基本尺寸			型号
			Model
d[mm]	D[mm]	B[mm]
2.5mm	6mm	1.8mm	68/2.5
530mm	650mm	56mm	68/530
1.5mm	4mm	1.2mm	68/1.5
500mm	620mm	56mm	68/500
85mm	110mm	13mm	6717Z
2.5mm	6mm	1.8mm	68/2.5
130mm	340mm	78mm	6426
1.5mm	4mm	1.2mm	68/1.5
110mm	280mm	65mm	6422
85mm	110mm	13mm	6717Z
100mm	250mm	58mm	6420
130mm	340mm	78mm	6426
95mm	240mm	55mm	6419
110mm	280mm	65mm	6422
20mm	32mm	7mm	6804
17mm	26mm	5mm	6803ZZ
17mm	26mm	5mm	6803Z
17mm	26mm	5mm	6803LU
17mm	26mm	5mm	6803LLU
17mm	26mm	5mm	6803LLB
17mm	26mm	5mm	6803LB
17mm	26mm	5mm	6803A
15mm	24mm	5mm	6802ZZ
15mm	24mm	5mm	6802Z
15mm	24mm	5mm	6802LU
15mm	24mm	5mm	6802LLU
15mm	24mm	5mm	6802LLB
15mm	24mm	5mm	6802LB
15mm	24mm	5mm	6802
12mm	21mm	5mm	6801ZZ