基本尺寸			型号
			Model
d[mm]	D[mm]	B[mm]
45	100	27.25	4T-30309D
40	90	25.25	4T-30308D
50	110	29.25	4T-30310
45	100	27.25	4T-30309
50	110	29.25	4T-30310D
45	100	27.25	4T-30309D
55	120	31.5	4T-30311
50	110	29.25	4T-30310
55	120	31.5	4T-30311DJ
50	110	29.25	4T-30310D
60	130	33.5	4T-30312D
55	120	31.5	4T-30311
140	300	67.75	30328U
120	260	59.5	30324U
150	320	72	30330U
130	280	63.75	30326U
160	340	75	30332U
140	300	67.75	30328U
170	360	80	30334U
150	320	72	30330U
100	215	56.5	31320XU
160	340	75	30332U
65	120	32.75	32213U
105	190	65.1	3221
70	125	33.25	32214U
60	110	29.75	32212U
75	130	33.25	32215U
65	120	32.75	32213U
80	140	35.25	32216U
70	125	33.25	32214U