R-8A

Comprehensive specifications and application details for: R-8A Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: R-8A. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
R-8A
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-808-8337
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.

0.4950 inches minimum and 0.5000 inches maximum inner member width, 0.4995 inches minimum and 0.5000 inches maximum bore diameter, groove external outer member lubrication feature, groove internal inner member lubrication feature, perforation outer race member lubrication feature

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-808-8337 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.4995 inches minimum and 0.5000 inches maximum
Inner Member Width
0.4950 inches minimum and 0.5000 inches maximum
Lubrication Feature
groove external outer member
Lubrication Feature
groove internal inner member
Lubrication Feature
perforation outer race member
Lubrication Feature
perforation inner member
Material
copper alloy race insert
Material
steel comp 4130 outer race member
Material
steel comp e52100 inner member
Outer Member Outside Diameter
0.9995 inches minimum and 1.0000 inches maximum
Outer Member Width
0.3900 inches nominal
Style Designator
with insert and/or liner
Surface Treatment
cadmium outer race member
Surface Treatment
chromium inner member

Replaces

The NSN 3120-00-808-8337 is used in place of the following discontinued or alternate items:

NSN Name Date
3120-00-661-7162 No Name Available 11/01/1987

Frequently Asked Questions

Find quick answers to common questions about bearing: R-8A. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-808-8337?
The FSCG of the NSN 3120-00-808-8337 is 3120
Does the NSN 3120-00-808-8337 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-00-808-8337 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 3120-00-808-8337 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-808-8337 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 3120-00-808-8337 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

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