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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cups > Tapered Roller Bearings - Single Cups - Imperial > Part Number 351687  
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Part Number 351687, Tapered Roller Bearings - Single Cups - Imperial


This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.



Unit of Measure: Imperial Metric Both

Specifications  · Dimensions  · Abutment and Fillet Dimensions  · Factors

Specifications

Series
350000

Cup Part Number
351687

Design Units
Imperial


Dimensions

D - Cup Outer Diameter
16.8750 in
428.625 mm

C - Cup Width
2.4375 in
61.913 mm


Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius1
0.250 in
6.35 mm

Da - Cup Frontface Backing Diameter
15.10 in
383.54 mm

Db - Cup Backface Backing Diameter
14.37 in
365.00 mm
1 These maximum fillet radii will be cleared by the bearing corners.


Factors

e - ISO Factor1
0.76

Y - ISO Factor2
0.79

Cg - Geometry Factor3
0.157
1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
3 Geometry constant for Lubrication Life Adjustment Factor a3l.



 DOWNLOADS 

Tapered Roller Bearing Engineering Information
(PDF, 663KB)

Bearing Life Calculation Tool

Bearing Dimensional Tolerances


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