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Tapered Roller Bearing
Dimension and Parameters
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Pu
73.5
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Weight
12.5
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Designation
31318T103J2/DB31
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- Principal dimensions (mm)
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d
90
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D
190
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T
103
- Basic load ratings KN
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dyc Cr
457
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stc Cor
630
- Speed ratings rpm
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Speed Ratings
1900
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Limiting Speed
3400
- Dimensions mm
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d
90
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d 1 ~
138
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C
70
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r 1,2 Min
4
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r 5 Min
1
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a
124
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Cb Min
16.5
- Abutment and fillet dimensions mm
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d b Max
105
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Db Min
179
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r a Max
3
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r c Max
1
- Value
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e
0.83
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Y1
0.81
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Y2
1.2
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Yo
0.8