R4FFM Annular Ball Bearing

Comprehensive specifications and application details for: R4FFM Annular Ball Bearing.

Summary

Explore detailed summary information for bearing: R4FFM. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: R4FFM
Federal Supply Classification: 3110 Unmounted Antifriction Bearings
(NSN) National Stock Number: 3110-00-227-4521
Item Name Code: 00014
Federal Item Identification Guide: A044A0
Assigment Date: 01/01/1963

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

radial load direction, straight bore shape, 0.0002 inches minimum radial and 0.0005 inches maximum radial internal clearance, standard internal fit-up designation, 0.2500 inches nominal bore diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-227-4521 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2500 inches nominal
Bore Shape: straight
Internal Clearance: 0.0002 inches minimum radial and 0.0005 inches maximum radial
Internal Fit-Up Designation: standard
Load Direction: radial
Lubrication Material Document And Classification: mil-g-23827 mil spec single material response
Lubrication Material: grease
Overall Outside Diameter: 0.6250 inches nominal
Overall Width: 0.1960 inches nominal
Material: steel corrosion resisting overall
Retainer Fabrication Method: pressed
Shield Quantity: 2
Standard Tolerance Designation: abec no.3
Style Designator: non-loading groove, non-separable
Surface Finish: ground

Replaces

The NSN 3110-00-227-4521 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3110-00-044-4155	No Name Available	01/01/1987
3110-00-141-9905	No Name Available	10/01/1976
3110-00-155-9630	No Name Available	02/01/1998
3110-00-175-1109	No Name Available	07/01/1986
3110-00-198-2299	No Name Available	08/01/1976
3110-00-227-2413	No Name Available	04/01/1984
3110-00-234-4789	No Name Available	04/01/1984
3110-00-239-7658	No Name Available	09/01/1983
3110-00-240-9629	No Name Available	05/01/1984
3110-00-278-6738	No Name Available	12/01/1976
3110-00-278-7259	No Name Available	10/01/1976
3110-00-278-7354	No Name Available	04/01/1984
3110-00-289-6739	No Name Available	05/01/1984
3110-00-333-7311	No Name Available	07/06/1998
3110-00-435-0392	No Name Available	09/01/1983
3110-00-461-8851	No Name Available	09/01/1983
3110-00-470-9147	No Name Available	04/01/2008
3110-00-516-7909	No Name Available	01/02/1975
3110-00-611-6391	No Name Available	06/24/1968
3110-00-624-0453	No Name Available	04/01/1984
3110-00-627-8726	No Name Available	11/01/1976
3110-00-690-0354	No Name Available	10/01/1976
3120-00-699-2398	No Name Available	01/02/1975
3110-00-720-2709	No Name Available	10/01/1976
3110-00-720-4776	No Name Available	02/01/1998
3110-00-728-0962	No Name Available	08/01/1976
3110-00-731-4262	No Name Available	08/01/1976
3110-00-805-5589	No Name Available	06/01/1977
3110-00-806-2649	No Name Available	07/16/2008
3110-00-834-6999	No Name Available	06/04/2008
3110-00-935-5634	No Name Available	01/30/2021
3110-01-107-3264	No Name Available	01/01/1988
3110-01-114-6203	No Name Available	07/01/1984

Frequently Asked Questions

Find quick answers to common questions about bearing: R4FFM. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-227-4521?: The FSCG of the NSN 3110-00-227-4521 is 3110

Does the NSN 3110-00-227-4521 have a Schedule B code assigned?: Yes, the Schedule B code is 8482105028

Does NSN 3110-00-227-4521 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 3110-00-227-4521 contain precious materials?: Item does not contain precious metal.

Does NSN 3110-00-227-4521 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.