261

Comprehensive specifications and application details for: 261 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 261. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
261
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-288-0147
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.

chamfered outside right corner corner shape, square left flange body corner corner shape, square left flange outside right corner corner shape, 3.4480 inches minimum and 3.4500 inches maximum body inside diameter, 4.0080 inches minimum and 4.0100 inches maximum body outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-288-0147 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
3.4480 inches minimum and 3.4500 inches maximum
Body Outside Diameter
4.0080 inches minimum and 4.0100 inches maximum
Corner Shape
chamfered outside right corner
Corner Shape
square left flange body corner
Corner Shape
square left flange outside right corner
Corner Shape
square outside left corner
Corner Shape
square inside left corner
Corner Shape
square inside right corner
Flange Outside Diameter
6.0000 inches minimum and 6.0020 inches maximum
Flange Width
0.2500 inches nominal
Lubricant Accommodation Style
grooved closed both ends
Overall Length
4.7500 inches minimum and 4.7520 inches maximum
Material Document And Classification
sae assn std single material response overall
Material
copper alloy 937 overall
Special Features
drilled and countersunk for 1 flathead capscrew 1/4-20nc-2 located on flange 2.6250 in. from center of bearing
Style Designator
solid, external flange one end
Surface Groove Location And Quantity
1 internal

Frequently Asked Questions

Find quick answers to common questions about bearing: 261. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-288-0147?
The FSCG of the NSN 3120-00-288-0147 is 3120
Does the NSN 3120-00-288-0147 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-288-0147 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 3120-00-288-0147 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-288-0147 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.
When the NSN 3120-00-288-0147 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

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