PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA59649-173BCup,tapered Roller Bearing

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 3110-01-147-7831 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-147-7831 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-147-7831. Primary manufacturer part number: AA59649-173B.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE CUP
  • Material: STEEL COMP E52100 CUP
  • Style Designator: NORMAL ANGLE
  • Backface Corner Radius: 0.0500 INCHES NOMINAL IN
  • Outside Diameter: 2.5630 INCHES NOMINAL IN
  • 5 verified cross-references
  • Primary manufacturer: Federal Commercial Item Description Promulgated by General Services Administration Washington DC
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Cup construction
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-01-147-7831, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-147-7831
Primary Part NumberAA59649-173B
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE CUP
MaterialSTEEL COMP E52100 CUP
Style DesignatorNORMAL ANGLE
Backface Corner Radius0.0500 INCHES NOMINAL IN
Outside Diameter2.5630 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3130-00-159-14751792022 INTERCHANGEABLE
Bearing Unit,ball
Chrysler Realty Company Llc Dba Daimler Chrysler
5305-00-206-7757303078 INTERCHANGEABLE
Setscrew
Lockheed Martin Corporation Div Rms - Mitchel Field
5305-00-987-0364303078 INTERCHANGEABLE
Screw,machine
Brp Us Inc
5998-01-422-6541303078 INTERCHANGEABLE
Circuit Card Assembly
Exabyte Corporation
Cross-Reference Index
Part NumberManufacturer
AA59649-173B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59649 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-27965 The Timken Corporation (USA)
LM29711 The Timken Corporation (USA)
303078 Powerboss Batteries Inc (USA)
Related Parts
3130-00-159-1475INTERCHANGEABLE
BEARING UNIT,BALL
1792022
5305-00-206-7757INTERCHANGEABLE
SETSCREW
303078
5305-00-987-0364INTERCHANGEABLE
SCREW,MACHINE
303078
5998-01-422-6541INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
303078

Frequently Asked Questions

What is NSN 3110-01-147-7831?

NSN 3110-01-147-7831 is a Cup,tapered Roller Bearing, 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 3110-01-147-7831?

NSN 3110-01-147-7831 has 5 cross-referenced part numbers: AA59649-173B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59649 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-27965 (The Timken Corporation), LM29711 (The Timken Corporation), 303078 (Powerboss Batteries Inc).

What NSN replaces 3110-01-147-7831?

There are 4 known substitutes for 3110-01-147-7831: 3130-00-159-1475, 5305-00-206-7757, 5305-00-987-0364 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA59649-173B?

Key specifications for AA59649-173B: Overall Width: 0.6200 INCHES NOMINAL IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE CUP; Material: STEEL COMP E52100 CUP; Style Designator: NORMAL ANGLE. 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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