PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3726Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-01-444-4477 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-444-4477 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-444-4477. Primary manufacturer part number: 3726.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.1300 INCHES NOMINAL IN
  • Outside Diameter: 3.7500 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • 2 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 3110-01-444-4477, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-444-4477
Primary Part Number3726
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Backface Corner Radius0.1300 INCHES NOMINAL IN
Outside Diameter3.7500 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5950-00-127-927816738181-001 INTERCHANGEABLE
Transformer,power
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
5120-00-289-8212 INTERCHANGEABLE
Wrench,open End
5998-00-519-0164 INTERCHANGEABLE
Printed Circuit Board
6675-00-586-6644 INTERCHANGEABLE
Template,drafting
5120-00-767-75828282 INTERCHANGEABLE
Alignment Tool,electronic Equipm
Gc/waldom Inc
5925-00-881-9766 INTERCHANGEABLE
Circuit Breaker
5330-01-020-578437-26 INTERCHANGEABLE
Gasket
Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div
2530-01-074-773533726 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Honeywell International Inc. Dba Honeywell
4720-01-141-498067162-3 INTERCHANGEABLE
Hose Assembly
L3harris Technologies, Inc. Div Space and Airborne Systems
5970-01-227-46783726-52 INTERCHANGEABLE
Tape,insulation,electrical
Plymouth Rubber Co Inc
Cross-Reference Index
Part NumberManufacturer
3726 PRIMARY The Timken Corporation (USA)
671623 Wiggins Lift Co Inc (USA)
Related Parts
5950-00-127-9278INTERCHANGEABLE
TRANSFORMER,POWER
16738181-001
5120-00-289-8212INTERCHANGEABLE
WRENCH,OPEN END
5998-00-519-0164INTERCHANGEABLE
PRINTED CIRCUIT BOARD
6675-00-586-6644INTERCHANGEABLE
TEMPLATE,DRAFTING
5120-00-767-7582INTERCHANGEABLE
ALIGNMENT TOOL,ELECTRONIC EQUIPM
8282
5925-00-881-9766INTERCHANGEABLE
CIRCUIT BREAKER
5330-01-020-5784INTERCHANGEABLE
GASKET
37-26
2530-01-074-7735INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
33726
4720-01-141-4980INTERCHANGEABLE
HOSE ASSEMBLY
67162-3
5970-01-227-4678INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
3726-52

Frequently Asked Questions

What is NSN 3110-01-444-4477?

NSN 3110-01-444-4477 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 3110-01-444-4477?

NSN 3110-01-444-4477 has 2 cross-referenced part numbers: 3726 (The Timken Corporation), 671623 (Wiggins Lift Co Inc).

What NSN replaces 3110-01-444-4477?

There are 10 known substitutes for 3110-01-444-4477: 5950-00-127-9278, 5120-00-289-8212, 5998-00-519-0164 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3726?

Key specifications for 3726: Backface Corner Radius: 0.1300 INCHES NOMINAL IN; Overall Width: 0.9375 INCHES NOMINAL IN; Outside Diameter: 3.7500 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE. 5 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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