31J650PC8 Sleeve Bearing

Comprehensive specifications and application details for: 31J650PC8 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 31J650PC8. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 31J650PC8
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-343-1931
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1963

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.

3.0005 inches minimum and 3.0010 inches maximum body outside diameter, 4 hole antirotation/lubrication type and quantity, chamfered outside right corner corner shape, 2.2540 inches minimum and 2.2560 inches maximum body inside diameter, round inside left corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-343-1931 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity: 4 hole
Body Inside Diameter: 2.2540 inches minimum and 2.2560 inches maximum
Body Outside Diameter: 3.0005 inches minimum and 3.0010 inches maximum
Corner Shape: chamfered outside right corner
Corner Shape: round inside left corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside right corner
Corner Shape: undercut left flange body corner
Flange Outside Diameter: 3.1250 inches nominal
Flange Width: 0.4990 inches minimum and 0.5000 inches maximum
Hole Diameter: 0.2500 inches nominal fourth
Hole Diameter: 0.2500 inches nominal third
Hole Diameter: 0.3750 inches nominal second
Hole Diameter: 0.5000 inches nominal first
Lubricant Accommodation Style: grooved single x
Overall Length: 3.2500 inches nominal
Material Document And Classification: 46-m-2 babbitt,fscm 75900 mfr ref single material response inner layer
Material Document And Classification: 46-s-17 class b,fscm 75900 mfr ref single material response outer layer
Material: steel outer layer
Material: tin alloy inner layer
Special Features: 2 circumferential grooves on inside diameter; first groove 0.250 in. from left end surface of body and flange,0.250 in. wide,0.0469 in. deep; second groove 0.1875 in. from right end surface of body,0.250 in. wide,0.0469 in. deep
Style Designator: solid, external flange one end

Replaces

The NSN 3120-00-343-1931 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-343-1939	No Name Available	04/01/1976

Frequently Asked Questions

Find quick answers to common questions about bearing: 31J650PC8. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-343-1931?: The FSCG of the NSN 3120-00-343-1931 is 3120

Does the NSN 3120-00-343-1931 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-343-1931 require demilitarization?: Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3120-00-343-1931 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-343-1931 contain hazardous materials?: Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.