MS21442-161

MS21442161 Roller Needle Bearing

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Quality Commitment

Serving our customers with quality and safety first.

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AS9120 Certified by SAI Global

Datasheet. MS21442-161 specification

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

0.3125in.

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

1.0000in.

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

grease

Outer Ring Width

0.6250in.

Inner Ring Width

0.6875in.

Crown Radius

12.0000in.

Surface Finish
An additional finishing process by which the surface of an item is altered in respect to polishing,grinding,and the like.

ground

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.

rigid

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

lubrication groove and lubrication hole

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 industrial needle 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.

oil groove in outer ring optional

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 acetal seal or plastic polyhexamethylene adipamide seal

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

steel comp 4615 end plate or steel comp 4617 end plate or steel comp 4620 end plate or steel comp 8620 end plate or steel comp E50100 end plate or steel comp E51100 end plate or steel comp E52100 end plate

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

steel comp 4615 inner ring or steel comp 4617 inner ring or steel comp 4620 inner ring or steel comp 8620 inner ring or steel comp E50100 inner ring or steel comp E51100 inner ring or steel comp E52100 inner ring

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

steel comp 4615 outer ring or steel comp 4617 outer ring or steel comp 4620 outer ring or steel comp 8620 outer ring or steel comp E50100 outer ring or steel comp E51100 outer ring or steel comp E52100 outer ring

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

steel comp 4615 roller or steel comp 4617 roller or steel comp 4620 roller or steel comp 8620 roller or steel comp E50100 roller or steel comp E51100 roller or steel comp E52100 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.

chromium outer 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 end plate exposed surfaces

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 or oxide 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-C-320, class 2 fed spec single treatment response 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, type 1, class 2 fed spec 1st treatment response inner ring or MIL-C-13924 mil spec 2nd 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, type 1, class 2 fed spec single treatment response end plate exposed surfaces

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

track roller, NON-Separable

Answers.

What is the style?

Track roller, non-separable

What material is the roller needle bearing made of ?

Steel comp 4615 roller or steel comp 4617 roller or steel comp 4620 roller or steel comp 8620 roller or steel comp e50100 roller or steel comp e51100 roller or steel comp e52100 roller

What material is the roller needle bearing made of ?

Steel comp 4615 outer ring or steel comp 4617 outer ring or steel comp 4620 outer ring or steel comp 8620 outer ring or steel comp e50100 outer ring or steel comp e51100 outer ring or steel comp e52100 outer ring

What material is the roller needle bearing made of ?

Steel comp 4615 inner ring or steel comp 4617 inner ring or steel comp 4620 inner ring or steel comp 8620 inner ring or steel comp e50100 inner ring or steel comp e51100 inner ring or steel comp e52100 inner ring

What material is the roller needle bearing made of ?

Steel comp 4615 end plate or steel comp 4617 end plate or steel comp 4620 end plate or steel comp 8620 end plate or steel comp e50100 end plate or steel comp e51100 end plate or steel comp e52100 end plate

What material is the roller needle bearing made of ?

Plastic acetal seal or plastic polyhexamethylene adipamide seal

What is the NSN for MS21442-161?

3110-01-255-5040

How is this classified for shipping?

Schedule B number: 8482400000
nmfc 114690
Needle roller bearings

What's the federal classification of MS21442-161?

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 3110-01-255-5040 BEARING,ROLLER,NEEDLE

track roller, non-separable cadmium inner ring or oxide inner ring surface treated oil groove in outer ring optional 0.3125" bore diameter

NIIN
012555040
NIIN Date
05/21/87
Schedule B
8482400000 
Name Code
00051
FIIG
A044A0
Item Weight
0.500lbs
Item Dimensions
--
QUP
 
Historical Price
$191.95 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. AS21442 Cage 81343
2. AS39901 Cage 81343

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Army 
  • - Greece 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
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)
114690 BALLS/ROLLS BEARING 
UFC (universal freight code)
58770 

Similar by Design Other bearings with similar characteristics

Nothing similar to this part number was found in our inventory

MS21442-161 / Bearing,roller,needleWhat is the formal definition of this item?

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.