We never sell your data to third parties
NTN 18790/18720 inch series tapered roller bearing set consisting of cone 18790 and cup 18720. Straight bore, open enclosure, case carburized steel construction. Single-row design for high radial and axial load capacity in industrial applications.
MODEL 18790/18720
$33.56 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
Select Quantity
Typically Ships in: 1 day
Returnable:No
a (Effective Load Center)
-0.0300 in
B (in)
2.0000
Bore Type
Round
Bore type
Round
Cone Number
18790
Configuration
One
Cup Number
18720
D (in)
3.3465
Dynamic Load Rating
11100 lbf
Dynamic load rating
11100 lbf
e (Axial Load Factor)
0.41
Enclosure
Open
I.D.
2 in
Lubrication
w/o Oil Hole
Material
Case carburized steel
O.D.
3.3465 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)
0.14
r (in)
0.0600
Static Load Rating
14600 lbf
Static load rating
14600 lbf
Style
Cone & cup
Type
Tapered Roller Bearing
U
2.44 in
V
2.20 in
W
0.6875 in
Wi
0.6875 in
Wo
0.5313 in
X
3.15 in
Y2 (Axial Load Factor)
1.48
Z
3.03 in
Technical Specifications
Type | Tapered Roller Bearing |
|---|---|
Bore Type | Round |
Material | Case Carburized Steel |
Style | Cone & Cup |
Precision Rating | Class 4 |
Cone Number | 18790 |
Cup Number | 18720 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.41 |
Y2 (Axial Load Factor) | 1.48 |
Static Load Rating | 14600 lbf65000 N65.00 kN |
Dynamic Load Rating | 11100 lbf49500 N49.50 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 2.0000 in50.800 mm |
|---|---|
D | 3.3465 in85.001 mm |
Wo | 0.5313 in13.495 mm |
Wi | 0.6875 in17.462 mm |
W | 0.6875 in17.462 mm |
r | 0.0600 in1.500 mm |
R | 0.14 in3.5 mm |
a (Effective Load Center) | -0.0300 in-0.800 mm |
U | 2.44 in62.0 mm |
V | 2.20 in56.0 mm |
X | 3.15 in80.0 mm |
Z | 3.03 in77.0 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 | MROSupply Fasteners |
| Model | FSTPCK-656012 |
| Brand | Guardair |
| Model | INF5048AA |
| Brand | MROSupply Fasteners |
| Model | FSTPCK-588319 |
| Brand | Martin Sprocket |
| Model | 2 5V 975 TB |
| Brand | Smith Bearings |
| Model | IRR-1-1/4 |