20S25 Ball Bearing Unit

Comprehensive specifications and application details for: 20S25 Ball Bearing Unit.

Summary

Explore detailed summary information for bearing: 20S25. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
20S25
Federal Supply Classification
3130 Mounted Bearings
(NSN) National Stock Number
3130-01-057-0773
Item Name Code
30556
Federal Item Identification Guide
A093A0
Assigment Date
03/06/1978

An assembled unit, composed of a housing incorporating a single or multiple row ball bearing(s), designed to meet various or specific conditions of mounting.

4.2400 inches minimum and 4.2600 inches maximum overall outside diameter, 1.7740 inches nominal bore diameter, sae 4140 assn std single material response overall material document and classification, steel comp 4140 overall material, round, threaded mounting hole type

Datasheet

Below are the comprehensive technical specifications for bearing: 3130-01-057-0773 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
1.7740 inches nominal
Overall Outside Diameter
4.2400 inches minimum and 4.2600 inches maximum
Material Document And Classification
sae 4140 assn std single material response overall
Material
steel comp 4140 overall
Mounting Hole Type
round, threaded

Frequently Asked Questions

Find quick answers to common questions about bearing: 20S25. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3130-01-057-0773?
The FSCG of the NSN 3130-01-057-0773 is 3130
Does the NSN 3130-01-057-0773 have a Schedule B code assigned?
Yes, the Schedule B code is 8482991050
Does NSN 3130-01-057-0773 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 3130-01-057-0773 contain precious materials?
Item does not contain precious metal.
Does NSN 3130-01-057-0773 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 3130-01-057-0773 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Mon, Mar 6, 1978

Price & Availability

Fill out the form to get pricing and availability details for the bearing: 20S25

Popular Bearings

Browse our selection of high-demand, high-performance bearings:

713742
3110-01-144-5699
Tapered Roller Bearing
713743
3110-00-183-6715
Needle Roller Bearing
71375
3120-00-243-8169
Sleeve Bearing
713754
3110-00-120-3080
Needle Roller Bearing
713756
3110-00-554-3318
Annular Ball Bearing
713759
3110-01-658-2637
Needle Roller Bearing
713768-1
3130-01-007-0286
Bearing Housing Liner
713768-2
3130-01-007-0283
Bearing Housing Liner
713768-3
3130-01-007-0284
Bearing Housing Liner
713773
3110-01-007-0191
Outer Bearing Ring
713774
3110-01-007-7096
Outer Bearing Ring
713775
3110-01-007-0192
Outer Bearing Ring
713777-2
3130-01-007-0290
Bearing Housing Liner
713790
3120-01-209-9522
Thrust Washer Bearing
713792
3110-00-108-9198
Annular Ball Bearing