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NTN 30207 is a single row metric tapered roller bearing with a 35 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 30207
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$34.57 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
2.835
I.D.
1.378 in
Length
2.835
Material
Case carburized steel
O.D.
2.8346 in
Width
0.7185
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Case Carburized Steel |
Limiting Speed - Oil | 7400 RPM |
Limiting Speed - Grease | 5500 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 | 13800 lbf61500 N61.50 kN |
Dynamic Load Rating | 12500 lbf55500 N55.50 kN |
Enclosure | Open |
Weight | 0.758 lb0.344 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.3780 in35.000 mm |
D | 2.8346 in72.000 mm |
C | 0.5906 in15.000 mm |
B | 0.6693 in17.000 mm |
a (Effective Load Center) | -0.1280 in-3.250 mm |
T | 0.7185 in18.250 mm |
r | 0.0600 in1.500 mm |
R | 0.06 in1.5 mm |
da | 1.71 in43.5 mm |
db | 1.73 in44.0 mm |
Da | 2.50 in63.5 mm |
Da min | 2.44 in62.0 mm |
Db | 2.64 in67.0 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 | NAE |
| Model | PE505UZ-300-6C-IN |
