311W

View detailed technical data, stock status, and sourcing information for: 311W
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-155-9546

Item Name Code

00014

Assigment Date

01/01/1963 (63 years ago)

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

29.00 millimeters nominal outer ring width, 1.9375 inches nominal inner ring width, ground surface finish, 55.00 millimeters nominal bore diameter, 120.00 millimeters nominal overall outside diameter

Product Characteristics

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

Bore Diameter: 55.00 millimeters nominal
Overall Outside Diameter: 120.00 millimeters nominal
Outer Ring Width: 29.00 millimeters nominal
Inner Ring Width: 1.9375 inches nominal
Surface Finish: ground
Load Direction: radial
Bore Shape: straight
Internal Fit-Up Designation: standard
Standard Tolerance Designation: abec no.1
Material: steel ball
Material: steel inner ring
Material: steel outer ring
Style Designator: non-loading groove, non-separable

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
311SW1	Annular Ball Bearing
311W	Annular Ball Bearing
6311WIRCE1TX9	Annular Ball Bearing
I72311	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-155-9546?

The FSCG of the NSN 3110-00-155-9546 is 3110

Does the NSN 3110-00-155-9546 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-155-9546 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 3110-00-155-9546 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-155-9546 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 3110-00-155-9546 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963