詳細(xì)信息
軸承代號: NACHI 7340DB - 角接觸球軸承（背對背DB）
軸承尺寸
d = 200D = 420
B = 80
a = 49.5
da1(min) = 222
da2(min) = 210
Da1(max) = 398
Da2(max) = 410
ra(max) = 4
ra1(max) = 2
Mass = 53.7
額定動負(fù)荷: 770000
額定靜負(fù)荷: 1310000
極限轉(zhuǎn)速（潤滑脂潤滑）: 1100
極限轉(zhuǎn)速（油潤滑）: 1400
