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99600/99100
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.
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Unit of Measure
Specifications
|
Series |
99000 |
|
Cone Part Number |
99600 |
|
Cup Part Number |
99100 |
|
Design Units |
Imperial |
|
Bearing Weight |
12.5 Kg27.5 lb |
|
Cage Type |
Stamped Steel |
Dimensions
|
d - Bore |
152.400 mm6.0000 in |
|
D - Cup Outer Diameter |
254.000 mm10.0000 in |
|
B - Cone Width |
66.675 mm2.6250 in |
|
C - Cup Width |
47.625 mm1.8750 in |
|
T - Bearing Width |
66.675 mm2.6250 in |
Abutment and Fillet Dimensions
|
R - Cone Backface "To Clear" Radius1 |
7.110 mm0.280 in |
|
r - Cup Backface "To Clear" Radius2 |
3.3 mm0.130 in |
|
da - Cone Frontface Backing Diameter |
169.67 mm7.5 in |
|
db - Cone Backface Backing Diameter |
181.1 mm7.13 in |
|
Da - Cup Frontface Backing Diameter |
238.30 mm9.38 in |
|
Db - Cup Backface Backing Diameter |
227.08 mm8.94 in |
|
Ab - Cage-Cone Frontface Clearance |
4.8 mm0.19 in |
|
Aa - Cage-Cone Backface Clearance |
8.6 mm0.34 in |
|
a - Effective Center Location3 |
-12.2 mm-0.48 in |
Basic Load Ratings
|
C90 - Dynamic Radial Rating (90 million revolutions)4 |
38500 lbf171000 N |
|
C1 - Dynamic Radial Rating (1 million revolutions)5 |
148000 lbf660000 N |
|
C0 - Static Radial Rating |
231000 lbf1030000 N |
|
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
26800 lbf119000 N |
Factors
|
K - Factor7 |
1.43 |
|
e - ISO Factor8 |
0.41 |
|
Y - ISO Factor9 |
1.47 |
|
G1 - Heat Generation Factor (Roller-Raceway) |
556 |
|
G2 - Heat Generation Factor (Rib-Roller End) |
66.7 |
|
Cg - Geometry Factor10 |
0.146 |
· 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.
· 4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
· 5 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
· 6 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.
· 7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
· 8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
· 9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
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