CATALOGUES - Roller Bearing - Tapered Roller Bearing - 30300 Series - 30312J2/Q
Dimension and Parameters
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Designation :30312J2/Q
- Principal dimensions(mm)
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d1 :60
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D :130
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B :33,5
- Basic load ratings(KN)
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dyc(Cr) :168
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stc(Cor) :196
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Pu :23,6
- Speed ratings(rpm)
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Speed Ratings :4000
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Limiting Speed :5300
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Weight(Kg) :1,95
- ISO335
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Dimensions (ABMA) :2FB
- Dimensions (mm)
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d :60
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d1~ :91,9
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B :31
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C :26
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r1,2(min) :3
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r3,4(min) :2,5
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a :26
- Abutment and fillet dimensions (mm)
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da(max) :77
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db(min) :72
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Da(min) :112
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Da(max) :118
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Db(min) :120
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Ca(min) :5
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Cb(min) :7,5
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ra(max) :2,5
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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