649982 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: 649982 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 649982. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 649982
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-453-8348
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 04/16/1969

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 item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

0.2495 inches minimum and 0.2500 inches maximum bore diameter, ams 5613 assn std single material response outer race member material document and classification, 36.0 rockwell c minimum and 57.0 rockwell c maximum inner member hardness rating, 0.3380 inches minimum and 0.3480 inches maximum inner member width, 36.0 rockwell c minimum and 57.0 rockwell c maximum outer race member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-453-8348 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Hardness Rating: 36.0 rockwell c minimum and 57.0 rockwell c maximum inner member
Hardness Rating: 36.0 rockwell c minimum and 57.0 rockwell c maximum outer race member
Inner Member Width: 0.3380 inches minimum and 0.3480 inches maximum
Material Document And Classification: ams 5613 assn std single material response outer race member
Material Document And Classification: ams 7445 assn std all material responses inner member
Material: steel comp 440a and steel comp 440b and steel comp 440c inner member
Material: steel comp 410 outer race member
Outer Member Outside Diameter: 0.6557 inches minimum and 0.6562 inches maximum
Outer Member Width: 0.2450 inches minimum and 0.2550 inches maximum
Style Designator: without insert or liner
Surface Treatment: chromium inner member

Replaces

The NSN 3120-00-453-8348 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-453-8349	No Name Available	01/01/1991
3120-00-490-7633	No Name Available	06/01/1990
3120-00-516-2104	No Name Available	09/24/1996
3120-00-661-7075	No Name Available	08/01/2000
3120-00-945-6902	No Name Available	08/01/1989

Frequently Asked Questions

Find quick answers to common questions about bearing: 649982. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-453-8348?: The FSCG of the NSN 3120-00-453-8348 is 3120

Does the NSN 3120-00-453-8348 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-453-8348 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 3120-00-453-8348 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-453-8348 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.