BT780

View detailed technical data, stock status, and sourcing information for: BT780
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-100-0694

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, mrap - cougar iss 1.0; mrap - cougar iss 1.5 end item identification, 1.8900 inches nominal cone width, 4.0000 inches nominal bore diameter, 0.1406 inches nominal cone corner radius

Product Characteristics

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

Bore Diameter: 4.0000 inches nominal
End Item Identification: mrap - cougar iss 1.0; mrap - cougar iss 1.5
Cone Corner Radius: 0.1406 inches nominal
Cone Width: 1.8900 inches nominal
Standard Tolerance Designation: afbma class 2
Material: steel overall
Style Designator: normal angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-01-237-1979	No Name Available	01/01/1993

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
0042881	Tapered Roller Cone and Rollers
0042881-3	Tapered Roller Cone and Rollers
01112-0356-4 ITEM 6-11	Tapered Roller Cone and Rollers
03112-0854-3 S/N 131124-131125	Tapered Roller Cone and Rollers
042881	Tapered Roller Cone and Rollers
119273	Tapered Roller Cone and Rollers
1B3939	Tapered Roller Cone and Rollers
242029	Tapered Roller Cone and Rollers
27901H	Tapered Roller Cone and Rollers
31000-0072	Tapered Roller Cone and Rollers
6042M	Tapered Roller Cone and Rollers
62AX45	Tapered Roller Cone and Rollers
705204	Tapered Roller Cone and Rollers
BT780	Tapered Roller Cone and Rollers
K780	Tapered Roller Cone and Rollers
P6297A	Tapered Roller Cone and Rollers

FAQs

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

What is the FSCG of the NSN 3110-00-100-0694?

The FSCG of the NSN 3110-00-100-0694 is 3110

Does the NSN 3110-00-100-0694 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 3110-00-100-0694 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 3110-00-100-0694 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-100-0694 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 3110-00-100-0694 was assigned to the Federal Catalog?

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