R4MR5

View detailed technical data, stock status, and sourcing information for: R4MR5
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-097-4976

Item Name Code

00014

Assigment Date

07/14/1980 (46 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

ground surface finish, 0.1950 inches minimum and 0.1960 inches maximum overall width, 0.2498 inches minimum and 0.2500 inches maximum bore diameter, 0.6248 inches minimum and 0.6250 inches maximum overall outside diameter, pressed retainer fabrication method

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Width: 0.1950 inches minimum and 0.1960 inches maximum
Bore Diameter: 0.2498 inches minimum and 0.2500 inches maximum
Overall Outside Diameter: 0.6248 inches minimum and 0.6250 inches maximum
Surface Finish: ground
Retainer Fabrication Method: pressed
Load Direction: radial
Bore Shape: straight
Internal Clearance: 0.0005 inches minimum radial and 0.0008 inches maximum radial
Standard Tolerance Designation: abec no.7
Special Features: stabilized for operation from m65 deg f to p250 deg f,c56.0 to c64.0 rockwell hardness rings and balls
Lubrication Material: lubricant
Lubrication Material Document And Classification: mil-b-197 mil spec single material response
Material: steel comp 440c ball
Material: steel comp 440c outer ring
Material: steel comp 440c inner ring
Material: steel comp 410 retainer
Material Document And Classification: fed std 66,aisi 410/sae 51410 fed std single material response retainer
Material Document And Classification: fed std 66,aisi 440c fed std single material response ball
Material Document And Classification: fed std 66,aisi 440c fed std single material response inner ring
Material Document And Classification: fed std 66,aisi 440c fed std single material response outer ring
Style Designator: non-loading groove, non-separable
Test Data Document: "73030-738034-1 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.)."

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
738034	Annular Ball Bearing
738034-1	Annular Ball Bearing
R4MR5	Annular Ball Bearing
SR4	Annular Ball Bearing
SR4C7P58	Annular Ball Bearing
SR4K58	Annular Ball Bearing
SSR-4HA7T58L01P	Annular Ball Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3110-01-097-4976?

The FSCG of the NSN 3110-01-097-4976 is 3110

Does the NSN 3110-01-097-4976 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-01-097-4976 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 3110-01-097-4976 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-097-4976 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 3110-01-097-4976 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Mon, Jul 14, 1980