HFR-4M Rod End Plain Bearing

Comprehensive specifications and application details for: HFR-4M Rod End Plain Bearing.

Summary

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

Part Number: HFR-4M
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-085-6795
Item Name Code: 13209
Federal Item Identification Guide: A045A0
Assigment Date: 11/12/1979

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.

1.3020 inches minimum and 1.3220 inches maximum bore center to shank end distance, 0.2495 inches minimum and 0.2515 inches maximum bore diameter, 0.3700 inches minimum and 0.3750 inches maximum inner member width, 60.0 rockwell c minimum inner member hardness rating, 0.3070 inches minimum and 0.3170 inches maximum inspection hole center to end distance

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-085-6795 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2495 inches minimum and 0.2515 inches maximum
Bore Center To Shank End Distance: 1.3020 inches minimum and 1.3220 inches maximum
Hardness Rating: 60.0 rockwell c minimum inner member
Inner Member Width: 0.3700 inches minimum and 0.3750 inches maximum
Inspection Hole Center To End Distance: 0.3070 inches minimum and 0.3170 inches maximum
Overall Length: 1.6770 inches minimum and 1.6970 inches maximum
Material: steel inner member
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: 0.4580 inches minimum and 0.4780 inches maximum
Shank Style: internally threaded w/bead and wrench flats and inspection hole
Shank Thread Length: 0.7500 inches nominal
Static Radial Load Rating: 1550 pounds
Special Features: rod end body is magnafluxed
Style Designator: ball type
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 2 fed spec single treatment response rod end body
Surface Treatment: cadmium rod end body
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 3120-01-085-6795 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-01-208-8990	No Name Available	08/01/2020

Frequently Asked Questions

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

What is the FSCG of the NSN 3120-01-085-6795?: The FSCG of the NSN 3120-01-085-6795 is 3120

Does the NSN 3120-01-085-6795 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-01-085-6795 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 3120-01-085-6795 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-085-6795 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.