HR20685 Linear-Rotary Motion Roller

Comprehensive specifications and application details for: HR20685 Linear-Rotary Motion Roller.

Summary

Explore detailed summary information for bearing: HR20685. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: HR20685
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-288-4852
Item Name Code: 28215
Federal Item Identification Guide: T267-K
Assigment Date: 01/01/1963

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.

0.969 inches nominal bore length, 0.031 in. chamfer/radius of outside corner, 0.016 in. by 45 deg chamfer/radius of inside corner, casehardened casehardening indicator, 0.9325 inches minimum and 0.9380 inches maximum bore inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-288-4852 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Length: 0.969 inches nominal
Bore Inside Diameter: 0.9325 inches minimum and 0.9380 inches maximum
Casehardening Indicator: casehardened
Chamfer/Radius Of Inside Corner: 0.016 in. by 45 deg
Chamfer/Radius Of Outside Corner: 0.031 in.
Face Width: 0.611 inches minimum and 0.616 inches maximum
Hub Diameter: 1.250 inches nominal
Outside Diameter: 2.495 inches minimum and 2.505 inches maximum
Material: steel
Metallic Hardness Rating: 58.0 minimum rockwell c and 60.0 maximum rockwell c
Special Features: 0.125 in. radius hub to face
Style Designator: plain, protruding hubs

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-288-4852?: The FSCG of the NSN 3120-00-288-4852 is 3120

Does the NSN 3120-00-288-4852 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-288-4852 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 3120-00-288-4852 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-288-4852 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.