PB20A Ball Bearing Unit

Comprehensive specifications and application details for: PB20A Ball Bearing Unit.

Summary

Explore detailed summary information for bearing: PB20A. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: PB20A
Federal Supply Classification: 3130 Mounted Bearings
(NSN) National Stock Number: 3130-00-515-0008
Item Name Code: 30556
Federal Item Identification Guide: A093A0
Assigment Date: 08/07/1974

An assembled unit, composed of a housing incorporating a single or multiple row ball bearing(s), designed to meet various or specific conditions of mounting.

fixed block type, 2.7500 inches nominal base length, 3.6250 inches nominal assembly overall length, 0.4375 inches nominal base thickness, rigid alignment type

Datasheet

Below are the comprehensive technical specifications for bearing: 3130-00-515-0008 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type: rigid
Assembly Overall Length: 3.6250 inches nominal
Base Length: 2.7500 inches nominal
Base Thickness: 0.4375 inches nominal
Block Type: fixed
Bore Diameter: 1.2500 inches nominal
Center To Center Distance Between Mounting Holes Along Width: 2.9900 inches minimum and 3.0100 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 1.8650 inches minimum and 1.8850 inches maximum
Features Provided: ground rolling element groove
Height From Bottom Of Base To Bore Centerline: 1.7450 inches minimum and 1.7550 inches maximum
Housing Height: 3.2500 inches nominal
Housing Width: 4.0000 inches nominal
Internal Fit-Up Designation: standard
Load Capability Type: radial
Lubrication Material: grease
Material Document And Classification: aisi assn std single material response ball
Material: iron cast housing
Material: rubber synthetic seal
Material: steel comp e52100 ball
Mounting Hole Diameter: 0.3438 inches nominal
Mounting Hole Type: round, unthreaded
Seal Location: both ends
Seal Type: contact
Shaft End Type: open

Frequently Asked Questions

Find quick answers to common questions about bearing: PB20A. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3130-00-515-0008?: The FSCG of the NSN 3130-00-515-0008 is 3130

Does the NSN 3130-00-515-0008 have a Schedule B code assigned?: Yes, the Schedule B code is 8482991050

Does NSN 3130-00-515-0008 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 3130-00-515-0008 contain precious materials?: Precious metal content is unknown

Does NSN 3130-00-515-0008 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.