詳細(xì)信息
軸承代號(hào): NACHI 7209BDB - 角接觸球軸承（背對(duì)背DB）
軸承尺寸
d = 45D = 85
B = 19
a = 17.8
da1(min) = 52
da2(min) = 50
Da1(max) = 78
Da2(max) = 80
ra(max) = 1
ra1(max) = 0.6
Mass = 0.43
額定動(dòng)負(fù)荷: 60500
額定靜負(fù)荷: 54000
極限轉(zhuǎn)速（潤(rùn)滑脂潤(rùn)滑）: 5000
極限轉(zhuǎn)速（油潤(rùn)滑）: 6700
