詳細信息
軸承代號: NACHI 7230DB - 角接觸球軸承（背對背DB）
軸承尺寸
d = 150D = 270
B = 45
a = 38.1
da1(min) = 164
da2(min) = 157
Da1(max) = 256
Da2(max) = 263
ra(max) = 2.5
ra1(max) = 1
Mass = 11
額定動負荷: 405000
額定靜負荷: 560000
極限轉速（潤滑脂潤滑）: 1600
極限轉速（油潤滑）: 2200
