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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 07087 - 07196  
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Part Number 07087 - 07196, 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
07000

Cone Part Number
07087

Cup Part Number
07196

Design Unit
Inch

Cage Material
Stamped Steel


Dimensions

d - Bore
0.8750 in
22.225 mm

D - Cup Outer Diameter
1.9687 in
50.005 mm

B - Cone Width
0.5614 in
14.260 mm

C - Cup Width
0.3750 in
9.525 mm

T - Bearing Width
0.5313 in
13.495 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.050 in
1.300 mm

r - Cup Backface "To Clear" Radius2
0.04 in
1.02 mm

da - Cone Frontface Backing Diameter
1.06 in
27 mm

db - Cone Backface Backing Diameter
1.12 in
28.5 mm

Da - Cup Frontface Backing Diameter
1.87 in
47.50 mm

Db - Cup Backface Backing Diameter
1.75 in
44.45 mm

Ab - Cage-Cone Frontface Clearance
0.08 in
2 mm

Aa - Cage-Cone Backface Clearance
0 in
0 mm

a - Effective Center Location3
-0.11 in
-2.8 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
1700 lbf
7550 N

C1 - Dynamic Radial Rating (1 million revolutions)2
6540 lbf
29100 N

C0 - Static Radial Rating
6650 lbf
29600 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
1170 lbf
5190 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
1.45

e - ISO Factor2
0.4

Y - ISO Factor3
1.49

G1 - Heat Generation Factor (Roller-Raceway)
7.6

G2 - Heat Generation Factor (Rib-Roller End)
7.1

Cg - Geometry Factor4
0.0509
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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