All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cups > Tapered Roller Bearings - Single Cups - Metric > Part Number JLM704611  

Part Number JLM704611, Tapered Roller Bearings - Single Cups - Metric

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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.




Specifications  · Dimensions  · Abutment and Fillet Dimensions  · Factors

Specifications

Series
LM704600

Cup Part Number
JLM704611

Design Units
METRIC


Dimensions

D - Cup Outer Diameter
84.000 mm
3.3071 in

C - Cup Width
19.500 mm
0.7677 in


Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius1
1.52 mm
0.06 in

Da - Cup Frontface Backing Diameter
80.77 mm
3.18 in

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


Factors

K - Factor1
1.34

e - ISO Factor2
0.44

Y - ISO Factor3
1.37

G1 - Heat Generation Factor (Roller-Raceway)
35.6

G2 - Heat Generation Factor (Rib-Roller End)
16.7

Cg - Geometry Factor4
0.0876
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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Tapered Roller Bearing Engineering Information
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Bearing Life Calculation Tool

Bearing Dimensional Tolerances