詳細(xì)信息
軸承代號: NACHI 7230BDB - 角接觸球軸承（背對背DB）
軸承尺寸
d = 150D = 270
B = 45
a = 65.6
da1(min) = 164
da2(min) = 157
Da1(max) = 256
Da2(max) = 263
ra(max) = 2.5
ra1(max) = 1
Mass = 11
額定動負(fù)荷: 360000
額定靜負(fù)荷: 490000
極限轉(zhuǎn)速（潤滑脂潤滑）: 1500
極限轉(zhuǎn)速（油潤滑）: 2000
