詳細信息
軸承代號: NACHI 7228DB - 角接觸球軸承(背對背DB)
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
額定動負荷: 345000
額定靜負荷: 525000
極限轉速(潤滑脂潤滑): 1800
極限轉速(油潤滑): 2400