305DD3

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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-106-3931

Item Name Code

00014

Assigment Date

01/16/1981 (45 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.

62.00 millimeters nominal overall outside diameter, pressed retainer fabrication method, 17.00 millimeters nominal overall width, ground surface finish, 25.00 millimeters nominal bore 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: 17.00 millimeters nominal
Bore Diameter: 25.00 millimeters nominal
Overall Outside Diameter: 62.00 millimeters nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Seal Quantity: 2
Bearing Seal Type: contact
Load Direction: radial
Bore Shape: straight
Special Features: 30 to 50 pct full of specified lubricant.
Lubrication Material: grease
Lubrication Material Document And Classification: sri-2,fscm 19252 mfr ref single material response
Material: rubber synthetic seal
Material: steel ball
Material: steel inner ring
Material: steel outer ring
Material: steel retainer
Style Designator: non-loading groove, 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
119531A	Annular Ball Bearing
305DD3	Annular Ball Bearing
305SZZ	Annular Ball Bearing
5P7807	Annular Ball Bearing
7CA230	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-106-3931?

The FSCG of the NSN 3110-01-106-3931 is 3110

Does the NSN 3110-01-106-3931 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-01-106-3931 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 3110-01-106-3931 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-106-3931 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 3110-01-106-3931 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Fri, Jan 16, 1981