PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

394Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0304 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0304 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0304. Primary manufacturer part number: 394.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Outside Diameter: 4.3307 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: NORMAL ANGLE
  • Backface Corner Radius: 0.0312 INCHES NOMINAL IN
  • 1 verified cross-reference
  • 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 3110-00-100-0304, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-100-0304
Primary Part Number394
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Standard Tolerance DesignationAFBMA CLASS 2
Outside Diameter4.3307 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorNORMAL ANGLE
Backface Corner Radius0.0312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-088-09392100-0077 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Keysight Technologies Inc
4820-00-227-0154 INTERCHANGEABLE
Valve,foot
3030-00-269-9707394 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
4820-00-273-9734 INTERCHANGEABLE
Valve,foot
4820-00-273-9735394-6 INTERCHANGEABLE
Valve,foot
Crane Co Div Valve Div
4820-00-273-9736 INTERCHANGEABLE
Valve,foot
3120-00-406-0107394 INTERCHANGEABLE
Bearing,washer,thrust
Stothert & Pitt
5120-00-434-8432394 INTERCHANGEABLE
Cup,sealant Gun
Grover Smith Mfg Corp Dba Grover Manufacturing Corp
5910-00-477-2466 INTERCHANGEABLE
Capacitor,fixed,electrolytic
2990-00-588-41311912 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
Cross-Reference Index
Part NumberManufacturer
394 PRIMARY The Timken Corporation (USA)
Related Parts
5905-00-088-0939INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
2100-0077
4820-00-227-0154INTERCHANGEABLE
VALVE,FOOT
3030-00-269-9707INTERCHANGEABLE
BELT,V
394
4820-00-273-9734INTERCHANGEABLE
VALVE,FOOT
4820-00-273-9735INTERCHANGEABLE
VALVE,FOOT
394-6
4820-00-273-9736INTERCHANGEABLE
VALVE,FOOT
3120-00-406-0107INTERCHANGEABLE
BEARING,WASHER,THRUST
394
5120-00-434-8432INTERCHANGEABLE
CUP,SEALANT GUN
394
5910-00-477-2466INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
2990-00-588-4131INTERCHANGEABLE
MUFFLER,EXHAUST
1912
6240-00-875-7981INTERCHANGEABLE
LAMP,INCANDESCENT
394
6680-00-892-1429INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
394E

Frequently Asked Questions

What is NSN 3110-00-100-0304?

NSN 3110-00-100-0304 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-0304?

NSN 3110-00-100-0304 has 1 cross-referenced part number: 394 (The Timken Corporation).

What NSN replaces 3110-00-100-0304?

There are 12 known substitutes for 3110-00-100-0304: 5905-00-088-0939, 4820-00-227-0154, 3030-00-269-9707 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 394?

Key specifications for 394: Standard Tolerance Designation: AFBMA CLASS 2; Outside Diameter: 4.3307 INCHES NOMINAL IN; Overall Width: 0.8661 INCHES NOMINAL IN; Material: STEEL OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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