This kind alternator bearings for Automobile Alternator, outer ring with 2 tolerance or retaining rings:

1-Bore diameter from 8mm-17mm

2-Bearing range:

1)Bore diameter 8mm: B8-74D. B8-85D. B8-23D. B8-79D.

2)Bore diameter 10mm: B10-79D. 6000TT. 62000-2RS. B10-50D

3)Bore diameter 12mm: 214. B12-40F. B12-53F

4)Bore diameter 15mm: 366.6202TT. 279. B15-69D. 348. B15-85D. 319. B15-45D. 366. B15-86D. B15-83D. 382-2RS

5)Bore diameter 17mm: 6203TT. B17-107D. 303WPP. B17-52D. 333. B17-99D. B17-116D

3-Clearance: C3

4-Grease: High temperature grease

5. Alternator Bearings