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NTN 17580/17520 is an inch series tapered roller bearing set consisting of cone 17580 and cup 17520. It features a straight bore and is designed for single-row applications requiring high radial and axial load capacity. Common in automotive and industrial gearbox applications.
MODEL 17580/17520
$25.34 Each
Prices are subject to change
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a (Effective Load Center)
-0.2300 in
B (in)
0.6250
Bore Type
Round
Bore type
Round
Cone Number
17580
Configuration
One
Cup Number
17520
D (in)
1.6875
Dynamic Load Rating
6000 lbf
Dynamic load rating
6000 lbf
e (Axial Load Factor)
0.33
Enclosure
Open
I.D.
0.625 in
Lubrication
w/o Oil Hole
Material
Case carburized steel
O.D.
1.6875 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)
0.06
r (in)
0.0600
Static Load Rating
5850 lbf
Static load rating
5850 lbf
Style
Cone & cup
Type
Tapered Roller Bearing
U
0.91 in
V
0.83 in
W
0.6563 in
Wi
0.6563 in
Wo
0.5313 in
X
1.54 in
Y2 (Axial Load Factor)
1.81
Z
1.44 in
Technical Specifications
Type | Tapered Roller Bearing |
|---|---|
Bore Type | Round |
Material | Case Carburized Steel |
Style | Cone & Cup |
Precision Rating | Class 4 |
Cone Number | 17580 |
Cup Number | 17520 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.33 |
Y2 (Axial Load Factor) | 1.81 |
Static Load Rating | 5850 lbf26000 N26.00 kN |
Dynamic Load Rating | 6000 lbf26700 N26.70 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 0.6250 in15.875 mm |
|---|---|
D | 1.6875 in42.863 mm |
Wo | 0.5313 in13.495 mm |
Wi | 0.6563 in16.670 mm |
W | 0.6563 in16.670 mm |
r | 0.0600 in1.500 mm |
R | 0.06 in1.5 mm |
a (Effective Load Center) | -0.2300 in-5.800 mm |
U | 0.91 in23.0 mm |
V | 0.83 in21.0 mm |
X | 1.54 in39.0 mm |
Z | 1.44 in36.5 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.
