基本尺寸			型號
			Model
d[mm]	D[mm]	B[mm]
35	80	21	7307 BECBY
35	80	21	7307 BECBP
35	72	17	7207 BECBPH
35	80	21	7307 BE-2RZP
35	72	17	7207 BE-2RZP
35	72	17	7207 BEGBY
35	72	17	7207 BEGBP
35	72	17	7207 BEGAY
35	72	17	7207 BECBM
35	72	17	7207 BEGAM
35	72	17	7207 BEGAP
35	72	17	7207 BECBY
35	72	17	7207 BECBP
35	80	21	7307 BEGAPH
35	100	25	7407 BM
30	90	23	7406 BCBM
30	62	16	7206 BECBPH
30	72	19	7306 BEGAPH
30	72	19	7306 BEGBY
30	72	19	7306 BEGBM
30	72	19	7306 BEGBP
30	72	19	7306 BEGAM
30	72	19	7306 BEGAP
30	90	23	7406 BM
30	72	19	7306 BE-2RZP
30	62	16	7206 BEGAP
30	72	19	7306 BECBP
30	62	16	7206 BEGAY
30	62	16	7206 BECBM
30	62	16	7206 BECBP