詳細(xì)信息
軸承代號: NACHI 7313DB - 角接觸球軸承（背對背DB）
軸承尺寸
d = 65D = 140
B = 33
a = 13.1
da1(min) = 77
da2(min) = 72
Da1(max) = 128
Da2(max) = 133
ra(max) = 2
ra1(max) = 1
Mass = 2.22
額定動負(fù)荷: 180000
額定靜負(fù)荷: 165000
極限轉(zhuǎn)速（潤滑脂潤滑）: 3600
極限轉(zhuǎn)速（油潤滑）: 4700
