187956 Linear-Rotary Motion Roller

Comprehensive specifications and application details for: 187956 Linear-Rotary Motion Roller.

Summary

Explore detailed summary information for bearing: 187956. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 187956
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-162-2860
Item Name Code: 28215
Federal Item Identification Guide: T267-K
Assigment Date: 09/17/1983

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.

0.231 inches minimum and 0.237 inches maximum face width, 0.025 in. min and 0.040 in. max radius chamfer/radius of outside corner, 0.439 inches minimum and 0.440 inches maximum bore inside diameter, 0.998 inches minimum and 1.002 inches maximum outside diameter, not casehardened casehardening indicator

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-162-2860 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Inside Diameter: 0.439 inches minimum and 0.440 inches maximum
Casehardening Indicator: not casehardened
Chamfer/Radius Of Outside Corner: 0.025 in. min and 0.040 in. max radius
Face Width: 0.231 inches minimum and 0.237 inches maximum
Outside Diameter: 0.998 inches minimum and 1.002 inches maximum
Material Document And Classification: qq-c-530,alloy 172 fed spec single material response
Material: copper alloy 172
Metallic Hardness Rating: 38.0 minimum rockwell c and 42.0 maximum rockwell c
Special Features: bore surface to be 63 microinch finish
Style Designator: plain
Surface Treatment Document And Classification: mil-f-495 mil spec single treatment response
Surface Treatment: oxide
Test Data Document: "81349-mil-i-6866 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.)."

Frequently Asked Questions

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What is the FSCG of the NSN 3120-01-162-2860?: The FSCG of the NSN 3120-01-162-2860 is 3120

Does the NSN 3120-01-162-2860 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-01-162-2860 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 3120-01-162-2860 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-162-2860 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.