詳細(xì)信息
軸承代號(hào): NACHI 7308BDB - 角接觸球軸承（背對(duì)背DB）
軸承尺寸
d = 40D = 90
B = 23
a = 15.8
da1(min) = 49
da2(min) = 45
Da1(max) = 81
Da2(max) = 84.6
ra(max) = 1.5
ra1(max) = 1
Mass = 0.655
額定動(dòng)負(fù)荷: 75000
額定靜負(fù)荷: 62500
極限轉(zhuǎn)速（潤(rùn)滑脂潤(rùn)滑）: 5000
極限轉(zhuǎn)速（油潤(rùn)滑）: 6700
