KSP4A

KSP4A 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. KSP4A specification

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

0.2500in.

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

0.7500in.

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

grease

Outer Ring Width

0.2190in.

Inner Ring Width

0.2810in.

Seal Quantity
The number of seals included on the item.

2

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

contact

Alignment Type
Indicates the type of alignment utilized whereby the item will adjust axially for misalignment.

SELF-Aligning

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

radial

Self-alignment Location
Indicates the location of the self-alignment feature.

internal

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.

80 pct. full of MIL-G-81322, axial play 0.025 in. max., heat treat rings and balls to rockwell c 60 to 66 and stabilized for operation at 250 deg.f, 8 deg SELF-Aligning in either direction

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 E51100 ball or steel comp E52100 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 or ams 3666 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 exposed surfaces as mounted

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 exposed surfaces as mounted

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

single row self aligning single row inner ring extended both sides

Answers.

What quantity is this sold in?

1EA

What is the style?

Single row self aligning single row inner ring extended both sides

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 e51100 ball or steel comp e52100 ball

What material is the ball airframe bearing made of ?

Plastic polytetrafluoroethylene seal

What is the NSN for KSP4A?

3110-00-042-4807

How is this classified for shipping?

Schedule B number: 8482105068
nmfc 114820
Ball bearings

What's the federal classification of KSP4A?

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 3110-00-042-4807 BEARING,BALL,AIRFRAME

single row self aligning single row inner ring extended both sides cadmium exposed surfaces as mounted surface treated 80 pct. full of mil-g-81322, axial play 0.025 in. max., heat treat rings 0.2500" bore diameter

NIIN
000424807
NIIN Date
01/13/72
Schedule B
8482105068 
Name Code
00041
FIIG
A044A0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$40.45 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. SAE AS27645 Cage 81343
2. KSP4AFS464 Cage 3NPS1
3. MS27645-4A Cage 0S2W9
4. 1201578-101 Cage 98897
5. MS27645-4A Cage 81343
6. 2910003 Cage FB459
7. 3103352 Cage FB459
8. C697KS4A Cage 81755
9. 2147249 Cage 10001
10. 3KSP4A20 Cage 13844
11. KS4A Cage 21335
12. KS4AFS160 Cage 21335
13. KS4AB100B000075K0000J Cage 38443
14. 2910003 Cage 001JK
15. 313352 Cage 001JK
16. MS27645-4A Cage 96906
17. 2910003 Cage S4956
18. 3103352 Cage S4956
19. 10107325 Cage A486G
20. KSP4AFS464 Cage 21335
21. AS27645-4A Cage 81343
22. SAE AS27645-4A Cage 81343
23. MS27645-4A Cage 5V122

Major End Users Countries and entities

  • - National Aeronautics And Space Administration 
  • - Department of The Navy 
  • - Department of The Army 
  • - Department of The Air Force 
  • - U.s. Coast Guard 
  • - Finland 
  • - Lithuania 
  • - Poland 
  • - Romania 
  • - Bulgaria 
  • - Brazil 
  • - Spain 
  • - Israel 
  • - Argentina 
  • - Singapore 
  • - Saudi Arabia 
  • - Malaysia 
  • - Australia 
  • - Belgium 
  • - Canada 
  • - New Zealand 
  • - France 
  • - Germany 
  • - Republic of Korea 
  • - United Kingdom 
  • - Philippines 
  • - Netherlands 
  • - Italy 
  • - Denmark 
  • - Norway 
  • - Greece 
  • - Turkey 
  • - Nato Maintenance And Supply Agency 

Major End Items End use applications

  • - Aircraft, eagle f-15
  • - Trainer, b-1b aircraft
  • - Engine, aircraft tf33-pw-102 (c-135e, ec-135h/k/p)
  • - Engine, aircraft tf33-p-3/5/9 (c/ec-135, b-52h)
  • - Aircraft, c-2a (reprocured)
  • - Engine, aircraft, tf-33-p-7 (c-141a/b)
  • - Helicopter, mh-53e
  • - Aircraft, airlifter c-17a
  • - Los angeles class ssn (688)
  • - Consolidated targets
  • - Actuator,electro-mechanical,linear
  • - Support,torque tube
  • - Support,torque tube
  • - Flange,pipe
  • - Cylinder assembly,hydraulic brake,master
  • - Servocylinder assembly,hydraulic
  • - Hub,quadrant,left h
  • - Valve,dual power
  • - Hub,quadrant,right
  • - Lever assembly
  • - Valve assembly
  • - Servovalve,hydraulic
  • - Deceleron,aircraft
  • - Parts kit,outer wing
  • - Valve,aircraft whee
  • - Servocylinder assembly,hydraulic
  • - Servocylinder assembly,hydraulic
  • - Servocylinder
  • - Servocylinder
  • - Servocylinder assembly,hydraulic
  • - Support,torque tube
  • - Servovalve,hydraulic
  • - Servocylinder
  • - Servocylinder
  • - Servocylinder assembly,hydraulic
  • - Servocylinder
  • - Cylinder assembly,actuating,linear
  • - Connecting link,rigid
  • - Cap assembly,overri
  • - Bell crank
  • - Spring assembly,ove
  • - Bell crank
  • - Bearing,ball,rod end
  • - Parts kit,wing
  • - Servocylinder assembly,hydraulic
  • - Bell crank
  • - Servocylinder assembly,hydraulic
  • - Connecting link,rigid
  • - Connecting link,rigid
  • - Bell crank
  • - Connecting link,rigid
  • - Connecting link,rigid
  • - Bell crank
  • - Valve,flow control
  • - Bell crank
  • - Connecting link,rigid
  • - Bell crank
  • - Connecting link,rigid
  • - Servocylinder assembly,hydraulic
  • - Bell crank
  • - Connecting link,rigid
  • - Fitting,structural component,aircraft
  • - Bell crank
  • - Helicopter,cargo-transport
  • - Helicopter,cargo-transport
  • - Helicopter,cargo-transport
  • - Helicopter,cargo-transport
  • - Helicopter,cargo-transport
  • - Helicopter,cargo-transport
  • - Helicopter,cargo-transport
  • - Helicopter,cargo-transport
  • - Cylinder assembly,actuating,linear
  • - Helicopter,cargo-transport
  • - Helicopter,cargo-transport
  • - Helicopter,cargo-transport
  • - Helicopter,cargo-transport
  • - Helicopter,cargo-transport
  • - Helicopter,cargo-transport
  • - Hydraulic servo ass
  • - Connecting link,rigid

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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

KSP4A / 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.