FAG bearing cross reference

Reading an FAG Bearing Designation

FAG is part of the Schaeffler Group. FAG bearing designations follow the ISO basic-number system, with the same boundary-dimension logic as other major brands, but the suffix codes differ from SKF and NSK. The basic number (for example, 6205) defines the bearing type and size; the suffix defines seals, shields, clearance, cage, and precision.

Common FAG suffixes and what they mean

Example: FAG 6205-2RSR means a 6205 deep groove ball bearing with two contact rubber seals. The standard designation 6205-2RS has the same boundary dimensions and the same sealing function, so it is the direct interchangeable equivalent.

What to check before replacing an FAG bearing

1. Read the complete marking from the bearing face — basic number plus every suffix letter.
2. Translate the suffix. FAG uses 2RSR for sealed and 2ZR for shielded — different letters than SKF or NTN for the same physical configuration.
3. Confirm internal clearance. An FAG C3 must be replaced with a C3 equivalent, not the CN standard.
4. Check the cage code (TVH, M, or J for pressed steel) if the application has specific cage requirements.
5. Send the complete original marking with your RFQ so we can confirm the exact standard equivalent.

FAG Deep Groove and the Schaeffler Range

FAG and INA (both Schaeffler brands) cover the full rolling bearing spectrum. FAG deep groove ball bearings are widely used in electric motors, pumps, and general machinery in Europe. The FAG X-life line marks enhanced performance bearings with the same basic numbers as standard FAG bearings — boundary dimensions are identical, so an X-life 6205 and a standard 6205 fit the same housing, and a standard-designation equivalent is dimensionally interchangeable. Confirm the dynamic load rating if a direct performance match matters.

FAG Bearing Number Prefixes

• W — stainless steel in some series
• E — optimized internal design in many FAG roller bearing series
• X-life — performance-marketed variants with identical basic numbers

How to Use This Cross Reference

1. Locate your FAG bearing model number
2. Find the corresponding KIHOI model
3. Verify dimensions match
4. Request a quote

Popular FAG Equivalents

Contact us for specific model inquiries.