基本尺寸			型号
			Model
d[mm]	D[mm]	B[mm]
45mm	100mm	57mm	UC309
60mm	130mm	71mm	UC312
50mm	110mm	61mm	UC310
65mm	140mm	75mm	UC313
55mm	120mm	66mm	UC311
50	90	32	FYCJS-50
50	90	32	FYCJ-50
50	90	32	FYCRS-50
50	90	32	FYCR-50
45	85	32	FYCJS-45
45	85	32	FYCJ-45
45	85	32	FYCRS-45
45	85	32	FYCR-45
40	80	32	FYCJS-40
40	80	32	FYCJ-40
40	80	32	FYCRS-40
40	80	32	FYCR-40
35	72	29	FYCJS-35
35	72	29	FYCJ-35
35	72	29	FYCRS-35
35	72	29	FYCR-35
30	62	29	FYCJS-30
30	62	29	FYCJ-30
30	62	29	FYCRS-30
30	62	29	FYCR-30
25	52	25	FYCJS-25
25	52	25	FYCJ-25
25	52	25	FYCRS-25
25	52	25	FYCR-25
20	47	25	FYCJS-20