基本尺寸			型号
			Model
d[mm]	D[mm]	B[mm]
15	35	11	NF202
17	40	12	NF203
20	47	14	NF204
25	52	15	NF205
30	62	16	NF206
35	72	17	NF207
40	80	18	NF208
45	85	19	NF209
50	90	20	NF210
60	110	28	N2212
50	90	23	N2210
65	120	31	N2213
55	100	25	N2211
70	125	31	N2214
60	110	28	N2212
75	130	31	N2215
65	120	31	N2213
80	140	33	N2216
70	125	31	N2214
85	150	36	N2217
75	130	31	N2215
90	160	40	N2218
80	140	33	N2216
95	170	43	N2219
85	150	36	N2217
100	180	46	N2220
90	160	40	N2218
110	200	53	N2222
95	170	43	N2219
100	215	73	NU2320