a number, then send it to our Houston counter for a same-day quote.
FAG
FAG Bearing Designation Guide — Prefixes, Suffixes & Nomenclature
How to read a FAG bearing part number: basic designation, diameter and width series, bore codes, prefixes and suffixes.
NSK
NSK Bearing Designation Guide — Prefixes, Suffixes & Nomenclature
How to read an NSK bearing part number: basic designation, series codes, bore codes, prefixes and suffixes.
SKF
SKF Bearing Designation Guide — Prefixes, Suffixes & Nomenclature
How to read an SKF bearing part number: basic designation, series codes, bore codes, prefixes and suffixes.
Not sure what you have?
Send us the number stamped on the bearing and we'll identify it and quote the equivalent from stock.
You can also check the bearing cross-reference tool or measure bore, OD and width against our bearing dimensions chart.
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