基本尺寸			型号
			Model
d[mm]	D[mm]	B[mm]
60	110	28	NJ2212
60	110	28	NJ2212E
55	100	25	NJ2211
55	100	25	NJ2211E
50	90	23	NJ2210
50	90	23	NJ2210E
45	85	23	NJ2209
45	85	23	NJ2209E
40	80	23	NJ2208
40	80	23	NJ2208E
35	72	23	NJ2207
35	72	23	NJ2207E
30	62	20	NJ2206
30	62	20	NJ2206E
25	52	18	NJ2205
25	52	18	NJ2205E
20	47	18	NJ2204
45	100	36	NJ2309
45	100	36	NJ2309E
40	90	33	NJ2308
40	90	33	NJ2308E
35	80	31	NJ2307
35	80	31	NJ2307E
30	72	27	NJ2306
30	72	27	NJ2306E
25	62	24	NJ2305
25	62	24	NJ2305E
20	52	21	NJ2304
20	52	21	NJ2304E
200	420	80	NJ340