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Datasheet. 3F8931 specification
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.2500in. ⁓2-1/4"
The length of a straight line which passes through the center of the body,and terminates at the outside circumference.
1.8745in. and 1.8750in.
The length of a straight line which passes through the center of a body,and terminates at the inside circumference.
1.5450in. and 1.5500in.
The length of a straight line which passes through the center of the flange,and terminates at the outside circumference.
2.7500in.
A measurement taken at right angles to the length of a flange,in distinction from thickness.
0.1250in.
The style designation indicating the configuration that most nearly corresponds to the means whereby the lubricant is set into the item.
grooved circular
0.9260in. and 0.9310in.
The physical configuration of the corner.
chamfered inside left corner
The physical configuration of the corner.
round center flange left body corner
The physical configuration of the corner.
relief groove center flange right body corner
The physical configuration of the corner.
square center flange outside left corner
The physical configuration of the corner.
square center flange outside right corner
The physical configuration of the corner.
square inside right corner
The physical configuration of the corner.
square outside left corner
The physical configuration of the corner.
square outside right corner
Those features,not otherwise specified,which may be required for proper functioning of the item.
casehardened
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
57.0 rockwell c outside diameter surface of body and 62.0 rockwell c outside diameter surface of body
1.8745in. and 1.8750in.
1.8745in. and 1.8750in.
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 8620
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
21c solid, external flange
Answers.
1EA
21c solid, external flange
Steel comp 8620
Schedule B number: 8482997090
nmfc 114850
Parts, for roller bearings or for combined ball/roller 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 3120-00-339-3890 BEARING,SLEEVE
21c solid, external flange 2.2500" overall length
- NIIN
- 003393890
- NIIN Date
- 01/01/63
- Schedule B
- 8482997090
- Name Code
- 13205
- FIIG
- A045A0
- QUP
- 1
- Historical Price
- $25.25 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Metal content unknown
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Department of The Army
- - Department of The Air Force
- - Department of The Navy
- - Canada
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Request a Quote »Shipping Information
- 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
3F8931 / Bearing,sleeveWhat is the formal definition of this item?
A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. it must have a visible or detectable means of lubrication or be self-lubricated. the over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. see also bushing, sleeve; spacer, sleeve; and washer (as modified). excludes pin, hollow.
