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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TS (Tapered Single) > Tapered Roller Bearings - TS (Tapered Single) Metric > Part Number 33117  
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Part Number 33117, Tapered Roller Bearings - TS (Tapered Single) Metric


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
33117

Cone Part Number
X33117

Cup Part Number
Y33117

Design Unit
Metric

Cage Material
Stamped Steel

Related Assembly Number(s)
33117-90KA1


Dimensions

d - Bore
85 mm
3.3465 in

D - Cup Outer Diameter
140 mm
5.5118 in

B - Cone Width
41 mm
1.6142 in

C - Cup Width
32.000 mm
1.2598 in

T - Bearing Width
41.000 mm
1.6142 in


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
2.540 mm
0.1 in

r - Cup Backface "To Clear" Radius2
2.03 mm
0.08 in

da - Cone Frontface Backing Diameter
96 mm
3.78 in

db - Cone Backface Backing Diameter
102 mm
4.02 in

Da - Cup Frontface Backing Diameter
134.90 mm
5.35 in

Db - Cup Backface Backing Diameter
125.98 mm
4.96 in

Ab - Cage-Cone Frontface Clearance
3.3 mm
0.13 in

Aa - Cage-Cone Backface Clearance
4.1 mm
0.16 in

a - Effective Center Location3
-8.1 mm
-0.32 in
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
65800 N
14800 lbf

C1 - Dynamic Radial Rating (1 million revolutions)2
254000 N
57100 lbf

C0 - Static Radial Rating
386000 N
86800 lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
45800 N
10300 lbf
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
1.44

e - ISO Factor2
0.41

Y - ISO Factor3
1.48

G1 - Heat Generation Factor (Roller-Raceway)
160.9

G2 - Heat Generation Factor (Rib-Roller End)
39.6

Cg - Geometry Factor4
0.0972
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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