3110-01-281-3445

Find complete technical information, availability, and procurement data for: 3110-01-281-3445
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-281-3445

Item Name Code

00040

Assigment Date

06/22/1988 (38 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

1.3750 inches nominal thread length, right-hand thread direction, 2a thread class, 3.4990 inches minimum and 3.5000 inches maximum overall outside diameter, 4.7812 inches nominal overall length

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 1.3750 inches nominal
Overall Length: 4.7812 inches nominal
Overall Outside Diameter: 3.4990 inches minimum and 3.5000 inches maximum
Stud Diameter: 1.3750 inches minimum and 1.3760 inches maximum
Outer Ring Width: 1.9950 inches minimum and 2.0000 inches maximum
Stud Length: 2.7500 inches nominal
Seal Quantity: 2
Bearing Seal Type: contact
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.375 inches
Special Features: means for relubrication,hex socket
Material: plastic acetal seal
Material: steel inner ring
Material: steel outer ring
Material: steel roller
Surface Treatment: oxide all external/exposed metal surfaces
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
CR-3 1/2-XB	Needle Bearing Cam Follower

FAQs

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

What is the FSCG of the NSN 3110-01-281-3445?

The FSCG of the NSN 3110-01-281-3445 is 3110

Does the NSN 3110-01-281-3445 have a Schedule B code assigned?

Yes, the Schedule B code is 8482400000

Does NSN 3110-01-281-3445 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 3110-01-281-3445 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-281-3445 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 3110-01-281-3445 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, Jun 22, 1988