基本尺寸			型号
			Model
d[mm]	D[mm]	B[mm]
340			SNL 3072
340			SNL 3272
340			SNL 3180
50	72	12	S71910 ACB/HCP4A
320			SNL 3168
50	72	12	71910 CD/P4A
50	72	12	71910 CB/P4A
50	72	12	71910 CE/P4A
320			SNL 3068
320			SNL 3268
50	72	12	71910 CE/HCP4A
50	80	16	7010 CE/HCP4A
50	90	20	7210 CD/P4A
320			SNL 3068
50	90	20	7210 ACD/HCP4A
315.913			SNL 3068
50	80	16	7010 ACE/HCP4AL
315.913			SNL 3068
50	72	12	S71910 CE/HCP4A
303.213			SNL 3064
50	72	12	71910 ACE/HCP4AL
50	65	7	71810 ACD/HCP4
303.213			SNL 3264
303.213			SNL 3064
50	80	16	7010 ACB/P4AL
300			SNL 3064
50	80	16	7010 CD/P4AL
300			SNL 3264
50	80	16	7010 CD/P4AH
300			SNL 3064