B3717A Needle Roller Bearing

Comprehensive specifications and application details for: B3717A Needle Roller Bearing.

Summary

Explore detailed summary information for bearing: B3717A. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: B3717A
Federal Supply Classification: 3110 Unmounted Antifriction Bearings
(NSN) National Stock Number: 3110-00-278-7144
Item Name Code: 00051
Federal Item Identification Guide: A044A0
Assigment Date: 01/01/1963

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

rigid alignment type, grease lubrication material, mil-g-23827 mil spec single material response lubrication material document and classification, 3.2494 inches minimum and 3.2500 inches maximum bore diameter, 0.8050 inches minimum and 0.8100 inches maximum inner ring width

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-278-7144 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type: rigid
Bore Diameter: 3.2494 inches minimum and 3.2500 inches maximum
Inner Ring Width: 0.8050 inches minimum and 0.8100 inches maximum
Lubrication Material Document And Classification: mil-g-23827 mil spec single material response
Lubrication Material: grease
Outer Ring Width: 0.7950 inches minimum and 0.8000 inches maximum
Overall Outside Diameter: 3.9992 inches minimum and 4.0000 inches maximum
Overall Width: 0.8000 inches nominal
Material: steel overall
Retainer Fabrication Method: pressed
Special Features: two 0.1250 in. dia through holes 180 deg apart on outer ring 0.4060 in. from end
Style Designator: cam roller, hardened and ground, non-separable
Surface Finish: ground
Surface Treatment: cadmium all external/exposed metal surfaces

Frequently Asked Questions

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What is the FSCG of the NSN 3110-00-278-7144?: The FSCG of the NSN 3110-00-278-7144 is 3110

Does the NSN 3110-00-278-7144 have a Schedule B code assigned?: Yes, the Schedule B code is 8482400000

Does NSN 3110-00-278-7144 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 3110-00-278-7144 contain precious materials?: Precious metal content is unknown

Does NSN 3110-00-278-7144 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.