30300 Series
(25)
CATALOGUES - Roller Bearing - Tapered Roller Bearing - 30300 Series - 30311J2/Q
30300 Series
30300 Series
Dimension and Parameters
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Designation :30311J2/Q
- Principal dimensions（mm）
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d1 :55
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D :120
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B :31,5
- Basic load ratings（KN）
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dyc(Cr) :166
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stc(Cor) :163
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Pu :19,3
- Speed ratings（rpm）
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Speed Ratings :4800
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Limiting Speed :5600
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Weight(Kg) :1,55
- ISO335
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Dimensions (ABMA) :2FB
- Dimensions （mm）
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d :55
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d1～ :84
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B :29
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C :25
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r1,2(min) :2,5
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r3,4(min) :2
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a :24
- Abutment and fillet dimensions （mm）
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da(max) :71
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db(min) :65
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Da(min) :104
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Da(max) :112
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Db(min) :111
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Ca(min) :4
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Cb(min) :6,5
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ra(max) :2
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rb(max) :2
- Value
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e :0,35
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Y :1,7
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Yo :0,9
