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Datasheet. 21918 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 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.
6.2800in. ⁓6-9/32"
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
0.9995in. and 1.0000in.
2.5000in.
5.0300in.
0.7990in. and 0.8090in.
0.9980in. and 1.0000in.
3.1250in.
The limiting radial load which the item can carry at rest without permanent deformation of the stressed surface or the danger of fracture.
32200 pounds
The length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
1.250in.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
18
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
20.0 rockwell c race insert and 35.0 rockwell c race insert
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
55.0 rockwell c inner member and 62.0 rockwell c inner member
The chemical compound or mechanical mixture properties of which the item is fabricated.
plastic polytetrafluoroethylene race liner
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 4130 rod end body
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 440c inner member
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 631 race insert or steel comp 630 race insert
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 rod end body
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
ball type
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unef
Answers.
1EA
Unef
Ball type
Steel comp 631 race insert or steel comp 630 race insert
Steel comp 440c inner member
Steel comp 4130 rod end body
Plastic polytetrafluoroethylene race liner
18
Right-hand
3a
Schedule B number: 8483308055
nmfc 114850
Transmission shafts: bearing housings, plain shaft bearings with housing, rod end bearings
FSC 3120 ⁓ Bearings, plain, unmounted
Note-bearings in this class are generally one piece that retain and position moving and/or rotating parts. they may have lubrication grooves/fittings/facilities or include pre-lubrication.
Excluding antifriction bearings (fsc 3110); mounted bearings (fsc 3130).
NSN 3120-00-083-8917 BEARING,PLAIN,ROD END
unef thread series ball type cadmium rod end body surface treated 18 thread quantity per inch 0.9995" bore diameter 6.2800" overall length right-hand 3a thread class
- NIIN
- 000838917
- NIIN Date
- 01/01/63
- Schedule B
- 8483308055
- Name Code
- 13209
- FIIG
- A045A0
- Item Weight
- 2.400lbs
- Item Dimensions
- 63 X 25 X 25
- QUP
- 1
- Historical Price
- $4,792.98 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
Major End Users Countries and entities
- - Department of The Navy
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 70.0
- 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)
- 114850 BEARING/BUSHING O/T BALL/ROLLER I/S
- UFC (universal freight code)
- 58880
Similar by Design Other bearings with similar characteristics
Nothing similar to this part number was found in our inventory
21918 / Bearing,plain,rod endWhat is the formal definition of this item?
A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. it is used to carry a load and to reduce sliding friction. it does not employ rolling elements. the outer member of the assembly is modified to provide a shank. the inner member may be either a plain spherical bearing or a sleeve bearing. excludes bearing, plain, spherical and bearing, plain, self-aligning.
