30311A

View detailed technical data, stock status, and sourcing information for: 30311A
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-057-9579

Item Name Code

00021

Assigment Date

03/22/1978 (48 years ago)

55.0 millimeters nominal bore diameter, 6.5 millimeters nominal standout width, 31.5 millimeters nominal overall width, 120.0 millimeters nominal overall outside diameter, 2.0 millimeters nominal backface corner radius

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Width: 31.5 millimeters nominal
Bore Diameter: 55.0 millimeters nominal
Overall Outside Diameter: 120.0 millimeters nominal
Backface Corner Radius: 2.0 millimeters nominal
Standout Width: 6.5 millimeters nominal
Cone Corner Radius: 2.5 millimeters nominal
Cone Width: 29.0 millimeters nominal
Cup Width: 25.0 millimeters nominal
Retainer Fabrication Method: pressed
Material: steel overall
Style Designator: straight bore, normal angle

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
30311-92KA1	Tapered Roller Bearing
30311-9UKA1	Tapered Roller Bearing
30311-KA1	Tapered Roller Bearing
30311A	Tapered Roller Bearing
30311J2/Q	Tapered Roller Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3110-01-057-9579?

The FSCG of the NSN 3110-01-057-9579 is 3110

Does the NSN 3110-01-057-9579 have a Schedule B code assigned?

Yes, the Schedule B code is 8482200030

Does NSN 3110-01-057-9579 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 3110-01-057-9579 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-057-9579 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.

When the NSN 3110-01-057-9579 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Wed, Mar 22, 1978