MS27644-5
View detailed technical data, stock status, and sourcing information for: MS27644-5
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A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes:bearing,ball,annular.
0.6870 inches nominal outer ring width, 0.3125 inches nominal bore diameter, 1.2500 inches nominal overall outside diameter, 2 seal quantity, 0.7450 inches nominal inner ring width
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Bore Diameter
- 0.3125 inches nominal
- Overall Outside Diameter
- 1.2500 inches nominal
- Outer Ring Width
- 0.6870 inches nominal
- Inner Ring Width
- 0.7450 inches nominal
- Seal Quantity
- 2
- Bearing Seal Type
- contact
- Load Direction
- radial
- Standard Tolerance Designation
- afbma std tolerance for airframe ball bearings
- Special Features
- 80 pct. full of mil-g-81322,axial play 0.006 in.,heat treat rings and balls to rockwell c 60 to 66 and stabilized for operation at 250 deg f,radial and lateral eccentricity 0.0010 in. inner ring,0.0016 in. o,ter ring
- Lubrication Material Document And Classification
- mil-g-81322 mil spec single material response
- Material
- plastic polytetrafluoroethylene seal
- Material
- steel comp e52100 or steel comp e51100 ball
- Material
- steel comp e52100 inner ring
- Material
- steel comp e52100 outer ring
- Material Document And Classification
- 66 fed std all material responses ball
- Material Document And Classification
- 66 fed std single material response inner ring
- Material Document And Classification
- 66 fed std single material response outer ring
- Surface Treatment
- cadmium exposed surfaces as mounted
- Surface Treatment Document And Classification
- qq-p-416,ty 1,cl 2 fed spec single treatment response exposed surfaces as mounted
- Style Designator
- double row
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 3110-00-142-4435 | No Name Available | 08/01/1982 |
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:
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3110-00-042-4572?
Does the NSN 3110-00-042-4572 have a Schedule B code assigned?
Does NSN 3110-00-042-4572 require demilitarization?
Does NSN 3110-00-042-4572 contain precious materials?
Does NSN 3110-00-042-4572 contain hazardous materials?
When the NSN 3110-00-042-4572 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 | 61 |
| New Material | 306 |
| Serviceable | 1 |
| Overhauled | 1 |
| As Removed | 2 |
| Total | 371 |