31300 Series
(21)
CATALOGUES - Roller Bearing - Tapered Roller Bearing - 31300 Series - 31307J2/Q
31300 Series
31300 Series
Dimension and Parameters
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Designation :31307J2/Q
- Principal dimensions（mm）
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d1 :35
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D :80
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B :22,75
- Basic load ratings（KN）
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dyc(Cr) :71
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stc(Cor) :67
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Pu :7,8
- Speed ratings（rpm）
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Speed Ratings :6300
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Limiting Speed :8500
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Weight(Kg) :0,52
- ISO335
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Dimensions (ABMA) :7FB
- Dimensions （mm）
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d :35
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d1～ :59,6
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B :21
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C :15
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r1,2(min) :2
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r3,4(min) :1,5
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a :25
- Abutment and fillet dimensions （mm）
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da(max) :45
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db(min) :44
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Da(min) :62
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Da(max) :71
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Db(min) :76
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Ca(min) :3
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Cb(min) :7,5
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ra(max) :2
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rb(max) :1,5
- Value
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e :0,83
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Y :0,72
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Yo :0,4
