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3120-00-052-4939 Self-Aligning Plain Bearing

Comprehensive specifications and application details for NSN: 3120-00-052-4939.

Summary

Explore detailed summary information for bearing: 3120-00-052-4939. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-052-4939
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
01/01/1963

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.

0.4370 inches minimum and 0.4375 inches maximum bore diameter, copper alloy outer race member material, 0.4320 inches minimum and 0.4370 inches maximum inner member width, steel inner member material, 0.9057 inches minimum and 0.9062 inches maximum outer member outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-052-4939 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.4370 inches minimum and 0.4375 inches maximum
Inner Member Width
0.4320 inches minimum and 0.4370 inches maximum
Material
copper alloy outer race member
Material
steel inner member
Outer Member Outside Diameter
0.9057 inches minimum and 0.9062 inches maximum
Outer Member Width
0.3380 inches nominal
Style Designator
without insert or liner
Surface Treatment
chromium inner member

Replaces

The NSN 3120-00-052-4939 is used in place of the following discontinued or alternate items:

NSN Name Date
3120-00-191-3927 No Name Available 05/01/1976

Related Bearings

Explore the various bearing models associated with this NSN. Click on any bearing below to view detailed technical data, performance ratings, and application guidelines.

Part Number Name
4M71A7 Self-Aligning Plain Bearing
BLN7003C Self-Aligning Plain Bearing
KSB7-4 Self-Aligning Plain Bearing
PR7C Self-Aligning Plain Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-00-052-4939. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-052-4939?
The FSCG of the NSN 3120-00-052-4939 is 3120
Does the NSN 3120-00-052-4939 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-00-052-4939 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 3120-00-052-4939 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-052-4939 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 3120-00-052-4939 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Price & Availability

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