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Datasheet. MS21221-4K specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a
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
The length of a straight line which passes through the center of the body of the shank and terminates at the circumference.
0.3750in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the shank.
externally threaded
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.3700in. and 2.3900in. ⁓2-25/64"
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
0.2495in. and 0.2500in.
The element,compound,or mixture with which the item is lubricated.
grease
0.9800in. and 1.0020in.
0.3750in.
0.4950in. and 0.5000in.
1.8300in. and 1.8500in.
The number of seals included on the item.
2
Indicates the type of seal provided with the bearing.
contact
Indicates the type of alignment utilized whereby the item will adjust axially for misalignment.
SELF-Aligning
Indicates the location of the self-alignment feature.
internal
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
24
A designation that is used for the purpose of general identification of the thread.
0.375in. ⁓3/8"
10.00 degrees
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.
internal clearance 0.0002 in. min 0.0010 in. max; keyway in shank
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
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp E52100 inner ringsteel comp E52100 rollerplastic polytetrafluoroethylene sealsteel comp 4620 supporting sleeve or steel comp 4130 supporting sleeve or steel comp 8620 supporting sleeve or steel comp E52100 supporting sleeve
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
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unjf
Answers.
1EA
Unjf
Steel comp e52100 inner ringsteel comp e52100 rollerplastic polytetrafluoroethylene sealsteel comp 4620 supporting sleeve or steel comp 4130 supporting sleeve or steel comp 8620 supporting sleeve or steel comp e52100 supporting sleeve
24
Right-hand
3a
Schedule B number: 8482500000
nmfc 114820
Other cylindrical roller bearings
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 3110-01-362-9812 BEARING,ROLLER,ROD END
unjf thread series cadmium exposed surfaces as mounted surface treated internal clearance 0.0002 in. min 0.0010 in. max; keyway in shank 24 thread quantity per inch 0.2495" bore diameter 2.3700" overall length right-hand 3a thread class
- NIIN
- 013629812
- NIIN Date
- 08/19/92
- Schedule B
- 8482500000
- Name Code
- 00050
- FIIG
- A044A0
- Item Weight
- 0.000lbs
- Item Dimensions
- 320 X 140 X 55
- QUP
- 1
- Historical Price
- $153.43 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
- - Italy
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- 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
MS21221-4K / Bearing,roller,rod endWhat is the formal definition of this item?
A special single or multiple-row roller bearing, rigid or self-aligning, and constructed with either inside threaded, plain hollow, maile threaded, or solid shank.
