| 角接触球轴承, 精密, ACD, contact angle 25°, hybrid, super-precision | |||||||||||
| 公差 , see also text / text 718 (SEA) series | |||||||||||
| 预压, see specific product, see also text, unmounted, and text, mounted / text 718 (SEA) series | |||||||||||
| Recommended fits, shafts, housings | |||||||||||
| 轴和轴承座公差 | |||||||||||
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| 主要数据尺寸 | 基本负荷额定值 | 疲劳负荷限值 | 可达到的速度 | 体积 | 型号 | ||||||
| 动态 | 静态 | 当润滑与 | SKF | SNFA | |||||||
| 油脂 | 滴油润滑 | Listing of both SKF and SNFA designations means that | |||||||||
| d | D | B | C | C0 | Pu | ||||||
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| mm | kN | kN | r/min | kg | - | ||||||
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| 20 | 32 | 7 | 3,64 | 2,5 | 0,106 | 48000 | 75000 | 0,017 | 71804 ACD/HCP4 | SEA20 /NS 7CE3 | |