TWN-20 Ball Bearing Unit

Comprehensive specifications and application details for: TWN-20 Ball Bearing Unit.

Summary

Explore detailed summary information for bearing: TWN-20. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: TWN-20
Federal Supply Classification: 3130 Mounted Bearings
(NSN) National Stock Number: 3130-01-145-8457
Item Name Code: 30556
Federal Item Identification Guide: A093A0
Assigment Date: 01/20/1983

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.

7.5000 inches nominal assembly overall length, 0.4400 inches nominal base thickness, 7.5000 inches nominal base length, fixed block type, self-aligning alignment type

Datasheet

Below are the comprehensive technical specifications for bearing: 3130-01-145-8457 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type: self-aligning
Assembly Overall Length: 7.5000 inches nominal
Base Length: 7.5000 inches nominal
Base Thickness: 0.4400 inches nominal
Block Type: fixed
Bore Diameter: 1.2500 inches nominal
Center To Center Distance Between Mounting Holes Along Width: 3.5000 inches nominal
Center To Center Distance Between Mounting Holes Along Length: 5.5000 inches nominal
Height From Bottom Of Base To Bore Centerline: 1.5000 inches nominal
Housing Height: 2.8200 inches nominal
Housing Length: 7.5000 inches nominal
Housing Width: 4.0000 inches nominal
Internal Fit-Up Designation: standard
Load Capability Type: radial and thrust
Lubrication Material: oil
Lubrication Fitting Type: self lubricated
Material: aluminum alloy 6061 housing
Material: rubber synthetic seal
Material: steel bearing
Mounting Hole Diameter: 0.2180 inches nominal
Mounting Hole Type: round, unthreaded
Seal Location: both ends
Seal Type: contact
Shaft End Type: open

Frequently Asked Questions

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What is the FSCG of the NSN 3130-01-145-8457?: The FSCG of the NSN 3130-01-145-8457 is 3130

Does the NSN 3130-01-145-8457 have a Schedule B code assigned?: Yes, the Schedule B code is 8482991050

Does NSN 3130-01-145-8457 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 3130-01-145-8457 contain precious materials?: Precious metal content is unknown

Does NSN 3130-01-145-8457 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.