K3878

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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-100-3109

Item Name Code

00023

Assigment Date

01/01/1961 (65 years ago)

An assembled inner component of a tapered roller bearing, consisting of a cone (which provides a contact surface for the rolling elements of the bearing), a complement of tapered rollers (the rolling elements), and frequently a retainer (which spaces the rolling elements).

afbma class 2 standard tolerance designation, 0.0312 inches nominal cone corner radius, steel overall material, 1.1875 inches nominal cone width, 1.4375 inches 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.

Bore Diameter: 1.4375 inches nominal
Cone Corner Radius: 0.0312 inches nominal
Cone Width: 1.1875 inches nominal
Standard Tolerance Designation: afbma class 2
Material: steel overall
Style Designator: normal angle

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
188282	Tapered Roller Cone and Rollers
209MAS1	Tapered Roller Cone and Rollers
30194	Tapered Roller Cone and Rollers
31R88	Tapered Roller Cone and Rollers
38219	Tapered Roller Cone and Rollers
3878	Tapered Roller Cone and Rollers
41813-133	Tapered Roller Cone and Rollers
4922A	Tapered Roller Cone and Rollers
705314	Tapered Roller Cone and Rollers
712181	Tapered Roller Cone and Rollers
826859	Tapered Roller Cone and Rollers
856859	Tapered Roller Cone and Rollers
BRTV1	Tapered Roller Cone and Rollers
BT3878	Tapered Roller Cone and Rollers
K3878	Tapered Roller Cone and Rollers

FAQs

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

What is the FSCG of the NSN 3110-00-100-3109?

The FSCG of the NSN 3110-00-100-3109 is 3110

Does the NSN 3110-00-100-3109 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-100-3109 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 3110-00-100-3109 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-100-3109 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 3110-00-100-3109 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961