基本尺寸			型号
			Model
d[mm]	D[mm]	B[mm]
50	90	20	QJ210
55	100	21	QJ211
60	110	22	QJ212
65	120	23	QJ213
70	125	24	QJ214
75	130	25	QJ215
80	140	26	QJ216
85	150	28	QJ217
90	160	30	QJ218
90	160	30	6218-RZ
90	160	30	6218-RS
85	150	28	6217-RZ
85	150	28	6217-RS
80	140	26	6216-RZ
80	140	26	6216-RS
75	130	25	6215-RZ
75	130	25	6215-RS
70	125	24	6214-RZ
70	125	24	6214-RS
65	120	23	6213-RZ
65	120	23	6213-RS
60	110	22	6212-RZ
60	110	22	6212-RS
55	100	21	6211-RZ
55	100	21	6211-RS
50	90	20	6210-RZ
50	90	20	6210-RS
45	85	19	6209-RZ
45	85	19	6209-RS
35	55	10	61907-RZ