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Tapered Roller Bearings - Single Flanged Cups - Imperial
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Tapered Roller Bearings
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Tapered Roller Bearings - Single Cups
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Tapered Roller Bearings - Single Flanged Cups - Imperial
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Part Number 421437-B
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Part Number 421437-B, Tapered Roller Bearings - Single Flanged Cups - Imperial
Like the TS bearing design, the TSF design 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. TSF bearings have flanged cups to facilitate axial location and accurately align seals in through-bored housings.
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Unit of Measure:
Imperial
Metric
Both
Specifications
·
Dimensions
·
Abutment and Fillet Dimensions
·
Factors
Specifications
Series
420000
Cup Part Number
421437-B
Design Units
Imperial
Dimensions
D - Cup Outer Diameter
14.3720
in
365.049
mm
D1 - Flange Outer Diameter
14.8680
in
377.647
mm
C - Cup Width
2.5000
in
63.500
mm
C1 - Cup Flange Width
0.5000
in
12.700
mm
Abutment and Fillet Dimensions
r - Cup Backface "To Clear" Radius
1
0.130
in
3.30
mm
Da - Cup Frontface Backing Diameter
13.50
in
342.90
mm
1
These maximum fillet radii will be cleared by the bearing corners.
Factors
K - Factor
1
1.45
e - ISO Factor
2
0.4
Y - ISO Factor
3
1.49
G1 - Heat Generation Factor (Roller-Raceway)
28.9
G2 - Heat Generation Factor (Rib-Roller End)
13.1
Cg - Geometry Factor
4
0.145
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
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
4
Geometry constant for Lubrication Life Adjustment Factor a3l.
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The Timken Company. ©
The Timken Company.
©
The Timken Company.