PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49520Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0593 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0593 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0593. Primary manufacturer part number: 49520.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Outside Diameter: 4.0000 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • 27 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 3110-00-100-0593, 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 27 commercial cross-references from 25 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
NSN3110-00-100-0593
Primary Part Number49520
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Outside Diameter4.0000 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Backface Corner Radius0.1250 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-00-331-8435 INTERCHANGEABLE
Capacitor,variable,glass Dielect
6605-00-650-6780706905 INTERCHANGEABLE
Plate,bottom
Lockheed Martin Corporation Div Rms - Mitchel Field
4820-00-956-1413587-551 INTERCHANGEABLE
Seat,valve
Steward Machine Co Inc
5330-00-962-865697069 INTERCHANGEABLE
Seal,plain Encased
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
6130-01-103-132749520 INTERCHANGEABLE
Power Supply
Unison Industries Llc
4710-01-124-102749520 INTERCHANGEABLE
Tube,fuel Injector
Sabre Engines Ltd
5220-01-179-582749520 INTERCHANGEABLE
Gage,plug,thread
Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation
5315-01-292-776812900966 INTERCHANGEABLE
Pin,straight,headed
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6750-01-429-1470 INTERCHANGEABLE
Film,photographic
5998-01-533-160349520 INTERCHANGEABLE
Circuit Card Assembly
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
587551 Chrysler Corp Hamtramck Assembly (USA)
V1623 Correct Mfg Corp (USA)
145C51 Harbormaster Marine, Inc (USA)
49520 Federal-Mogul Corp Government Sales Dept (USA)
19FK0637 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
64AX166 Mack Trucks Inc (USA)
49520 PRIMARY The Timken Corporation (USA)
149370Z General Motors Corp (USA)
K49520 Skf France (FRA)
49520 Ntn Bearing Corporation of America (USA)
382240 White Motor Corp (USA)
706905 Army Weapons Command Attn Amswe-Ree-S (USA)
49520 Rbc Bearings Incorporated Div West Trenton Division (USA)
17429P11 Taylor Machine Works Inc (USA)
2X6582B Napco International Llc Dba Napco International Inc (USA)
49520 Meritor Industrial Products, Llc (USA)
49520 Meritor Heavy Vehicle Systems, Llc (USA)
080551 Agco Corp Parts Opn (USA)
BB16229 Diamond Reo Truck Co (USA)
BT49520 Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
5910-00-331-8435INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
6605-00-650-6780INTERCHANGEABLE
PLATE,BOTTOM
706905
4820-00-956-1413INTERCHANGEABLE
SEAT,VALVE
587-551
5330-00-962-8656INTERCHANGEABLE
SEAL,PLAIN ENCASED
97069
6130-01-103-1327INTERCHANGEABLE
POWER SUPPLY
49520
4710-01-124-1027INTERCHANGEABLE
TUBE,FUEL INJECTOR
49520
5220-01-179-5827INTERCHANGEABLE
GAGE,PLUG,THREAD
49520
5315-01-292-7768INTERCHANGEABLE
PIN,STRAIGHT,HEADED
12900966
6750-01-429-1470INTERCHANGEABLE
FILM,PHOTOGRAPHIC
5998-01-533-1603INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
49520
5365-01-686-0398INTERCHANGEABLE
SPACER,SPECIAL SHAPED
49520
5355-01-715-0995INTERCHANGEABLE
DIAL,SCALE
V1623

Frequently Asked Questions

What is NSN 3110-00-100-0593?

NSN 3110-00-100-0593 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 3110-00-100-0593?

NSN 3110-00-100-0593 has 27 cross-referenced part numbers: 587551 (Chrysler Corp Hamtramck Assembly), V1623 (Correct Mfg Corp), 145C51 (Harbormaster Marine, Inc), 49520 (Federal-Mogul Corp Government Sales Dept), 19FK0637 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)) and 22 more.

What NSN replaces 3110-00-100-0593?

There are 12 known substitutes for 3110-00-100-0593: 5910-00-331-8435, 6605-00-650-6780, 4820-00-956-1413 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49520?

Key specifications for 49520: Outside Diameter: 4.0000 INCHES NOMINAL IN; Material: STEEL OVERALL; Backface Corner Radius: 0.1250 INCHES NOMINAL IN; Overall Width: 1.0000 INCHES NOMINAL IN. 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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