MS21440-101

MS21440101 Needle Bearing Cam Follower
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Datasheet. MS21440-101 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2a

Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.3125in. ⁓21/64"

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

1.0625in. ⁓1-5/64"

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

0.6250in.

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

grease

Stud Diameter
The length of a straight line which passes through the center of a stud,and terminates at the circumference.

0.2500in.

Outer Ring Width

0.4060in.

Stud Length
A measurement of the longest dimension of the stud,in distinction from width.

0.6250in.

Seal Quantity
The number of seals included on the item.

2

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

contact

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

28

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.2500in. ⁓1/4"

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.

crowned od.

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.

steel comp 8620 end plate or steel comp E50100 end plate or steel comp E51100 end plate or steel comp E52100 end platesteel comp 8620 outer ring or steel comp E50100 outer ring or steel comp E51100 outer ring or steel comp E52100 outer ringsteel comp 8620 roller or steel comp E50100 roller or steel comp E51100 roller or steel comp E52100 rollerplastic acetal seal or plastic polyhexamethylene adipamide sealsteel comp 8620 stud or steel comp E50100 stud or steel comp E51100 stud or steel comp E52100 stud

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 end plate exposed surfaceschromium outer ringcadmium stud or oxide stud

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 end plate exposed SURFACESQQ-C-320, cl 2 fed spec single treatment response outer RINGQQ-P-416, ty 1, cl 2 fed spec 1st treatment response stud or MIL-C-13924 mil spec 2nd treatment response stud

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

cam follower

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unf

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unf

What is the style?

Cam follower

What material is the needle bearing cam follower made of ?

Steel comp 8620 end plate or steel comp e50100 end plate or steel comp e51100 end plate or steel comp e52100 end platesteel comp 8620 outer ring or steel comp e50100 outer ring or steel comp e51100 outer ring or steel comp e52100 outer ringsteel comp 8620 roller or steel comp e50100 roller or steel comp e51100 roller or steel comp e52100 rollerplastic acetal seal or plastic polyhexamethylene adipamide sealsteel comp 8620 stud or steel comp e50100 stud or steel comp e51100 stud or steel comp e52100 stud

What is the thread quantity per inch?

28

What is the thread length?

0.3125 inches

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for MS21440-101?

3110-01-340-9929

How is this classified for shipping?

Schedule B number: 8482400000
nmfc 114820
Needle roller bearings

What's the federal classification of MS21440-101?

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 3110-01-340-9929 CAM FOLLOWER,NEEDLE BEARING

unf thread series cam follower cadmium end plate exposed surfaceschromium outer ringcadmium stud or oxide stud surface treated crowned od. 28 thread quantity per inch 1.0625" overall length 0.3125" thread length right-hand 2a thread class

NIIN
013409929
NIIN Date
06/23/91
Schedule B
8482400000 
Name Code
00040
FIIG
A044A0
Item Weight
0.000lbs
Item Dimensions
--
QUP
1 
Historical Price
$155.30 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

Major End Users Countries and entities

  • - Department of The Air Force 

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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 cam followers with similar characteristics

Nothing similar to this part number was found in our inventory

MS21440-101 / Cam follower,needle bearingWhat is the formal definition of this item?

An assembly consisting of a roller and stud used to effect a rolling contact with a cam, and convert the reciprocating or oscillating motion to linear motion.