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NTN HH949549/HH9#05 is an inch series tapered roller bearing with a straight bore and open design. Constructed from case carburized steel, it is designed for heavy-duty radial and axial load applications in industrial gearboxes and axle housings.
MODEL HH949549/HH9#05
$36,685.07 Each
Prices are subject to change
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Returnable:No
B (in)
9.0000
Bore Type
Round
Bore type
Round
Cone Number
HH949549
Configuration
Two
Cup Number
HH949510D
D (in)
19.2500
Dynamic Load Rating
605000 lbf
Dynamic load rating
605000 lbf
e (Axial Load Factor)
0.94
Enclosure
Open
I.D.
9 in
Lubrication
w/o Oil Hole
Material
Case carburized steel
O.D.
19.25 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision Rating
Class 4
Precision rating
Class 4
R (in)
0.25
r (in)
0.0600
Static Load Rating
1020000 lbf
Static load rating
1020000 lbf
Style
TDO
Type
Tapered Roller Bearing
Wi
10.0000 in
Width
10
Wo
6.0000 in
Y2 (Axial Load Factor)
1.07
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Case Carburized Steel |
Style | TDO |
Precision Rating | Class 4 |
Cone Number | HH949549 |
Cup Number | HH949510D |
Configuration | Two |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.94 |
Y2 (Axial Load Factor) | 1.07 |
Static Load Rating | 1020000 lbf4550000 N4550.00 kN |
Dynamic Load Rating | 605000 lbf2700000 N2700.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
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