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NTN NA6913R machined ring needle roller bearing with a 65 mm bore. This open design features a steel cage and high carbon chrome steel construction. Suitable for applications requiring high radial load capacity in a compact cross-section.
MODEL NA6913R
$268.80 Each
Prices are subject to change
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Returnable:No
Bearing Type
Needle roller bearing
Cage
Steel
Enclosure
Open
I.D.
65 mm
Material
High carbon chrome steel
O.D.
90 mm
Width
45 mm
Technical Specifications
| Type | Needle Roller Bearing |
|---|---|
| Bore Type | Round |
| Material | High Carbon Chrome Steel |
| Cage Material | Steel |
| Limiting Speed - Oil | 5500 RPM |
| Limiting Speed - Grease | 3700 RPM |
| Precision | ISO Class 0 |
| Configuration | Two |
| Enclosure | Open |
| Bearing Design | w/ Inner Ring |
| Oil Hole | w/ Oil Hole |
| Radial Internal Clearance | CN |
| Static Load Rating | 44500 lbf198000 N198.00 kN |
| Dynamic Load Rating | 21800 lbf97000 N97.00 kN |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 2.5591 in65.000 mm |
|---|---|
| D | 3.5433 in90.000 mm |
| F | 2.8346 in72.000 mm |
| B | 1.7717 in45.000 mm |
| r | 0.0394 in1.000 mm |
| s | 0.0591 in1.500 mm |
| da min | 2.7559 in70.000 mm |
| Da max | 3.3465 in85.000 mm |
| ras max | 0.0394 in1.000 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.
