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NTN 46792/46720 inch series tapered roller bearing, straight bore, open enclosure. Constructed from case carburized steel for heavy radial and axial loads in industrial gearboxes and axle housings.
MODEL 46792/46720
$660.76 Each
Prices are subject to change
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Returnable:No
a (Effective Load Center)
0.1000 in
B (in)
6.5625
Bore Type
Round
Bore type
Round
Cone Number
46792
Configuration
One
Cup Number
46720
D (in)
8.8750
Dynamic Load Rating
63000 lbf
Dynamic load rating
63000 lbf
e (Axial Load Factor)
0.38
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 2
Precision rating
Class 2
r (in)
0.1300
Static Load Rating
143000 lbf
Static load rating
143000 lbf
Style
Cone & cup
Type
Tapered Roller Bearing
U
7.17 in
V
6.89 in
W
1.6250 in
Wi
1.5625 in
Width
1.625
Wo
1.3125 in
X
8.58 in
Y2 (Axial Load Factor)
1.57
Z
8.23 in
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Case Carburized Steel |
Style | Cone & Cup |
Precision Rating | Class 2 |
Cone Number | 46792 |
Cup Number | 46720 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.38 |
Y2 (Axial Load Factor) | 1.57 |
Static Load Rating | 143000 lbf635000 N635.00 kN |
Dynamic Load Rating | 63000 lbf280000 N280.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 6.5625 in166.688 mm |
D | 8.8750 in225.425 mm |
Wo | 1.3125 in33.338 mm |
Wi | 1.5625 in39.688 mm |
W | 1.6250 in41.275 mm |
r | 0.1300 in3.300 mm |
a (Effective Load Center) | 0.1000 in2.500 mm |
U | 7.17 in182.0 mm |
V | 6.89 in175.0 mm |
X | 8.58 in218.0 mm |
Z | 8.23 in209.0 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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