CYR3

View detailed technical data, stock status, and sourcing information for: CYR3
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-421-9991

Item Name Code

00051

Assigment Date

02/09/1972 (54 years ago)

An item designed to transmit manual, rotary or linear motion to other devices. May include detachable or nondetachable stud (shaft), pointer, or skirt. It may have reference markings in the form of dots, arrows, hairlines, and/or symbols which may be used in conjunction with a calibrated panel, vernier indicator, and the like to indicate the position or motion of items. For items having spokes or simulated spokes radiating from near the center to near the outside rim of the item and relatively thin round disk-shaped items 3 inches (76.2 mm) in diameter or over, see handwheel. For items calibrated in units or series of divisions to denote relative positioning of devices see dial, control. Excludes:doorknob; and handle (as modified).

1.8025 inches minimum and 1.8175 inches maximum inner ring width, 0.9995 inches minimum and 1.0001 inches maximum bore diameter, ground surface finish, 2.9990 inches minimum and 3.0000 inches maximum overall outside diameter, 1.7450 inches minimum and 1.7500 inches maximum outer ring width

Product Characteristics

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

Bore Diameter: 0.9995 inches minimum and 1.0001 inches maximum
Overall Outside Diameter: 2.9990 inches minimum and 3.0000 inches maximum
Outer Ring Width: 1.7450 inches minimum and 1.7500 inches maximum
Inner Ring Width: 1.8025 inches minimum and 1.8175 inches maximum
Surface Finish: ground
Retainer Fabrication Method: pressed
Alignment Type: rigid
Special Features: oil hole and oil groove in inner ring
Material: steel overall
Style Designator: cam roller, hardened and ground, 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
CYR3	Needle Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-421-9991?

The FSCG of the NSN 3110-00-421-9991 is 3110

Does the NSN 3110-00-421-9991 have a Schedule B code assigned?

Yes, the Schedule B code is 8482400000

Does NSN 3110-00-421-9991 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 3110-00-421-9991 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-421-9991 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 3110-00-421-9991 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Feb 9, 1972