R4FFMST

Comprehensive specifications and application details for: R4FFMST Annular Ball Bearing.

Summary

Explore detailed summary information for bearing: R4FFMST. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
R4FFMST
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-428-6505
Item Name Code
00014
Federal Item Identification Guide
A044A0
Assigment Date
04/28/1971

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.

straight bore shape, radial load direction, 0.2500 inches nominal bore diameter, 0.0001 inches minimum radial and 0.0005 inches maximum radial internal clearance, mil-g-81322 mil spec single material response lubrication material document and classification

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-428-6505 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.2500 inches nominal
Bore Shape
straight
Internal Clearance
0.0001 inches minimum radial and 0.0005 inches maximum radial
Load Direction
radial
Lubrication Material Document And Classification
mil-g-81322 mil spec single material response
Lubrication Material
grease
Overall Outside Diameter
0.6250 inches nominal
Overall Width
0.1960 inches nominal
Material Document And Classification
cyrb278-1,05624 mfr ref single material response retainer
Material Document And Classification
cyrb278-1,05624 mfr ref single material response shield
Material Document And Classification
fed-std-66 fed std single material response inner ring
Material Document And Classification
fed-std-66 fed std single material response ball
Material Document And Classification
fed-std-66 fed std single material response outer ring
Material
steel comp 440c ball
Material
steel comp 440c outer ring
Material
steel comp 440c inner ring
Material
steel retainer
Material
steel shield
Retainer Fabrication Method
pressed
Shield Quantity
2
Special Features
lubricant 1/2 full
Standard Tolerance Designation
abec no.1
Style Designator
non-loading groove, non-separable
Surface Finish
ground

Frequently Asked Questions

Find quick answers to common questions about bearing: R4FFMST. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-428-6505?
The FSCG of the NSN 3110-00-428-6505 is 3110
Does the NSN 3110-00-428-6505 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-428-6505 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 3110-00-428-6505 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-428-6505 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.
When the NSN 3110-00-428-6505 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Apr 28, 1971

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