77388 Rod End Plain Bearing

Comprehensive specifications and application details for: 77388 Rod End Plain Bearing.

Summary

Explore detailed summary information for bearing: 77388. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 77388
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-904-9057
Item Name Code: 13209
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1960

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 outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes:bearing, plain, spherical and bearing, plain, self-aligning.

2.1250 inches nominal bore center to shank end distance, 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member hardness rating, 0.3745 inches minimum and 0.3750 inches maximum bore diameter, 23.0 rockwell c minimum and 35.0 rockwell c maximum race insert hardness rating, 36.0 rockwell c minimum and 42.0 rockwell c maximum rod end body hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-904-9057 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.3745 inches minimum and 0.3750 inches maximum
Bore Center To Shank End Distance: 2.1250 inches nominal
Hardness Rating: 36.0 rockwell c minimum and 42.0 rockwell c maximum rod end body
Hardness Rating: 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Hardness Rating: 23.0 rockwell c minimum and 35.0 rockwell c maximum race insert
Inner Member Width: 0.8080 inches minimum and 0.8130 inches maximum
Overall Length: 2.6875 inches nominal
Material: plastic polytetrafluoroethylene right end surface
Material: steel comp 4130 rod end body
Material: steel comp 440c inner member
Material: steel comp 630 race insert
Outer Member Outside Diameter: 1.1250 inches nominal
Outer Member Width: 0.3500 inches minimum and 0.3600 inches maximum
Shank Thread Length: 1.3750 inches nominal
Shank Style: externally threaded
Special Features: nas559 std keyway in shank
Static Radial Load Rating: 3540 pounds
Style Designator: ball type
Surface Treatment: cadmium rod end body
Surface Treatment: chromium inner member
Test Data Document: "81349-mil-i-6868 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Thread Class: 3a
Thread Diameter: 0.438 inches nominal
Thread Direction: right-hand
Thread Quantity Per Inch: 20
Thread Series Designator: unf

Frequently Asked Questions

Find quick answers to common questions about bearing: 77388. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-904-9057?: The FSCG of the NSN 3120-00-904-9057 is 3120

Does the NSN 3120-00-904-9057 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-00-904-9057 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 3120-00-904-9057 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-904-9057 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.