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NTN 423052 double row tapered roller bearing, inch series, straight bore. Unsealed design with steel cage. Handles heavy radial and axial loads in industrial gearboxes, rolling mills, and mining equipment.
MODEL 423052
$17,291.78 Each
Prices are subject to change
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Returnable:No
B1
5.1181 in
Bore Type
Round
Bore type
Round
C (in)
4.0945
Configuration
Two
D (in)
15.7480
d (in)
10.2362
Dynamic Load Rating
259000 lbf
Dynamic load rating
259000 lbf
e
0.37
Enclosure
Open
I.D.
260 mm
Material
Through hardened steel
O.D.
360 in
Precision Rating
Class 0
Precision rating
Class 0
r (in)
0.1969
Static Load Rating
490000 lbf
Static load rating
490000 lbf
Style
TDO
Type
Tapered Roller Bearing
Y0
1.76
Y1
1.80
Y2
2.69
Technical Specifications
| Type | Tapered Roller Bearing |
|---|---|
| Bore Type | Round |
| Material | Through Hardened Steel |
| e | 0.37 |
| Y1 | 1.80 |
| Y2 | 2.69 |
| Y0 | 1.76 |
| Style | TDO |
| Precision Rating | Class 0 |
| Configuration | Two |
| Static Load Rating | 490000 lbf2190000 N2190.00 kN |
| Dynamic Load Rating | 259000 lbf1150000 N1150.00 kN |
| Enclosure | Open |
Dimensional Specifications
| |
| d | 10.2362 in260.000 mm |
|---|---|
| D | 15.7480 in400.000 mm |
| C | 4.0945 in104.000 mm |
| B1 | 5.1181 in130.000 mm |
| r | 0.1969 in5.000 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.
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