軸承代號: NACHI 5209NR - 帶止動環(huán)雙列角接觸球軸承
軸承尺寸
d = 45
D = 85
B = 30.2
D1(max) = 81.81
a(max) = 3.28
b(min) = 1.9
D2(max) = 91.6
f(min) = 1.7
da(min) = 52
Da(max) = 78
ra(max) = 1
Cy(max) = 4.7
Mass = 0.62
額定動負(fù)荷: 51000
額定靜負(fù)荷: 39000
極限轉(zhuǎn)速（潤滑脂潤滑）: 5500
極限轉(zhuǎn)速（油潤滑）: 7500
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