詳細(xì)信息
軸承代號: NACHI 7228 - 單列角接觸球軸承
軸承尺寸
d = 140D = 250
B = 42
a = 35.3
da1(min) = 154
da2(min) = 147
Da1(max) = 236
Da2(max) = 243
ra(max) = 2.5
ra1(max) = 1
Mass = 8.78
額定動負(fù)荷: 211000
額定靜負(fù)荷: 228000
極限轉(zhuǎn)速（潤滑脂潤滑）: 2200
極限轉(zhuǎn)速（油潤滑）: 3000
