詳細(xì)信息
軸承代號(hào): NACHI 7311DF - 角接觸球軸承（面對(duì)面DF）
軸承尺寸
d = 55D = 120
B = 29
a = 10.8
da1(min) = 65
da2(min) = 61
Da1(max) = 110
Da2(max) = 114
ra(max) = 2
ra1(max) = 1
Mass = 1.45
額定動(dòng)負(fù)荷: 139000
額定靜負(fù)荷: 123000
極限轉(zhuǎn)速（潤(rùn)滑脂潤(rùn)滑）: 4000
極限轉(zhuǎn)速（油潤(rùn)滑）: 5500
