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NTN JM207049/JM207010 inch series tapered roller bearing set comprising cone JM207049 and cup JM207010. Straight bore, open design, case carburized steel construction. Single row bearing for moderate speed and load applications in gearboxes and industrial machinery.
MODEL JM207049/JM207010
$54.79 Each
Prices are subject to change
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Returnable:No
a (Effective Load Center)
-0.3000 in
B (in)
2.1654
Bore Type
Round
Bore type
Round
Cone Number
JM207049
Configuration
One
Cup Number
JM207010
D (in)
3.7402
Dynamic Load Rating
24100 lbf
Dynamic load rating
24100 lbf
e (Axial Load Factor)
0.33
Enclosure
Open
I.D.
2.1654 in
Lubrication
w/o Oil Hole
Material
Case carburized steel
O.D.
3.7402 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision Rating
Class N
Precision rating
Class N
R (in)
0.06
r (in)
0.1000
r1as max
0.0984 in
Static Load Rating
32500 lbf
Static load rating
32500 lbf
Style
Cone & cup
Type
Tapered Roller Bearing
U
2.52 in
V
2.44 in
W
1.1417 in
Wi
1.1417 in
Wo
0.9252 in
X
3.58 in
Y2 (Axial Load Factor)
1.79
Z
3.35 in
Technical Specifications
Type | Tapered Roller Bearing |
|---|---|
Bore Type | Round |
Material | Case Carburized Steel |
Style | Cone & Cup |
Precision Rating | Class N |
Cone Number | JM207049 |
Cup Number | JM207010 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.33 |
Y2 (Axial Load Factor) | 1.79 |
Static Load Rating | 32500 lbf144000 N144.00 kN |
Dynamic Load Rating | 24100 lbf107000 N107.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 2.1654 in55.000 mm |
|---|---|
D | 3.7402 in95.000 mm |
Wo | 0.9252 in23.500 mm |
Wi | 1.1417 in29.000 mm |
W | 1.1417 in29.000 mm |
r | 0.1000 in2.500 mm |
R | 0.06 in1.5 mm |
a (Effective Load Center) | -0.3000 in-7.600 mm |
U | 2.52 in64.0 mm |
V | 2.44 in62.0 mm |
X | 3.58 in91.0 mm |
Z | 3.35 in85.0 mm |
r1as max | 0.0984 in3.000 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.
