R2MR3

View detailed technical data, stock status, and sourcing information for: R2MR3

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R2MR3
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-289-6704
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.

0.3750 inches nominal overall outside diameter, pressed retainer fabrication method, ground surface finish, 0.1250 inches nominal bore diameter, 0.1562 inches nominal overall width

Product Characteristics

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

Overall Width
0.1562 inches nominal
Bore Diameter
0.1250 inches nominal
Overall Outside Diameter
0.3750 inches nominal
Surface Finish
ground
Retainer Fabrication Method
pressed
Load Direction
radial
Bore Shape
straight
Internal Fit-Up Designation
standard
Standard Tolerance Designation
abec no.3
Material
steel overall
Style Designator
non-loading groove, non-separable

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3110-00-151-8159 No Name Available 04/01/1984
3110-00-155-9581 No Name Available 04/01/1984
3110-00-183-5785 No Name Available 10/06/1971
3110-00-274-4957 No Name Available 07/01/1991
3110-00-278-7325 No Name Available 08/01/1976
3110-00-787-4524 No Name Available 12/01/1976
3110-01-126-3324 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
AA59644-101FATF Annular Ball Bearing
FF-B-2844/02-AA1FC Annular Ball Bearing
M33K3FS25856 Annular Ball Bearing
R2MR3 Annular Ball Bearing
R2SXA7Y Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-289-6704?
The FSCG of the NSN 3110-00-289-6704 is 3110
Does the NSN 3110-00-289-6704 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-289-6704 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 3110-00-289-6704 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-00-289-6704 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 3110-00-289-6704 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

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  • AS9120 Quality Standards
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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Surplus 115
New Material 19
Total 134
Availability of this item was last updated on: 04/01/2026 07:04 PM EDT. Stock levels and pricing are subject to change.

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