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NTN 32313 is a single row metric tapered roller bearing with a 65 mm straight bore. It features an open design with through hardened steel construction. This bearing accommodates combined radial and axial loads and is suitable for gearboxes, wheel hubs, and industrial transmissions.
MODEL 32313
$276.07 Each
Prices are subject to change
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Returnable:No
Bearing Type
Tapered roller bearing
Enclosure
Open
Height
5.512
I.D.
2.5591 in
Length
5.512
Material
Through hardened steel
O.D.
5.5118 in
Width
2.0079
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Through Hardened Steel |
Limiting Speed - Oil | 3700 RPM |
Limiting Speed - Grease | 2800 RPM |
Style | Cone & Cup |
Precision Rating | Class 0 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.35 |
Y2 (Axial Load Factor) | 1.74 |
Y0 (Axial Load Factor) | 0.96 |
Static Load Rating | 78500 lbf350000 N350.00 kN |
Dynamic Load Rating | 61500 lbf273000 N273.00 kN |
Enclosure | Open |
| 8.069 lb3.660 kg | |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 2.5591 in65.000 mm |
D | 5.5118 in140.000 mm |
C | 1.5354 in39.000 mm |
B | 1.8898 in48.000 mm |
a (Effective Load Center) | -0.6496 in-16.500 mm |
T | 2.0079 in51.000 mm |
r | 0.0800 in2.000 mm |
R | 0.10 in2.5 mm |
da | 3.11 in79.0 mm |
db | 3.15 in80.0 mm |
Da | 5.04 in128.0 mm |
Da min | 4.61 in117.0 mm |
Db | 5.12 in130.0 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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