PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-59649-546Bearing,roller,tapered

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 3110-00-100-4239 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-4239 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-4239. Primary manufacturer part number: A-A-59649-546.
Features
  • Bearing,roller,tapered — FSC 3110
  • Overall Outside Diameter: 5.3750 INCHES NOMINAL IN
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Cup Width: 1.2500 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Standout Width: 0.3750 INCHES NOMINAL IN
  • Cone Width: 1.6250 INCHES NOMINAL IN
  • Bore Diameter: 2.8125 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-100-4239, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-100-4239
Primary Part NumberA-A-59649-546
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Overall Outside Diameter5.3750 INCHES NOMINAL IN
Backface Corner Radius0.1250 INCHES NOMINAL IN
Cup Width1.2500 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Standout Width0.3750 INCHES NOMINAL IN
Cone Width1.6250 INCHES NOMINAL IN
Bore Diameter2.8125 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Cone Corner Radius0.1400 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-068-9395 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-100-4402 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-158-8355 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-275-0248 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-974-4132 INTERCHANGEABLE
Cone and Rollers,tapered Roller
3110-01-091-1295 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Cross-Reference Index
Part NumberManufacturer
A-A-59649-546 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
X18D16 Westinghouse Electric Corp (USA)
264903-3 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MS19081-119 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
644-632 The Timken Corporation (USA)
X18D16 Westinghouse Electric Corp Power Generation-Generator Div (USA)
A-A-59649B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
3110-00-068-9395INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-100-4402INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-158-8355INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-275-0248INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-974-4132INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3110-01-091-1295INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER

Frequently Asked Questions

What is NSN 3110-00-100-4239?

NSN 3110-00-100-4239 is a Bearing,roller,tapered, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-4239?

NSN 3110-00-100-4239 has 7 cross-referenced part numbers: A-A-59649-546 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), X18D16 (Westinghouse Electric Corp), 264903-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MS19081-119 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 644-632 (The Timken Corporation) and 2 more.

What NSN replaces 3110-00-100-4239?

There are 6 known substitutes for 3110-00-100-4239: 3110-00-068-9395, 3110-00-100-4402, 3110-00-158-8355 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-59649-546?

Key specifications for A-A-59649-546: Overall Outside Diameter: 5.3750 INCHES NOMINAL IN; Backface Corner Radius: 0.1250 INCHES NOMINAL IN; Cup Width: 1.2500 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2. 11 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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