詳細信息
軸承代號: NACHI 7307DB - 角接觸球軸承（背對背DB）
軸承尺寸
d = 35D = 80
B = 21
a = 6.1
da1(min) = 44
da2(min) = 40
Da1(max) = 71
Da2(max) = 74.6
ra(max) = 1.5
ra1(max) = 1
Mass = 0.475
額定動負荷: 65000
額定靜負荷: 52500
極限轉速（潤滑脂潤滑）: 6300
極限轉速（油潤滑）: 8500
