Timken HM807040 Tapered Roller Bearing 1 3/4″ ID x 4.1250″ OD x 1.4375″ Wide
Specifications:
Condition: New
Brand: Timken
Model: HM807040
MPN: none
Series: | Revision: | Firmware:
Description: Tapered Roller Bearing
Capacity: 1 3/4″ ID x 4.1250″ OD x 1.4375″ Wide
Origin: USA
UPC: 053893693514
Notes: From MFG:
Specifications
Series
HM807000
Cone Part Number
HM807040
Cup Part Number
HM807010
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d – Bore
1 3/4 in
44.450 mm
D – Cup Outer Diameter
4.1250 in
104.775 mm
B – Cone Width
1.4375 in
36.513 mm
C – Cup Width
1.1250 in
28.575 mm
T – Bearing Width
1.4375 in
36.513 mm
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1
0.14 in
3.600 mm
r – Cup Backface “To Clear” Radius2
0.13 in
3.3 mm
da – Cone Frontface Backing Diameter
2.32 in
59 mm
db – Cone Backface Backing Diameter
2.6 in
66 mm
Da – Cup Frontface Backing Diameter
3.96 in
100.10 mm
Db – Cup Backface Backing Diameter
3.50 in
88.90 mm
Ab – Cage-Cone Frontface Clearance
0.1 in
2.5 mm
Aa – Cage-Cone Backface Clearance
0.12 in
3 mm
a – Effective Center Location3
-0.29 in
-7.4 mm
Basic Load Ratings
C90 – Dynamic Radial Rating (90 million revolutions)4
11900 lbf
52700 N
C1 – Dynamic Radial Rating (1 million revolutions)5
45700 lbf
203000 N
C0 – Static Radial Rating
50200 lbf
223000 N
Ca90 – Dynamic Thrust Rating (90 million revolutions)6
9890 lbf
44000 N
Factors
K – Factor7
1.2
e – ISO Factor8
0.49
Y – ISO Factor9
1.23
Cg – Geometry Factor10
0.0760
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.
10 Geometry constant for Lubrication Life Adjustment Factor a3l.
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