3F8931

3F8931 Sleeve Bearing

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Datasheet. 3F8931 specification

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

2.2500in. ⁓2-1/4"

Body Outside Diameter
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.

Body Inside Diameter
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.

Flange Outside Diameter
The length of a straight line which passes through the center of the flange,and terminates at the outside circumference.

2.7500in.

Flange Width
A measurement taken at right angles to the length of a flange,in distinction from thickness.

0.1250in.

Lubricant Accommodation Style
The style designation indicating the configuration that most nearly corresponds to the means whereby the lubricant is set into the item.

grooved circular

End To Flange Distance

0.9260in. and 0.9310in.

Corner Shape
The physical configuration of the corner.

chamfered inside left corner

Corner Shape
The physical configuration of the corner.

round center flange left body corner

Corner Shape
The physical configuration of the corner.

relief groove center flange right body corner

Corner Shape
The physical configuration of the corner.

square center flange outside left corner

Corner Shape
The physical configuration of the corner.

square center flange outside right corner

Corner Shape
The physical configuration of the corner.

square inside right corner

Corner Shape
The physical configuration of the corner.

square outside left corner

Corner Shape
The physical configuration of the corner.

square outside right corner

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

casehardened

Hardness Rating
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

Left End Body Diameter

1.8745in. and 1.8750in.

Right End Body Diameter

1.8745in. and 1.8750in.

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

steel comp 8620

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

21c solid, external flange

Answers.

What quantity is this sold in?

1EA

What is the style?

21c solid, external flange

What material is the sleeve bearing made of ?

Steel comp 8620

What is the NSN for 3F8931?

3120-00-339-3890

How is this classified for shipping?

Schedule B number: 8482997090
nmfc 114850
Parts, for roller bearings or for combined ball/roller bearings

What's the federal classification of 3F8931?

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
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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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.