PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3730Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-227-4433 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-4433 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-4433. Primary manufacturer part number: 3730.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Style Designator: NORMAL ANGLE
  • Backface Corner Radius: 0.0310 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Outside Diameter: 3.6718 INCHES NOMINAL IN
  • 9 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 3110-00-227-4433, 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 9 commercial cross-references from 9 manufacturers, 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
NSN3110-00-227-4433
Primary Part Number3730
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Style DesignatorNORMAL ANGLE
Backface Corner Radius0.0310 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Standard Tolerance DesignationAFBMA CLASS 2
Outside Diameter3.6718 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1560-00-036-6445123CSP10028-511 INTERCHANGEABLE
Skin,aircraft
Northrop Grumman Systems Corporation
2990-00-057-145310514-N INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
6505-00-064-39613672-30 INTERCHANGEABLE
Heparin Sodium Injection
Abbott Laboratories Pharmaceutical Products Div
2825-00-218-16101715011 INTERCHANGEABLE
Blading Set,turbine
Westinghouse Electric Corp
5935-00-518-90404263-78REVAPC12 INTERCHANGEABLE
Connector,plug,electrical
Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility
3030-00-528-4628 INTERCHANGEABLE
Belt,v
5342-00-603-9343SM-C-423646 INTERCHANGEABLE
Clamp
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6675-00-828-1137 INTERCHANGEABLE
Scriber,lettering
5905-00-866-28021 3-4D57F1R0 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5360-01-191-7151 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
304660C1 Navistar International Corporation Dba Navistar (USA)
10A7490 White Farm Equipment Co Sub of Tic Investment Inc (USA)
1715-011 Vermeer Manufacturing Company Dba Vermeer Corporation (USA)
3730 PRIMARY The Timken Corporation (USA)
675543 Dana Off Highway Products, Llc (USA)
675543 Clark Equipment Co (USA)
3730 Tyson Bearing Co Div Skf Industries Inc (USA)
3730 PRIMARY Rbc Bearings Incorporated Div West Trenton Division (USA)
304660C1 International Harvester Co Agricultural Equipment Div (USA)
Related Parts
1560-00-036-6445INTERCHANGEABLE
SKIN,AIRCRAFT
123CSP10028-511
2990-00-057-1453INTERCHANGEABLE
MUFFLER,EXHAUST
10514-N
6505-00-064-3961INTERCHANGEABLE
HEPARIN SODIUM INJECTION
3672-30
2825-00-218-1610INTERCHANGEABLE
BLADING SET,TURBINE
1715011
5935-00-518-9040INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4263-78REVAPC12
3030-00-528-4628INTERCHANGEABLE
BELT,V
5342-00-603-9343INTERCHANGEABLE
CLAMP
SM-C-423646
6675-00-828-1137INTERCHANGEABLE
SCRIBER,LETTERING
5905-00-866-2802INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
1 3-4D57F1R0
5360-01-191-7151INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4320-01-206-4542INTERCHANGEABLE
HEAD,HYDRAULIC MOTOR-PUMP
5977-01-312-5444INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
3730

Frequently Asked Questions

What is NSN 3110-00-227-4433?

NSN 3110-00-227-4433 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 3110-00-227-4433?

NSN 3110-00-227-4433 has 9 cross-referenced part numbers: 304660C1 (Navistar International Corporation Dba Navistar), 10A7490 (White Farm Equipment Co Sub of Tic Investment Inc), 1715-011 (Vermeer Manufacturing Company Dba Vermeer Corporation), 3730 (The Timken Corporation), 675543 (Dana Off Highway Products, Llc) and 4 more.

What NSN replaces 3110-00-227-4433?

There are 12 known substitutes for 3110-00-227-4433: 1560-00-036-6445, 2990-00-057-1453, 6505-00-064-3961 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3730?

Key specifications for 3730: Overall Width: 0.9375 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE; Backface Corner Radius: 0.0310 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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