R073122545、R073123045、R073125045内装式密封
 | |||||||
Ød | mm | R0731 220 45 | R0731 225 45 | R0731 230 45 | R0731 240 45 | R0731 250 45 | |
D | mm | 32mm | 40mm | 47mm | 62mm | 75mm | |
α | ° | 60mm | |||||
C | h13 | mm | 45mm | 58mm | 68mm | 80mm | 100mm |
C1 | H13 | mm | 31.2mm | 43.7mm | 51.7mm | 60.3mm | 77.3mm |
C2 | mm | 1.6mm | 1.85mm | 2.15mm | 2.65mm | ||
D1 | mm | 30.5mm | 38.5mm | 44.5mm | 59mm | 72mm | |
E 1) | mm | 9.5mm | 12mm | 12.8mm | 16.8mm | 22.1mm | |
K2 | mm | 1.3mm | 2mm | 7mm | 9.5mm | 10mm | |
K3 | mm | 14.7mm | 18.5mm | 21mm | 27.5mm | 33.5mm | |
S3 2) | 3 mm +0.1 | 3.5 mm +0.1 | 4.5 mm +0.1 | ||||
| 1)一个密封圈：乘以系数 0.5.2)两端带内装式密封圈的滚珠导套在无径向载荷作用时的摩擦力从表中查取。摩擦力取决于速度和润滑情况。3)用于整体密封的滚珠导套4)在采用油润滑时未密封滚珠导套的摩擦系数。高负载时的摩擦系数最小；但是，微小载荷时的摩擦系数可能大于所给出的数值。 | |||||||
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