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Datasheet. MS21221-5G 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.
0.5000in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the shank.
externally threaded
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
0.3120in. and 0.3125in.
The element,compound,or mixture with which the item is lubricated.
grease
0.4450in. and 0.4600in.
0.6820in. and 0.6870in.
2.3950in. and 2.4250in.
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.
0.500in. ⁓1/2"
10.00 degrees
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp E52100 inner ring
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 4820 outer ring
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
single row, concave rollers
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.
Unjf
Single row, concave rollers
Steel comp 4820 outer ring
Steel comp e52100 inner ring
24
Right-hand
3a
Schedule B number: 8482500000
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 3110-01-453-2216 BEARING,ROLLER,ROD END
unjf thread series single row, concave rollers 24 thread quantity per inch 0.3120" bore diameter right-hand 3a thread class
- NIIN
- 014532216
- NIIN Date
- 02/23/98
- Schedule B
- 8482500000
- Name Code
- 00050
- FIIG
- A044A0
- 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
- - Malaysia
- - Canada
- - United Kingdom
- - Netherlands
- - Italy
- - Greece
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MS21221-5G / 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.
