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The NTN JHM522649/JHM522610 is an inch series tapered roller bearing set consisting of cone JHM522649 and cup JHM522610. It features a straight bore, open enclosure, and case carburized steel construction for durability under heavy radial and axial loads. Suitable for industrial gearboxes, axle housings, and other high-load applications.
MODEL JHM522649/JHM522610
$353.89 Each
Prices are subject to change
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Returnable: See conditions
a (Effective Load Center)
-0.2300 in
B (in)
4.3307
Bore type
Round
Bore Type
Round
Cone Number
JHM522649
Configuration
One
Cup Number
JHM522610
D (in)
7.0866
Dynamic load rating
75500 lbf
Dynamic Load Rating
75500 lbf
e (Axial Load Factor)
0.41
Enclosure
Open
Lubrication
w/o Oil Hole
Material
Case Carburized Steel
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Precision rating
Class N
Precision Rating
Class N
R (in)
0.12
r (in)
0.1000
Static load rating
123000 lbf
Static Load Rating
123000 lbf
Style
Cone & Cup
Type
Tapered Roller Bearing
U
5.00 in
V
4.80 in
W
1.8504 in
Wi
1.8110 in
Wo
1.4961 in
X
6.77 in
Y2 (Axial Load Factor)
1.48
Z
6.38 in
Technical Specifications
Type | Tapered Roller Bearing |
|---|---|
Bore Type | Round |
Material | Case Carburized Steel |
Style | Cone & Cup |
Precision Rating | Class N |
Cone Number | JHM522649 |
Cup Number | JHM522610 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.41 |
Y2 (Axial Load Factor) | 1.48 |
Static Load Rating | 123000 lbf545000 N545.00 kN |
Dynamic Load Rating | 75500 lbf335000 N335.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 4.3307 in110.000 mm |
|---|---|
D | 7.0866 in180.000 mm |
Wo | 1.4961 in38.000 mm |
Wi | 1.8110 in46.000 mm |
W | 1.8504 in47.000 mm |
r | 0.1000 in2.500 mm |
R | 0.12 in3.0 mm |
a (Effective Load Center) | -0.2300 in-5.800 mm |
U | 5.00 in127.0 mm |
V | 4.80 in122.0 mm |
X | 6.77 in172.0 mm |
Z | 6.38 in162.0 mm |
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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