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NTN 32208 is a single row metric tapered roller bearing with a 40 mm straight bore. This open bearing features a case carburized steel construction for durability under heavy radial and axial loads. It is designed for gearboxes, wheel hubs, and industrial machinery requiring high load capacity.
MODEL 32208
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$47.03 Each
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
Bearing Type
Tapered roller bearing
Enclosure
Open
Height
3.15
I.D.
1.5748 in
Length
3.15
Material
Case carburized steel
O.D.
3.1496 in
Width
0.9744
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Case Carburized Steel |
Limiting Speed - Oil | 6600 RPM |
Limiting Speed - Grease | 4900 RPM |
Style | Cone & Cup |
Precision Rating | Class 0 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.37 |
Y2 (Axial Load Factor) | 1.6 |
Y0 (Axial Load Factor) | 0.88 |
Static Load Rating | 21000 lbf93500 N93.50 kN |
Dynamic Load Rating | 17900 lbf79500 N79.50 kN |
Enclosure | Open |
Weight | 1.230 lb0.558 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.5748 in40.000 mm |
D | 3.1496 in80.000 mm |
C | 0.7480 in19.000 mm |
B | 0.9055 in23.000 mm |
a (Effective Load Center) | -0.2264 in-5.750 mm |
T | 0.9744 in24.750 mm |
r | 0.0600 in1.500 mm |
R | 0.06 in1.5 mm |
da | 1.91 in48.5 mm |
db | 1.89 in48.0 mm |
Da | 2.81 in71.5 mm |
Da min | 2.68 in68.0 mm |
Db | 2.95 in75.0 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.
