About Koyo

Koyo product interchange

Most manufacturers use the DB, DF, DT and DU suffix for the bearing arrangement. Light, medium and heavy preload designations will very by manufacturer. The most commonly used are L, M or H following the bearing arrangement. Ie, DUL, DFM, DBH.
The letter (p) designates a Prefix, found before the bearing size.
The letter (s) designates a Suffix, found after the bearing size.

For Example:
Timken – 3MM9306 WI CR DUL equals Barden – 1906 HE DUL equals SNFA – SEB 30 7 CE 3 DUL equals GMN S61906 ETA A7 DUL equals Koyo – 7906 AC GLX2 FGP4 (30mm ID, 25° angle, phenolic retainer, Abec7, duplex pair, universally ground, light preload)

Please call Precision RPM, LLC @ 1-877-460-2332 for any and all help with your interchanges.

Precision RPM is not responsible for manufacturer changes on bearing nomenclature. We reserve the right to make changes at any time.

Interchange Table


Koyo FAG SNFA GMN Barden Timken (Torrington)
7000 B7000 EX 10 S6000 100 9100
7200 B7200 E 200 S6200 200 200
7300 B7300 —— ——– 300 300
7900 B71900 SEB 10 S61900 1900 9300
Ceramic Ball 3NC (p) HC (p) NS/ (s) HY (p) C (p) C (p)
Small Ball ACH (p) HS (p) VEX (p) KH (p) —- —-
Angular 7000 (p) B7 (p) E/EX/SEB(p) S (p) H (s) WI/WO/WN (s)
15° Angle C (s) C (s) 1 (s) C (s) C (s) 2 (p)
25° Angle AC(s) E (s) 3 (s) E (s) E (s) 3 (p)
Abec 7 P4 (s) P4S (s) 7 (s) A7/P4 (s) —- MM (p)
Non-Metal Cage FT (s) T (s) CE (s) TA/TB (s) —- CR (s)
Duplex Pairs D(s) D(s) D(s) D(s) D(s) D(s)