ST4M157-5

View detailed technical data, stock status, and sourcing information for: ST4M157-5
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-024-7599

Item Name Code

00051

Assigment Date

07/20/1976 (50 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

0.3121 inches minimum and 0.3127 inches maximum bore diameter, 0.9990 inches minimum and 1.0020 inches maximum overall outside diameter, 0.6200 inches minimum and 0.6250 inches maximum outer ring width, ground surface finish, 0.6875 inches nominal inner ring width

Product Characteristics

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

Bore Diameter: 0.3121 inches minimum and 0.3127 inches maximum
Overall Outside Diameter: 0.9990 inches minimum and 1.0020 inches maximum
Outer Ring Width: 0.6200 inches minimum and 0.6250 inches maximum
Inner Ring Width: 0.6875 inches nominal
Surface Finish: ground
Seal Quantity: 2
Bearing Seal Type: contact
Alignment Type: rigid
Standard Tolerance Designation: afbma std tolerance for industrial needle bearings
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-81322 mil spec single material response
Material: plastic seal
Material: steel comp 1117 washer
Material: steel comp e52100 inner ring
Material: steel comp e52100 outer ring
Material: steel comp e52100 roller
Material Document And Classification: aisi assn std single material response inner ring
Material Document And Classification: aisi assn std single material response outer ring
Material Document And Classification: aisi assn std single material response washer
Material Document And Classification: aisi assn std single material response roller
Surface Treatment: cadmium inner ring
Surface Treatment: cadmium roller
Surface Treatment: cadmium washer
Surface Treatment: chromium outer ring
Surface Treatment Document And Classification: qq-c-320,cl 2 fed spec single treatment response outer ring
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 2 fed spec single treatment response inner ring
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 2 fed spec single treatment response roller
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 2 fed spec single treatment response washer
Style Designator: cam roller, hardened and ground, non-separable

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
ST4M157-5	Needle Roller Bearing
YCRS16CP	Needle Roller Bearing
YR-1-X-CCP-155	Needle Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-024-7599?

The FSCG of the NSN 3110-01-024-7599 is 3110

Does the NSN 3110-01-024-7599 have a Schedule B code assigned?

Yes, the Schedule B code is 8482400000

Does NSN 3110-01-024-7599 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 3110-01-024-7599 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-024-7599 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 3110-01-024-7599 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Tue, Jul 20, 1976