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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cups > Tapered Roller Bearings - Single Flanged Cups - Metric > Part Number JLM722912-B  
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Part Number JLM722912-B, Tapered Roller Bearings - Single Flanged Cups - Metric



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.



Unit of Measure: Imperial Metric Both

Specifications  · Dimensions  · Abutment and Fillet Dimensions  · Factors

Specifications

Series

LM722900

Cup Part Number

JLM722912-B

Design Units

METRIC

Full Timken Part Number

LM722900


Dimensions

D - Cup Outer Diameter

165 mm
6.4961
in

D1 - Flange Outer Diameter

172.000 mm
6.7717
in

C - Cup Width

21 mm
0.8268
in

C1 - Cup Flange Width

5.500 mm
0.2165
in


Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius1

3 mm
0.12
in

Da - Cup Frontface Backing Diameter

160.02 mm
6.34
in
1 These maximum fillet radii will be cleared by the bearing corners.


Factors

K - Factor1

1.27

e - ISO Factor2

0.46

Y - ISO Factor3

1.31

G1 - Heat Generation Factor (Roller-Raceway)

161

G2 - Heat Generation Factor (Rib-Roller End)

57.2

Cg - Geometry Factor4

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.


 MORE IMAGES 

·  TRB TSF Cup Line Drawing



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Bearing Life Calculation Tool

Bearing Dimensional Tolerances


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