詳細(xì)信息
軸承代號: NACHI 7238BDB - 角接觸球軸承（背對背DB）
軸承尺寸
d = 190D = 340
B = 55
a = 83.7
da1(min) = 208
da2(min) = 199
Da1(max) = 322
Da2(max) = 331
ra(max) = 3
ra1(max) = 1.5
Mass = 21.5
額定動負(fù)荷: 475000
額定靜負(fù)荷: 770000
極限轉(zhuǎn)速（潤滑脂潤滑）: 1100
極限轉(zhuǎn)速（油潤滑）: 1600
