CF-1/2-B

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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-274-5737

Item Name Code

00040

Assigment Date

03/10/1988 (38 years ago)

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes:bearing,ball,annular.

0.4990 inches minimum and 0.5000 inches maximum overall outside diameter, 1.0313 inches nominal overall length, 0.2500 inches minimum thread length, 3a thread class, right-hand thread direction

Product Characteristics

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

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.2500 inches minimum
Overall Length: 1.0313 inches nominal
Overall Outside Diameter: 0.4990 inches minimum and 0.5000 inches maximum
Stud Diameter: 0.1900 inches minimum and 0.1910 inches maximum
Outer Ring Width: 0.3700 inches minimum and 0.3750 inches maximum
Stud Length: 0.6250 inches nominal
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Special Features: hexagonal wrench socket in the head of the stud; means for relubrication
Material: steel overall
Style Designator: cam follower
Thread Series Designator: unf

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
3110PL1320150	Needle Bearing Cam Follower
CF-1/2-B	Needle Bearing Cam Follower
CR-1/2-B	Needle Bearing Cam Follower
CRB-8-1	Needle Bearing Cam Follower

FAQs

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

What is the FSCG of the NSN 3110-01-274-5737?

The FSCG of the NSN 3110-01-274-5737 is 3110

Does the NSN 3110-01-274-5737 have a Schedule B code assigned?

Yes, the Schedule B code is 8482400000

Does NSN 3110-01-274-5737 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 3110-01-274-5737 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-274-5737 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 3110-01-274-5737 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Mar 10, 1988