詳細(xì)信息
軸承代號: NACHI 7234DB - 角接觸球軸承（背對背DB）
軸承尺寸
d = 170D = 310
B = 52
a = 43.3
da1(min) = 188
da2(min) = 179
Da1(max) = 292
Da2(max) = 301
ra(max) = 3
ra1(max) = 1.5
Mass = 17.4
額定動負(fù)荷: 440000
額定靜負(fù)荷: 660000
極限轉(zhuǎn)速（潤滑脂潤滑）: 1400
極限轉(zhuǎn)速（油潤滑）: 1900
