3120-00-490-1937 Linear-Rotary Motion Roller

Comprehensive specifications and application details for NSN: 3120-00-490-1937.

Summary

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Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-490-1937
Item Name Code: 28215
Federal Item Identification Guide: T267-K
Assigment Date: 09/19/1969

A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes:bearing, roller, cylindrical; roller, electrical switch; and friction bearings. See also cam follower, needle bearing.

0.031 in by 30 deg chamfer chamfer/radius of outside corner, 0.030 in by 45 deg chamfer chamfer/radius of inside corner, not casehardened casehardening indicator, 0.249 inches nominal bore inside diameter, 0.228 inches nominal bore length

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-490-1937 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Inside Diameter: 0.249 inches nominal
Bore Length: 0.228 inches nominal
Casehardening Indicator: not casehardened
Chamfer/Radius Of Inside Corner: 0.030 in by 45 deg chamfer
Chamfer/Radius Of Outside Corner: 0.031 in by 30 deg chamfer
Face Width: 0.208 inches nominal
Hub Diameter: 0.344 inches nominal
Outside Diameter: 0.499 inches minimum and 0.500 inches maximum
Material Document And Classification: comp 8620 assn std single material response
Material: steel comp 8620
Metallic Hardness Rating: 58.0 minimum rockwell c and 62.0 maximum rockwell c
Style Designator: plain, protruding hubs

Related Bearings

Explore the various bearing models associated with this NSN. Click on any bearing below to view detailed technical data, performance ratings, and application guidelines.

Part Number	Name
A60578	Linear-Rotary Motion Roller

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-490-1937?: The FSCG of the NSN 3120-00-490-1937 is 3120

Does the NSN 3120-00-490-1937 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-490-1937 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 3120-00-490-1937 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-490-1937 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.