MR301EX

View detailed technical data, stock status, and sourcing information for: MR301EX
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-165-1745

Item Name Code

00015

Assigment Date

11/19/1971 (54 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.

rbec no.1 standard tolerance designation, ground surface finish, nonlocating locating feature, standard internal fit-up designation, machined retainer fabrication method

Product Characteristics

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

Surface Finish: ground
Retainer Fabrication Method: machined
Locating Feature: nonlocating
Internal Fit-Up Designation: standard
Standard Tolerance Designation: rbec no.1
Special Features: no inner ring
Material: copper alloy retainer
Material: steel comp e52100 outer ring
Material: steel comp e52100 roller

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
180779-1	Cylindrical Roller Bearing
MR301EX	Cylindrical Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-165-1745?

The FSCG of the NSN 3110-00-165-1745 is 3110

Does the NSN 3110-00-165-1745 have a Schedule B code assigned?

Yes, the Schedule B code is 8482500000

Does NSN 3110-00-165-1745 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 3110-00-165-1745 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-165-1745 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 3110-00-165-1745 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Nov 19, 1971