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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TS (Tapered Single) > Tapered Roller Bearings - TS (Tapered Single) Imperial > Part Number H969249 - H969210  
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Part Number H969249 - H969210, Tapered Roller Bearings - TS (Tapered Single) Imperial


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.



Unit of Measure: Imperial Metric Both

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

Specifications

Series
H969200

Cone Part Number
H969249

Cup Part Number
H969210

Design Unit
Inch

Cage Material
Pin-Type

Related Assembly Number(s)
H969249-90011
H969249-902A5


Dimensions

d - Bore
16.0000 in
406.400 mm

D - Cup Outer Diameter
30.0000 in
762.000 mm

B - Cone Width
6.3750 in
161.925 mm

C - Cup Width
4.2500 in
107.950 mm

T - Bearing Width
7.1250 in
180.975 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.500 in
12.700 mm

r - Cup Backface "To Clear" Radius2
0.5 in
12.70 mm

da - Cone Frontface Backing Diameter
18.24 in
463.3 mm

db - Cone Backface Backing Diameter
20.2 in
513 mm

Da - Cup Frontface Backing Diameter
28.35 in
720.10 mm

Db - Cup Backface Backing Diameter
25.87 in
657.10 mm

Ab - Cage-Cone Frontface Clearance
0.94 in
23.88 mm

Aa - Cage-Cone Backface Clearance
1.03 in
26.16 mm

a - Effective Center Location3
3.12 in
79.2 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 (90 million revolutions)1
244000 lbf
1080000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
941000 lbf
4180000 N

C0 - Static Radial Rating
1540000 lbf
6840000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
391000 lbf
1740000 N
1 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 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 Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.


Factors

K - Factor1
0.62

e - ISO Factor2
0.94

Y - ISO Factor3
0.64

G1 - Heat Generation Factor (Roller-Raceway)
4610

G2 - Heat Generation Factor (Rib-Roller End)
207

Cg - Geometry Factor4
0.294
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.



 DOWNLOADS 

Tapered Roller Bearing Engineering Information
(PDF, 663KB)

Bearing Life Calculation Tool

Bearing Dimensional Tolerances



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