CRB-4-106 Rod End Plain Bearing

Comprehensive specifications and application details for: CRB-4-106 Rod End Plain Bearing.

Summary

Explore detailed summary information for bearing: CRB-4-106. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: CRB-4-106
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-684-5321
Item Name Code: 13209
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 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.

0.2495 inches minimum and 0.2515 inches maximum bore diameter, 1.3120 inches nominal bore center to shank end distance, 26.0 rockwell c minimum rod end body hardness rating, 0.3700 inches minimum and 0.3750 inches maximum inner member width, external lubrication fitting features provided

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-684-5321 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2495 inches minimum and 0.2515 inches maximum
Bore Center To Shank End Distance: 1.3120 inches nominal
Features Provided: external lubrication fitting
Hardness Rating: 26.0 rockwell c minimum rod end body
Inner Member Width: 0.3700 inches minimum and 0.3750 inches maximum
Inspection Hole Center To End Distance: 0.3125 inches nominal
Overall Length: 1.6720 inches minimum and 1.7020 inches maximum
Material: copper alloy race insert
Material: steel inner member
Material: steel rod end body
Outer Member Outside Diameter: 0.7400 inches minimum and 0.7600 inches maximum
Outer Member Width: 0.2760 inches minimum and 0.2860 inches maximum
Shank Width Across Wrench Flats: 0.3750 inches nominal
Shank Style: internally threaded w/bead and wrench flats and inspection hole
Shank Thread Length: 0.7500 inches nominal
Style Designator: ball type
Thread Class: 3b
Thread Diameter: 0.250 inches nominal
Thread Direction: right-hand
Thread Quantity Per Inch: 28
Thread Series Designator: unf

Replaces

The NSN 3120-00-684-5321 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-661-7544	No Name Available	04/01/2008
3120-00-851-6676	No Name Available	01/01/1984

Frequently Asked Questions

Find quick answers to common questions about bearing: CRB-4-106. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-684-5321?: The FSCG of the NSN 3120-00-684-5321 is 3120

Does the NSN 3120-00-684-5321 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-00-684-5321 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 3120-00-684-5321 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-684-5321 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.