MS28914-12C

MS2891412C Roller Airframe Bearing
Home » Catalog » Bearings (p. 2656) » Roller Airframe Bearings (p. 4) » Part Number MS28914-12C

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Datasheet. MS28914-12C specification

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

0.7495in. and 0.7500in.

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

2.6245in. and 2.6250in.

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

grease

Outer Ring Width

1.2450in. and 1.2500in.

Inner Ring Width

1.8700in. and 1.8750in.

Retainer Fabrication Method
The means used in manufacturing the retainer.

machined

Seal Quantity
The number of seals included on the item.

2

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

contact

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.

0.0002 in. to 0.0010 in. radial clearance, oil hole and oil groove in od of outer ring, 10 deg self alingment in either direction, 0.0007 in. to 0.0030 in. axial play

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.

rubber synthetic seal

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

steel comp 4140 retainer or copper alloy retainer

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 comp E52100 roller

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.

MIL-S-5626 mil spec 1st material response retainer or QQ-C-390 fed spec 2nd material response 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.

MIL-S-7420 mil spec 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.

MIL-S-7420 mil spec 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.

MIL-S-7420 mil spec single material response roller

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 all external/exposed metal surfaces

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 all external/exposed metal surfaces

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

concave rollers, double closure, self aligning

Answers.

What quantity is this sold in?

1EA

What is the style?

Concave rollers, double closure, self aligning

What material is the roller airframe bearing made of ?

Steel comp e52100 roller

What material is the roller airframe bearing made of ?

Steel comp e52100 outer ring

What material is the roller airframe bearing made of ?

Steel comp e52100 inner ring

What material is the roller airframe bearing made of ?

Steel comp 4140 retainer or copper alloy retainer

What material is the roller airframe bearing made of ?

Rubber synthetic seal

What is the NSN for MS28914-12C?

3110-00-345-2241

How is this classified for shipping?

Schedule B number: 8482800080
nmfc 114820
Other ball or roller bearings, including combined ball/roller bearings

What's the federal classification of MS28914-12C?

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 3110-00-345-2241 BEARING,ROLLER,AIRFRAME

concave rollers, double closure, self aligning cadmium all external/exposed metal surfaces surface treated 0.0002 in. to 0.0010 in. radial clearance, oil hole 0.7495" bore diameter

NIIN
003452241
NIIN Date
01/20/74
Schedule B
8482800080 
Name Code
00046
FIIG
A044A0
Item Weight
1.600lbs
Item Dimensions
--
QUP
1 
Historical Price
$3,080.95 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Department of The Air Force 
  • - Israel 

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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

MS28914-12C / Bearing,roller,airframeWhat is the formal definition of this item?

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened roller, 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, roller, cylindrical.