詳細(xì)信息
軸承代號(hào): NACHI 7220BDF - 角接觸球軸承（面對(duì)面DF）
軸承尺寸
d = 100D = 180
B = 34
a = 41.8
da1(min) = 112
da2(min) = 107
Da1(max) = 168
Da2(max) = 173
ra(max) = 2
ra1(max) = 1
Mass = 3.32
額定動(dòng)負(fù)荷: 219000
額定靜負(fù)荷: 237000
極限轉(zhuǎn)速（潤(rùn)滑脂潤(rùn)滑）: 2200
極限轉(zhuǎn)速（油潤(rùn)滑）: 3000
