基本尺寸			型号
			Model
d[mm]	D[mm]	B[mm]
20.638	37.313	14.3	GT6
20.638	37.313	14.3	FT6
20.638	37.31	15.88	B6
20.638	31.75	12.7	2007
20	70	52	52406
20	55	42	54305 + U305
20	52	37.6	54305
20	52	34	52305
20	50	36	54205 + U205
20	47	31.4	54205
20	47	28	52205
20	45	24	504
20	45	23	1004
20	45	18	4104-AW
20	42	17	53204 + U204
20	40	16	4104
20	40	14.7	53204
20	40	14	51204
20	40	14	904
20	39	13.2	DL20
20	37	12	2904
20	35	10	51104
19.05	46.05	22.225	HW3/4
19.05	42.88	16	4405
19.05	38.89	15.875	W3/4
19.05	37.313	15.88	B5
19.05	37.313	14.3	D5
19.05	37.313	14.3	GT5
19.05	37.313	14.3	FT5
19.05	33.35	7.14	EW3/4