詳細(xì)信息
軸承代號(hào): NACHI 7210BDF - 角接觸球軸承（面對(duì)面DF）
軸承尺寸
d = 50D = 90
B = 20
a = 19.4
da1(min) = 57
da2(min) = 55
Da1(max) = 83
Da2(max) = 85
ra(max) = 1
ra1(max) = 0.6
Mass = 0.485
額定動(dòng)負(fù)荷: 63000
額定靜負(fù)荷: 59000
極限轉(zhuǎn)速（潤(rùn)滑脂潤(rùn)滑）: 4500
極限轉(zhuǎn)速（油潤(rùn)滑）: 6000
