Part Number EE244180 - 244236CD, Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial On The Timken Company

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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TDO (Tapered Double Outer) > Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial > Part Number EE244180 - 244236CD


	Part Number EE244180 - 244236CD, Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial

The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore.

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Unit of Measure: Imperial Metric Both

Specifications · Dimensions · Abutment and Fillet Dimensions · Basic Load Ratings · Factors

Specifications

Series		244000

Cone Part Number		EE244180

Cup Part Number		244236CD

Design Unit		Inch

Cage Material		Stamped Steel

Related Assembly Number(s)		EE244180-90083 EE244180-90084 EE244180-90085 EE244180-90086 EE244180-90087 EE244180-90088 EE244180-90095 EE244180-90096 EE244180-90097 EE244180-90099 EE244180-90100 EE244180-90103 EE244180-90104 EE244180-90105 EE244180-902A4 EE244180-902A6 EE244180-902A7 EE244180-902A8 EE244180-902B1 EE244180-902B2 EE244180-902B3

Dimensions

d - Bore		18.0000 in 457.200 mm

D - Cup Outer Diameter		23.5000 in 596.9 mm

B - Cone Width		2.875 in 73.025 mm

C - Double Cup Width		4.7500 in 120.650 mm

T - Bearing Width across Cones		6.4999 in 165.097 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius¹

0.380 in
9.700 mm

r - Cup Backface "To Clear" Radius²

0.06 in
1.5 mm

db - Cone Backface Backing Diameter

19.45 in
494 mm

Da - Cup Frontface Backing Diameter

22.48 in
570.74 mm

Aa - Cage-Cone Backface Clearance

0.49 in
12.4 mm

a - Effective Center Location³

1.05 in
26.7 mm

¹ These maximum fillet radii will be cleared by the bearing corners.
² These maximum fillet radii will be cleared by the bearing corners.
³ Negative value indicates effective center inside cone backface.

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)¹

82400 lbf
367000 N

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)²

554000 lbf
2460000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)³

144000 lbf
639000 N

C_a90 - Dynamic Thrust Rating (90 million revolutions)⁴

57100 lbf
254000 N

¹ Based on 90 x 10⁶ revolutions L₁₀ life, for The Timken Company life calculation method. C₉₀ and C_a90 are radial and thrust values.
² Based on 1 x 10⁶ revolutions L₁₀ life, for the ISO life calculation method.
³ Based on 90 x 10⁶ revolutions L₁₀ life, for The Timken Company life calculation method. C₉₀ and C_a90 are radial and thrust values for a single-row, C₉₀₍₂₎ is the two-row radial value.
⁴ Based on 90 x 10⁶ revolutions L₁₀ life, for The Timken Company life calculation method. C₉₀ and C_a90 are radial and thrust values for a single-row, C₉₀₍₂₎ is the two-row radial value.

Factors

K - Factor¹

1.44

e - ISO Factor²

0.4

Y1 - ISO Factor³

1.67

Y2 - ISO Factor⁴

2.48

Cg - Geometry Factor⁵

0.223

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 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
⁵ Geometry constant for Lubrication Life Adjustment Factor a3l.

MORE IMAGES


	· Timken_TRB_2ROWASSY_TDO_438-90092-A

	· Timken_TRB_2ROWASSY_TDO_438-90092-A3

	· Timken_TRB_2ROWASSY_TDO_438-90092-T2

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		Bearing Life Calculation Tool

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		Tools and Guides for Engineers

Part Number EE244180 - 244236CD, Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial

Series

Cone Part Number

Cup Part Number

Design Unit

Cage Material

Related Assembly Number(s)

d - Bore

D - Cup Outer Diameter

B - Cone Width

C - Double Cup Width

T - Bearing Width across Cones

R - Cone Backface "To Clear" Radius1

r - Cup Backface "To Clear" Radius2

db - Cone Backface Backing Diameter

Da - Cup Frontface Backing Diameter

Aa - Cage-Cone Backface Clearance

a - Effective Center Location3

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)1

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3

Ca90 - Dynamic Thrust Rating (90 million revolutions)4

K - Factor1

e - ISO Factor2

Y1 - ISO Factor3

Y2 - ISO Factor4

Cg - Geometry Factor5