20A957

View detailed technical data, stock status, and sourcing information for: 20A957
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-100-0641

Item Name Code

00024

Assigment Date

01/01/1961 (65 years ago)

An outer component of a tapered roller bearing which provides a contact surface for the rolling elements of the bearing.

afbma class 2 standard tolerance designation, 1.9380 inches nominal outside diameter, 0.0620 inches nominal backface corner radius, 0.6875 inches nominal overall width, steel overall material

Product Characteristics

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

Outside Diameter: 1.9380 inches nominal
Overall Width: 0.6875 inches nominal
Backface Corner Radius: 0.0620 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Below is a list of NSNs that have been officially superseded by this NSN: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
2805-00-324-2632	No Name Available	01/01/1963

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
0209984-4	Tapered Roller Bearing Cup
09196	Tapered Roller Bearing Cup
164259	Tapered Roller Bearing Cup
188225	Tapered Roller Bearing Cup
209984	Tapered Roller Bearing Cup
20A957	Tapered Roller Bearing Cup
230330	Tapered Roller Bearing Cup
250051	Tapered Roller Bearing Cup
251151	Tapered Roller Bearing Cup
30299	Tapered Roller Bearing Cup
308A7	Tapered Roller Bearing Cup
3109212	Tapered Roller Bearing Cup
4251151	Tapered Roller Bearing Cup
43440D	Tapered Roller Bearing Cup
4723398	Tapered Roller Bearing Cup
583239	Tapered Roller Bearing Cup
614156	Tapered Roller Bearing Cup
799065	Tapered Roller Bearing Cup
7E6310	Tapered Roller Bearing Cup
9A09196	Tapered Roller Bearing Cup
A-A-59649-022B	Tapered Roller Bearing Cup
AFBMA	Tapered Roller Bearing Cup
B1217	Tapered Roller Bearing Cup
BT09196	Tapered Roller Bearing Cup
C3296A	Tapered Roller Bearing Cup
FF-B-187/01	Tapered Roller Bearing Cup
S6A30	Tapered Roller Bearing Cup
T09196	Tapered Roller Bearing Cup

FAQs

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

What is the FSCG of the NSN 3110-00-100-0641?

The FSCG of the NSN 3110-00-100-0641 is 3110

Does the NSN 3110-00-100-0641 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-100-0641 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 3110-00-100-0641 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-100-0641 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 3110-00-100-0641 was assigned to the Federal Catalog?

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