BB21720 Plain Bearing Unit

Comprehensive specifications and application details for: BB21720 Plain Bearing Unit.

Summary

Explore detailed summary information for bearing: BB21720. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: BB21720
Federal Supply Classification: 3130 Mounted Bearings
(NSN) National Stock Number: 3130-00-706-3764
Item Name Code: 30557
Federal Item Identification Guide: A093A0
Assigment Date: 01/01/1963

An assembled unit, composed of a housing incorporating a plain bearing, or bearings, designed to meet various or specific conditions of mounting.

rigid alignment type, 4.9910 inches minimum and 4.9960 inches maximum housing diameter, 4.0625 inches minimum and 4.1875 inches maximum housing length, 3.2500 inches nominal bore diameter, 4.9910 inches minimum and 4.9960 inches maximum housing width

Datasheet

Below are the comprehensive technical specifications for bearing: 3130-00-706-3764 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type: rigid
Bore Diameter: 3.2500 inches nominal
Housing Diameter: 4.9910 inches minimum and 4.9960 inches maximum
Housing Length: 4.0625 inches minimum and 4.1875 inches maximum
Housing Width: 4.9910 inches minimum and 4.9960 inches maximum
Lubrication Material: grease
Lubrication Fitting Angle From Horizontal Centerline: 0.0 degrees nominal
Lubrication Fitting Type: hydraulic
Material: iron cast housing

Frequently Asked Questions

Find quick answers to common questions about bearing: BB21720. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3130-00-706-3764?: The FSCG of the NSN 3130-00-706-3764 is 3130

Does the NSN 3130-00-706-3764 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3130-00-706-3764 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 3130-00-706-3764 contain precious materials?: Precious metal content is unknown

Does NSN 3130-00-706-3764 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.