MS27644-8

MS276448 Ball Airframe Bearing

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Quality Commitment

Serving our customers with quality and safety first.

  •   AS9120 Certified
  •   Audited supply chain
  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
  •   Customer service objectives
  •   Every product 100% inspected
AS9120 Certified by SAI Global

Datasheet. MS27644-8 specification

Bore Diameter
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.

0.5000in.

Overall Outside Diameter
The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.

1.6875in.

Lubrication Material
The element,compound,or mixture with which the item is lubricated.

grease

Outer Ring Width

0.8560in.

Inner Ring Width

0.9320in.

Seal Quantity
The number of seals included on the item.

2

Bearing Seal Type
Indicates the type of seal provided with the bearing.

contact

Load Direction
The direction of load with respect to the shaft axis.

radial

Standard Tolerance Designation
The standard tolerance designation indicating the manufactured limitations of the item as established by the various specifications and standards.

afbma std tolerance for airframe ball bearings

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

Q80 pct. full of MIL-G-81322, axial play 0.007 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. outer ring

Lubrication Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the lubrication material.

MIL-G-81322 mil spec single material response

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

plastic polytetrafluoroethylene seal

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp E52100 ball or steel comp E51100 ball

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp E52100 inner ring

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp E52100 outer ring

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel corrosion resisting retainer

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

66 fed std all material responses ball

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

66 fed std single material response inner ring

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

66 fed std single material response outer ring

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

ams 3652 assn std single material response seal

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

cadmium ball

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

cadmium inner ring

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

cadmium outer ring

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

QQ-P-416, ty 1, cl 2 fed spec single treatment response ball

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

QQ-P-416, ty 1, cl 2 fed spec single treatment response inner ring

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

QQ-P-416, ty 1, cl 2 fed spec single treatment response outer ring

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

double row

Answers.

What quantity is this sold in?

1EA

What is the style?

Double row

What material is the ball airframe bearing made of ?

Steel corrosion resisting retainer

What material is the ball airframe bearing made of ?

Steel comp e52100 outer ring

What material is the ball airframe bearing made of ?

Steel comp e52100 inner ring

What material is the ball airframe bearing made of ?

Steel comp e52100 ball or steel comp e51100 ball

What material is the ball airframe bearing made of ?

Plastic polytetrafluoroethylene seal

What is the NSN for MS27644-8?

3110-00-042-4589

How is this classified for shipping?

Schedule B number: 8482105068
nmfc 114820
Ball bearings

What's the federal classification of MS27644-8?

FSC 3110 ⁓ Bearings, antifriction, unmounted

Note-this class includes bearings that generally have roller or balls confined by an inner and outer ring to relieve friction in/on/around rotating/moving mechanisms.

Excluding plain bearings (fsc 3120); jewel bearings (fsc 3120)

NSN 3110-00-042-4589 BEARING,BALL,AIRFRAME

double row cadmium outer ring surface treated Q80 pct. full of mil-g-81322, axial play 0.007 in., heat treat rings 0.5000" bore diameter

NIIN
000424589
NIIN Date
01/13/72
Schedule B
8482105068 
Name Code
00041
FIIG
A044A0
Item Weight
0.400lbs
Item Dimensions
--
QUP
Historical Price
$112.80 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. AS27644 Cage 81343
2. DPP8 FS464 Cage 21335
3. 3100944 Cage 001JK
4. AN207DPP8 Cage 88044
5. MS20207DPP8 Cage 96906
6. 3100944 Cage S4956
7. DPP8 Cage 21335
8. DPP8 Cage 38443
9. DPP8 FS464 Cage 3NPS1

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Army 
  • - U.s. Marine Corps 
  • - Department of The Air Force 
  • - Poland 
  • - Brazil 
  • - Israel 
  • - Argentina 
  • - Singapore 
  • - Kuwait 
  • - Malaysia 
  • - Thailand 
  • - Australia 
  • - Canada 
  • - New Zealand 
  • - Germany 
  • - Republic of Korea 
  • - United Kingdom 
  • - Portugal 
  • - Denmark 
  • - Norway 
  • - Greece 
  • - Turkey 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing 
Commodity (for shipments via water)
Bearings 
NMFC (national motor freight code)
114820 BEARINGS/BUSHINGS NOI BALL/ROLLER 
UFC (universal freight code)
58860 

Similar by Design Other bearings with similar characteristics

Nothing similar to this part number was found in our inventory

MS27644-8 / Bearing,ball,airframeWhat is the formal definition of this item?

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.