... , 625, 626, 627, 628, 629, 6200-6212. (3) 63 series: 634---6312. 634, 635, 636, 637, 638, 639, 6300-6312 ... . (6) 67 series: 6700---6707. (7) 16000 series: 16000---16007. (8) R series: R2---R20. (9) 1600 series: 1601---1641. (10) Stainless series: 608---6006, 628 ... , 638---6306. (11) Non-standard . (12) Needle bearings: NA series, K series HK series, etc. (13) Tapered . (14) Pillow block bearings, etc.