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Part Number HM265011
Part Number HM265011, Tapered Roller Bearings - Single Cups - Imperial
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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.
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Specifications
·
Dimensions
·
Abutment and Fillet Dimensions
·
Factors
Specifications
Series
HM265000
Cup Part Number
HM265011
Design Units
Imperial
Dimensions
D - Cup Outer Diameter
20.7037
in
525.874
mm
C - Cup Width
3.125
in
79.375
mm
Abutment and Fillet Dimensions
r - Cup Backface "To Clear" Radius
1
0.250
in
6.35
mm
Da - Cup Frontface Backing Diameter
19.63
in
498.10
mm
Db - Cup Backface Backing Diameter
19.21
in
487.93
mm
1
These maximum fillet radii will be cleared by the bearing corners.
Factors
e - ISO Factor
1
0.33
Cg - Geometry Factor
2
0.211
1
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2
Geometry constant for Lubrication Life Adjustment Factor a3l.
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DOWNLOADS
Tapered Roller Bearing Engineering Information
(PDF, 663KB)
Bearing Life Calculation Tool
Bearing Dimensional Tolerances
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