詳細(xì)信息
軸承代號: NACHI 7221B - 單列角接觸球軸承
軸承尺寸
d = 105D = 190
B = 36
a = 44
da1(min) = 117
da2(min) = 112
Da1(max) = 178
Da2(max) = 183
ra(max) = 2
ra1(max) = 1
Mass = 3.93
額定動負(fù)荷: 147000
額定靜負(fù)荷: 135000
極限轉(zhuǎn)速（潤滑脂潤滑）: 2700
極限轉(zhuǎn)速（油潤滑）: 3600
