211491

View detailed technical data, stock status, and sourcing information for: 211491
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-971-0661

Item Name Code

00015

Assigment Date

01/01/1960 (66 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.

13.00 millimeters nominal overall width, machined retainer fabrication method, 30.00 millimeters nominal bore diameter, ground surface finish, 55.00 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.

Overall Width: 13.00 millimeters nominal
Bore Diameter: 30.00 millimeters nominal
Overall Outside Diameter: 55.00 millimeters nominal
Surface Finish: ground
Retainer Fabrication Method: machined
Bore Shape: straight
Locating Feature: nonlocating
Internal Clearance: 0.0015 inches minimum radial and 0.0019 inches maximum radial
Standard Tolerance Designation: rbec no.5
Material: copper alloy retainer
Material: steel inner ring
Material: steel outer ring
Material: steel roller
Style Designator: single row, one-direction locating, two lip inner ring, one lip outer ring, 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
211491	Cylindrical Roller Bearing
211491 REV J	Cylindrical Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-971-0661?

The FSCG of the NSN 3110-00-971-0661 is 3110

Does the NSN 3110-00-971-0661 have a Schedule B code assigned?

Yes, the Schedule B code is 8482500000

Does NSN 3110-00-971-0661 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3110-00-971-0661 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-971-0661 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 3110-00-971-0661 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960