詳細(xì)信息
軸承代號(hào): NACHI 7312BDB - 角接觸球軸承（背對(duì)背DB）
軸承尺寸
d = 60D = 130
B = 31
a = 24.4
da1(min) = 72
da2(min) = 67
Da1(max) = 118
Da2(max) = 123
ra(max) = 2
ra1(max) = 1
Mass = 1.81
額定動(dòng)負(fù)荷: 151000
額定靜負(fù)荷: 135000
極限轉(zhuǎn)速（潤(rùn)滑脂潤(rùn)滑）: 3400
極限轉(zhuǎn)速（油潤(rùn)滑）: 4500
