PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

643Cone and Rollers,tapered Roller

The Timken Corporation · NSN 3110-00-100-0663 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0663 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0663. Primary manufacturer part number: 643.
Features
  • Cone and Rollers,tapered Roller — FSC 3110
  • Bore Diameter: 2.7500 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • Cone Width: 1.6250 INCHES NOMINAL IN
  • Cone Corner Radius: 0.1406 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • 27 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-00-100-0663, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 27 commercial cross-references from 24 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
NSN3110-00-100-0663
Primary Part Number643
Item NameCone and Rollers,tapered Roller
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Bore Diameter2.7500 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Cone Width1.6250 INCHES NOMINAL IN
Cone Corner Radius0.1406 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1660-00-077-83627060 INTERCHANGEABLE
Housing,valve
Essex Industries, Inc. Dba Essex Industries
6640-00-096-7489 INTERCHANGEABLE
Pipet,measuring
4930-00-110-3950115-206 INTERCHANGEABLE
Guide Assembly,hose Reel
Blue Jay Manufacturing Co
3020-00-130-0829104111 INTERCHANGEABLE
Gear,spur
Astronautics Corporation of America
5340-00-143-022382743-4 INTERCHANGEABLE
Clamp,loop
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
6640-00-264-5008 INTERCHANGEABLE
Pipet,measuring
6640-00-290-6891 INTERCHANGEABLE
Pipet,measuring
2530-00-425-5793115206 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Dressta North America Ltd
5950-00-676-5694 INTERCHANGEABLE
Electromagnet
5960-00-880-8595 INTERCHANGEABLE
Electron Tube
Cross-Reference Index
Part NumberManufacturer
643 Federal-Mogul Corp Government Sales Dept (USA)
643 The Timken Company (FRA)
827434 Garwood/feller Inc Garwood Winch Div (USA)
K643 Skf France (FRA)
104111 Standard Forge and Axle Co Inc (USA)
62AX172 Mack Trucks Inc (USA)
3122 Kingham Trailer Co (USA)
705167 Load King, Llc Div Load King (USA)
643 Gary Steel Products Corp (USA)
2X6677A Napco International Llc Dba Napco International Inc (USA)
643 Ntn Bearing Corporation of America (USA)
643 Load King, Llc Div Load King (USA)
M10HB106 Dana Corp Spicer Trailer Axle Plant (USA)
705167 Army Weapons Command Attn Amswe-Ree-S (USA)
643 Tyson Bearing Co Div Skf Industries Inc (USA)
643 Eidal International Corporation (USA)
643 Rbc Bearings Incorporated Div West Trenton Division (USA)
7060 Volvo Motor Graders Ltd (CAN)
643 Allied Products Corp Loadcraft Div (USA)
FFB187/01-534 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
1660-00-077-8362INTERCHANGEABLE
HOUSING,VALVE
7060
6640-00-096-7489INTERCHANGEABLE
PIPET,MEASURING
4930-00-110-3950INTERCHANGEABLE
GUIDE ASSEMBLY,HOSE REEL
115-206
3020-00-130-0829INTERCHANGEABLE
GEAR,SPUR
104111
5340-00-143-0223INTERCHANGEABLE
CLAMP,LOOP
82743-4
6640-00-264-5008INTERCHANGEABLE
PIPET,MEASURING
6640-00-290-6891INTERCHANGEABLE
PIPET,MEASURING
2530-00-425-5793INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
115206
5950-00-676-5694INTERCHANGEABLE
ELECTROMAGNET
5960-00-880-8595INTERCHANGEABLE
ELECTRON TUBE
2530-00-912-4591INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
7060
5950-00-947-0080INTERCHANGEABLE
TRANSFORMER,POWER
722803-26

Frequently Asked Questions

What is NSN 3110-00-100-0663?

NSN 3110-00-100-0663 is a Cone and Rollers,tapered Roller, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-0663?

NSN 3110-00-100-0663 has 27 cross-referenced part numbers: 643 (Federal-Mogul Corp Government Sales Dept), 643 (The Timken Company), 827434 (Garwood/feller Inc Garwood Winch Div), K643 (Skf France), 104111 (Standard Forge and Axle Co Inc) and 22 more.

What NSN replaces 3110-00-100-0663?

There are 12 known substitutes for 3110-00-100-0663: 1660-00-077-8362, 6640-00-096-7489, 4930-00-110-3950 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 643?

Key specifications for 643: Bore Diameter: 2.7500 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE; Material: STEEL OVERALL; Cone Width: 1.6250 INCHES NOMINAL IN. 7 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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