PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA59649-202BCup,tapered Roller Bearing

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 3110-00-100-0801 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0801 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0801. Primary manufacturer part number: AA59649-202B.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.0938 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • Outside Diameter: 3.5480 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Standard Tolerance Designation: AFBMA CLASS 2
  • 28 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 Overall construction
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-100-0801, 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 28 commercial cross-references from 16 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
NSN3110-00-100-0801
Primary Part NumberAA59649-202B
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Backface Corner Radius0.0938 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
Outside Diameter3.5480 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Standard Tolerance DesignationAFBMA CLASS 2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-035-787840-140 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
1680-00-065-223610492-1 INTERCHANGEABLE
Gear,arm Rest
B/e Aerospace Inc Dba Interturbine
4730-00-152-9916104-3/4 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Elkhart Products Corp
5310-00-209-3860 INTERCHANGEABLE
Washer,lock
4320-00-218-36994702P INTERCHANGEABLE
Ring,lantern
Curtiss-Wright Electro-Mechanical Corporation Div Epd
3455-00-224-364010190 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
4730-00-231-5644 INTERCHANGEABLE
Reducer,pipe
5999-00-257-355910434 INTERCHANGEABLE
Magnet,permanent
Naval Ship Systems Command
5945-00-259-9659J200-24V100A INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
4320-00-288-742714926P INTERCHANGEABLE
Ring,wearing
Curtiss-Wright Electro-Mechanical Corporation Div Epd
Cross-Reference Index
Part NumberManufacturer
AA59649-202B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
2X6503B Napco International Llc Dba Napco International Inc (USA)
70425 Cleveland Trencher Co Inc (USA)
10434 Cleveland Trencher Co Inc (USA)
352 Nsk Corp Bearing Div (USA)
40172 Cleveland Trencher Co Inc (USA)
A-A-59649 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
10109 Cleveland Trencher Co Inc (USA)
141591 General Motors Llc Dba General Motors Llc (USA)
352 Rbc Bearings Incorporated Div West Trenton Division (USA)
FF-B-187A Federal Specifications Promulgated by General Services Administration Washington DC (USA)
80347 Cleveland Trencher Co Inc (USA)
149538 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
10A7811 White Farm Equipment Co Sub of Tic Investment Inc (USA)
141591 General Motors Corp (USA)
70347 Cleveland Trencher Co Inc (USA)
1B5686 Caterpillar Inc Div Caterpillar Defense (USA)
JD7281 John Deere Tractor Works Sub of Deere and Co (USA)
76603 Chicago Pneumatic Tool Co (USA)
141951 General Motors Corp (USA)
Related Parts
5999-00-035-7878INTERCHANGEABLE
CONTACT,ELECTRICAL
40-140
1680-00-065-2236INTERCHANGEABLE
GEAR,ARM REST
10492-1
4730-00-152-9916INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
104-3/4
5310-00-209-3860INTERCHANGEABLE
WASHER,LOCK
4320-00-218-3699INTERCHANGEABLE
RING,LANTERN
4702P
3455-00-224-3640INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10190
4730-00-231-5644INTERCHANGEABLE
REDUCER,PIPE
5999-00-257-3559INTERCHANGEABLE
MAGNET,PERMANENT
10434
5945-00-259-9659INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
J200-24V100A
4320-00-288-7427INTERCHANGEABLE
RING,WEARING
14926P
5120-00-288-9183INTERCHANGEABLE
EXTRACTOR,TAP
10434
5330-00-313-7646INTERCHANGEABLE
GASKET
18393

Frequently Asked Questions

What is NSN 3110-00-100-0801?

NSN 3110-00-100-0801 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 3110-00-100-0801?

NSN 3110-00-100-0801 has 28 cross-referenced part numbers: AA59649-202B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 2X6503B (Napco International Llc Dba Napco International Inc), 70425 (Cleveland Trencher Co Inc), 10434 (Cleveland Trencher Co Inc), 352 (Nsk Corp Bearing Div) and 23 more.

What NSN replaces 3110-00-100-0801?

There are 12 known substitutes for 3110-00-100-0801: 5999-00-035-7878, 1680-00-065-2236, 4730-00-152-9916 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA59649-202B?

Key specifications for AA59649-202B: Backface Corner Radius: 0.0938 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE; Outside Diameter: 3.5480 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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