基本尺寸			型號(hào)
			Model
d[mm]	D[mm]	B[mm]
40	68	15	6008N
40	62	12	6908N
40	52	7	6808N
35	80	21	6307N
35	72	17	6207N
35	62	14	6007N
35	55	10	6907N
35	47	7	6807N
32	75	20	63/32N
32	65	17	62/32N
32	58	13	60/32N
30	72	19	6306N
30	62	16	6206N
30	55	13	6006N
30	47	9	6906N
30	42	7	6806N
28	68	18	63/28N
28	58	16	62/28N
28	52	12	60/28N
25	62	17	6305N
25	52	15	6205N
25	47	12	6005N
25	42	9	6905N
25	37	7	6805N
22	56	16	63/22N
22	50	14	62/22N
22	44	12	60/22N
20	52	15	6304N
20	47	14	6204N
20	42	12	6004N