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NTN JH217249/JH217210 is a single-row tapered roller bearing with a straight bore and open enclosure. Constructed from case carburized steel, it is designed for heavy radial and axial loads in industrial gearboxes, vehicle wheel hubs, and axle housings.
MODEL JH217249/JH217210
$347.82 Each
Prices are subject to change
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Returnable:No
Bearing Type
Tapered roller bearing
Enclosure
Open
Height
5.906
Length
5.906
Material
Case carburized steel
Width
1.811
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Case Carburized Steel |
Style | Cone & Cup |
Precision Rating | Class N |
Cone Number | JH217249 |
Cup Number | JH217210 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.33 |
Y2 (Axial Load Factor) | 1.80 |
Static Load Rating | 98000 lbf435000 N435.00 kN |
Dynamic Load Rating | 66500 lbf296000 N296.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 3.3465 in85.000 mm |
D | 5.9055 in150.000 mm |
Wo | 1.4961 in38.000 mm |
Wi | 1.8110 in46.000 mm |
W | 1.8110 in46.000 mm |
r | 0.1000 in2.500 mm |
R | 0.12 in3.0 mm |
a (Effective Load Center) | -0.4700 in-11.900 mm |
U | 3.98 in101.0 mm |
V | 3.74 in95.0 mm |
X | 5.59 in142.0 mm |
Z | 5.28 in134.0 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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