E1203U

View detailed technical data, stock status, and sourcing information for: E1203U
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-245-8893

Item Name Code

00015

Assigment Date

07/09/1969 (57 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

machined retainer fabrication method, 12.0 millimeters nominal overall width, ground surface finish, 17.0 millimeters nominal bore diameter, 40.0 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.

Overall Width: 12.0 millimeters nominal
Bore Diameter: 17.0 millimeters nominal
Overall Outside Diameter: 40.0 millimeters nominal
Surface Finish: ground
Retainer Fabrication Method: machined
Bore Shape: straight
Locating Feature: nonlocating
Internal Fit-Up Designation: standard
Standard Tolerance Designation: rbec no.1
Material: steel overall
Style Designator: single row, non-locating, cylindrical inner ring, two lip outer ring, separable

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-155-7412	No Name Available	02/01/1988

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
00543102-0002	Cylindrical Roller Bearing
E1203U	Cylindrical Roller Bearing
E1203U-440	Cylindrical Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-245-8893?

The FSCG of the NSN 3110-00-245-8893 is 3110

Does the NSN 3110-00-245-8893 have a Schedule B code assigned?

Yes, the Schedule B code is 8482500000

Does NSN 3110-00-245-8893 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 3110-00-245-8893 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-245-8893 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 3110-00-245-8893 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Jul 9, 1969