詳細信息
軸承代號: NACHI 7338DB - 角接觸球軸承（背對背DB）
軸承尺寸
d = 190D = 400
B = 78
a = 46.1
da1(min) = 212
da2(min) = 200
Da1(max) = 378
Da2(max) = 390
ra(max) = 4
ra1(max) = 2
Mass = 47.6
額定動負荷: 725000
額定靜負荷: 1220000
極限轉速（潤滑脂潤滑）: 1100
極限轉速（油潤滑）: 1500
