詳細信息
軸承代號: NACHI 7221BDB - 角接觸球軸承(背對背DB)
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
額定動負荷: 239000
額定靜負荷: 267000
極限轉速(潤滑脂潤滑): 2100
極限轉速(油潤滑): 2900