We never sell your data to third parties
NTN 48393/48320 is an inch series single row tapered roller bearing with a straight bore. This bearing set includes cone 48393 and cup 48320, designed for high radial and axial load capacity in industrial gearboxes, axle housings, and heavy machinery.
MODEL 48393/48320
$253.42 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)
-0.1600 in
B (in)
5.3750
Bore Type
Round
Bore type
Round
Cone Number
48393
Configuration
One
Cup Number
48320
D (in)
7.5000
Dynamic Load Rating
58500 lbf
Dynamic load rating
58500 lbf
e (Axial Load Factor)
0.32
Enclosure
Open
I.D.
5.375 in
Lubrication
w/o Oil Hole
Material
Case carburized steel
O.D.
7.5 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision Rating
Class 2
Precision rating
Class 2
R (in)
0.14
r (in)
0.1300
Static Load Rating
123000 lbf
Static load rating
123000 lbf
Style
Cone & cup
Type
Tapered Roller Bearing
U
5.94 in
V
5.67 in
W
1.5625 in
Wi
1.5625 in
Wo
1.3125 in
X
7.24 in
Y2 (Axial Load Factor)
1.87
Z
6.97 in
Technical Specifications
Type | Tapered Roller Bearing |
|---|---|
Bore Type | Round |
Material | Case Carburized Steel |
Style | Cone & Cup |
Precision Rating | Class 2 |
Cone Number | 48393 |
Cup Number | 48320 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.32 |
Y2 (Axial Load Factor) | 1.87 |
Static Load Rating | 123000 lbf545000 N545.00 kN |
Dynamic Load Rating | 58500 lbf261000 N261.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 5.3750 in136.525 mm |
|---|---|
D | 7.5000 in190.500 mm |
Wo | 1.3125 in33.338 mm |
Wi | 1.5625 in39.688 mm |
W | 1.5625 in39.688 mm |
r | 0.1300 in3.300 mm |
R | 0.14 in3.5 mm |
a (Effective Load Center) | -0.1600 in-4.100 mm |
U | 5.94 in151.0 mm |
V | 5.67 in144.0 mm |
X | 7.24 in184.0 mm |
Z | 6.97 in177.0 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 | Cleveland |
| Model | C31969 |
| Brand | Chicago-Latrobe |
| Model | 45258 |
