PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3920Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0380 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0380 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0380. Primary manufacturer part number: 3920.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Outside Diameter: 4.4375 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • 7 verified cross-references
  • Primary manufacturer: The Timken Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-100-0380, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-100-0380
Primary Part Number3920
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Outside Diameter4.4375 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Backface Corner Radius0.1250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5999-00-021-881810164231 INTERCHANGEABLE
Contact,electrical
Us Army Aviation and Missile Command
3110-00-156-191572-6970-974 INTERCHANGEABLE
Bearing,ball,thrust
Fairbanks Morse, Llc
5910-00-160-1760 INTERCHANGEABLE
Capacitor,variable,air Dielectri
6515-00-209-1114400-1976 INTERCHANGEABLE
Electrode,grounding,electrosurgi
Conmed Corp Dba Conmed Linvatec Div Conmed Corporation
2420-00-405-00403920 INTERCHANGEABLE
Plate,floor
R and J Metal Fabricators Inc
5331-00-470-60053-920N304-7 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
2810-00-478-8653 INTERCHANGEABLE
Valve-Intake---Appl
3030-00-528-4596 INTERCHANGEABLE
Belt,v
5977-01-113-88233920 INTERCHANGEABLE
Brush,electrical Contact
Carlisle & Finch Co
5950-01-235-87393920 INTERCHANGEABLE
Transformer,audio Frequency
Pico Electronics Inc
Cross-Reference Index
Part NumberManufacturer
3920 PRIMARY The Timken Corporation (USA)
3110001000380 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
09101896 Eagle Airfield Equipment Limited (GBR)
3920 Thales Australia - Bendigo Land & Joint Systems (AUS)
3920 Ntn Bearing Corporation of America (USA)
3920 Federal-Mogul Corp Government Sales Dept (USA)
0325504 Daf Trucks N.v. (NLD)
Related Parts
5999-00-021-8818INTERCHANGEABLE
CONTACT,ELECTRICAL
10164231
3110-00-156-1915INTERCHANGEABLE
BEARING,BALL,THRUST
72-6970-974
5910-00-160-1760INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
6515-00-209-1114INTERCHANGEABLE
ELECTRODE,GROUNDING,ELECTROSURGI
400-1976
2420-00-405-0040INTERCHANGEABLE
PLATE,FLOOR
3920
5331-00-470-6005INTERCHANGEABLE
O-RING
3-920N304-7
2810-00-478-8653INTERCHANGEABLE
VALVE-INTAKE---APPL
3030-00-528-4596INTERCHANGEABLE
BELT,V
5977-01-113-8823INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
3920
5950-01-235-8739INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
3920
6520-01-460-9219INTERCHANGEABLE
CROWN,DENTAL,TEMPORARY
7000053342
5331-01-536-5792INTERCHANGEABLE
O-RING
2KP855

Frequently Asked Questions

What is NSN 3110-00-100-0380?

NSN 3110-00-100-0380 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-0380?

NSN 3110-00-100-0380 has 7 cross-referenced part numbers: 3920 (The Timken Corporation), 3110001000380 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 09101896 (Eagle Airfield Equipment Limited), 3920 (Thales Australia - Bendigo Land & Joint Systems), 3920 (Ntn Bearing Corporation of America) and 2 more.

What NSN replaces 3110-00-100-0380?

There are 12 known substitutes for 3110-00-100-0380: 5999-00-021-8818, 3110-00-156-1915, 5910-00-160-1760 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3920?

Key specifications for 3920: Overall Width: 0.9375 INCHES NOMINAL IN; Outside Diameter: 4.4375 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2; Style Designator: NORMAL ANGLE. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-0380 still in active supply?

NSN 3110-00-100-0380 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com