640221A
View detailed technical data, stock status, and sourcing information for: 640221A
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An assembled inner component of a tapered roller bearing, consisting of a cone (which provides a contact surface for the rolling elements of the bearing), a complement of tapered rollers (the rolling elements), and frequently a retainer (which spaces the rolling elements).
afbma class 2 standard tolerance designation, 0.9060 inches nominal cone width, steel overall material, 3.0000 inches nominal bore diameter, 0.1406 inches nominal cone corner radius
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Bore Diameter
- 3.0000 inches nominal
- Cone Corner Radius
- 0.1406 inches nominal
- Cone Width
- 0.9060 inches nominal
- Standard Tolerance Designation
- afbma class 2
- Material
- steel overall
- Style Designator
- normal angle
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 2520-00-073-2781 | No Name Available | 08/05/1968 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 001-200979 | Tapered Roller Cone and Rollers |
| 0BT34301 | Tapered Roller Cone and Rollers |
| 13409 | Tapered Roller Cone and Rollers |
| 1666152 | Tapered Roller Cone and Rollers |
| 34301 | Tapered Roller Cone and Rollers |
| 640221A | Tapered Roller Cone and Rollers |
| 6600425 | Tapered Roller Cone and Rollers |
| 742257 | Tapered Roller Cone and Rollers |
| A50197 | Tapered Roller Cone and Rollers |
| BT34301 | Tapered Roller Cone and Rollers |
| E050631 | Tapered Roller Cone and Rollers |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3110-00-100-3580?
Does the NSN 3110-00-100-3580 have a Schedule B code assigned?
Does NSN 3110-00-100-3580 require demilitarization?
Does NSN 3110-00-100-3580 contain precious materials?
Does NSN 3110-00-100-3580 contain hazardous materials?
When the NSN 3110-00-100-3580 was assigned to the Federal Catalog?
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Pricing
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In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| New Surplus | 112 |
| As Removed | 5 |
| New Material | 3,212 |
| Serviceable | 5 |
| Overhauled | 1 |
| Total | 3,335 |