Timken 08125 Tapered Roller Bearing Single Cone 1 1/4″ ID x 1.42″ to 1.48″ OD x 0.5937″ Wide
Specifications:
Condition: New
Brand: Timken
Model: 08125
MPN: none
Series: | Revision: | Firmware:
Description: Tapered Roller Bearing Single Cone
Capacity: 1 1/4″ ID x 1.42″ to 1.48″ OD x 0.5937″ Wide
Origin: USA
UPC: 053893167923
Notes: From MFG:
Specifications
Series
08000
Cone Part Number
08125
Design Units
Imperial
Cage Type
Stamped Steel
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)1
12400 lbf
55200 N
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)2
3220 lbf
14300 N
Dimensions
d – Cone Bore
1 1/4 in
31.750 mm
B – Cone Width
0.5937 in
15.080 mm
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius3
0.04 in
1 mm
da – Cone Frontface Backing Diameter
1.42 in
36 mm
db – Cone Backface Backing Diameter
1.48 in
37.5 mm
Ab – Cage-Cone Frontface Clearance
0.07 in
1.8 mm
Aa – Cage-Cone Backface Clearance
0.02 in
0.5 mm
a – Effective Center Location4
-0.05 in
-1.3 mm
Basic Load Ratings
C90 – Dynamic Radial Rating (90 million revolutions)5
1850 lbf
8220 N
C1 – Dynamic Radial Rating (1 million revolutions)6
7130 lbf
31700 N
C0 – Static Radial Rating
7880 lbf
35000 N
Ca90 – Dynamic Thrust Rating (90 million revolutions)7
1500 lbf
6670 N
Factors
K – Factor8
1.23
G1 – Heat Generation Factor (Roller-Raceway)
10.7
G2 – Heat Generation Factor (Rib-Roller End)
10.6
Cg – Geometry Factor9
0.0601
1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
2 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.
3 These maximum fillet radii will be cleared by the bearing corners.
4 Negative value indicates effective center inside cone backface.
5 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
6 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
7 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.
8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
9 Geometry constant for Lubrication Life Adjustment Factor a3l.
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