RB12 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: RB12 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: RB12. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: RB12
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-661-7098
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.

52.0 rockwell c nominal inner member hardness rating, 0.7450 inches minimum and 0.7500 inches maximum inner member width, groove internal outer member lubrication feature, groove external outer member lubrication feature, 0.7495 inches minimum and 0.7500 inches maximum bore diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-661-7098 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.7495 inches minimum and 0.7500 inches maximum
Hardness Rating: 52.0 rockwell c nominal inner member
Inner Member Width: 0.7450 inches minimum and 0.7500 inches maximum
Lubrication Feature: groove external outer member
Lubrication Feature: groove internal outer member
Lubrication Feature: perforation outer race member
Material: copper alloy outer race member
Material: steel comp e52100 inner member
Outer Member Outside Diameter: 1.4370 inches minimum and 1.4375 inches maximum
Outer Member Width: 0.5880 inches minimum and 0.5980 inches maximum
Style Designator: without insert or liner
Surface Treatment: cadmium outer race member
Surface Treatment: chromium inner member

Replaces

The NSN 3120-00-661-7098 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-517-8712	No Name Available	01/01/1960
3120-00-770-9141	No Name Available	09/25/1970

Frequently Asked Questions

Find quick answers to common questions about bearing: RB12. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-661-7098?: The FSCG of the NSN 3120-00-661-7098 is 3120

Does the NSN 3120-00-661-7098 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-661-7098 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 3120-00-661-7098 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-661-7098 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.