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6217N軸承 6212NR軸承 S6211軸承 6212-2Z軸承 6211-2NSE軸承 6218N軸承 6210/HR22T2軸承 6213軸承 6211ZE軸承 6215軸承 

NACHI621/612軸承_進口軸承

軸承代號: NACHI 621/612 - 英制圓錐滾子軸承

軸承尺寸

d = 53.975
D = 120.65
B = 41.275
T = 41.275
C = 31.75
a = 26.9
da(min) = 70
db(max) = 63
Da(min) = 105
Db(min) = 110
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 621
Mass(Cup) = 612

額定動負荷: 163000
額定靜負荷: 198000
極限轉速(潤滑脂潤滑): 3300
極限轉速(油潤滑) 4400

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