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NTN JH211749/JH211710 single-row tapered roller bearing set in the inch series. Straight bore, open design, case carburized steel construction for durability under heavy radial and axial loads. Suitable for gearboxes, axle housings, and industrial machinery requiring separable bearing assemblies.
MODEL JH211749/JH211710
$175.78 Each
Prices are subject to change
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Returnable:No
a (Effective Load Center)
-0.4200 in
B (in)
2.5591
Bore Type
Round
Bore type
Round
Cone Number
JH211749
Configuration
One
Cup Number
JH211710
D (in)
4.7244
Dynamic Load Rating
45000 lbf
Dynamic load rating
45000 lbf
e (Axial Load Factor)
0.34
Enclosure
Open
Lubrication
w/o Oil Hole
Material
Case carburized steel
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision Rating
Class N
Precision rating
Class N
r (in)
0.1000
R (in)
0.12
Static Load Rating
63000 lbf
Static load rating
63000 lbf
Style
Cone & cup
Type
Tapered Roller Bearing
U
3.15 in
V
3.15 in
W
1.5354 in
Wi
1.5157 in
Wo
1.2598 in
X
4.49 in
Y2 (Axial Load Factor)
1.78
Z
4.21 in
Technical Specifications
Type | Tapered Roller Bearing |
|---|---|
Bore Type | Round |
Material | Case Carburized Steel |
Style | Cone & Cup |
Precision Rating | Class N |
Cone Number | JH211749 |
Cup Number | JH211710 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.34 |
Y2 (Axial Load Factor) | 1.78 |
Static Load Rating | 63000 lbf280000 N280.00 kN |
Dynamic Load Rating | 45000 lbf201000 N201.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 2.5591 in65.000 mm |
|---|---|
D | 4.7244 in120.000 mm |
Wo | 1.2598 in32.000 mm |
Wi | 1.5157 in38.500 mm |
W | 1.5354 in39.000 mm |
r | 0.1000 in2.500 mm |
R | 0.12 in3.0 mm |
a (Effective Load Center) | -0.4200 in-10.700 mm |
U | 3.15 in80.0 mm |
V | 3.15 in80.0 mm |
X | 4.49 in114.0 mm |
Z | 4.21 in107.0 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.
| Brand | NK North America Inc. |
| Model | K0150.550A43 |
