PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66187-66462Bearing,roller,tapered

The Timken Corporation · NSN 3110-00-076-2388 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-076-2388 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-076-2388. Primary manufacturer part number: 66187-66462.
Features
  • Bearing,roller,tapered — FSC 3110
  • Cone Corner Radius: 0.1400 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Bore Diameter: 1.8750 INCHES NOMINAL IN
  • Cone Width: 1.2500 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Style Designator: STRAIGHT BORE, STEEP ANGLE
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 3110-00-076-2388, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN3110-00-076-2388
Primary Part Number66187-66462
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Cone Corner Radius0.1400 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Bore Diameter1.8750 INCHES NOMINAL IN
Cone Width1.2500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Backface Corner Radius0.1250 INCHES NOMINAL IN
Style DesignatorSTRAIGHT BORE, STEEP ANGLE
Standout Width0.3750 INCHES NOMINAL IN
Cup Width0.9375 INCHES NOMINAL IN
Overall Outside Diameter4.6250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-047-3896 INTERCHANGEABLE
Setscrew
4820-00-116-28331023-L INTERCHANGEABLE
Disk,valve
Tescom Corp Dba Tescom Div Tescom
3120-00-432-784110234-1 INTERCHANGEABLE
Bushing,sleeve
The Dewey Electronics Corporation
5305-00-728-6308MS51966-48 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4030-00-880-258010234 INTERCHANGEABLE
Swivel Assembly,jaw
Astrocom Electronics Inc
5999-00-900-067810234 INTERCHANGEABLE
Contact,electrical
Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace
7045-01-006-0822 INTERCHANGEABLE
Tape Eraser,bulk
5310-01-016-9345B1575-5/16 INTERCHANGEABLE
Nut,plain,hexagon
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5985-01-043-498710179236 INTERCHANGEABLE
Waveguide Assembly
Us Army Aviation and Missile Command
3020-01-052-9735NA140 INTERCHANGEABLE
Gear,spur
Altra Industrial Motion Corp.
Cross-Reference Index
Part NumberManufacturer
66187-66462 PRIMARY The Timken Corporation (USA)
10200-3HECVPC33 Capitol Gears Inc
10234 Capitol Gears Inc
Related Parts
5305-00-047-3896INTERCHANGEABLE
SETSCREW
4820-00-116-2833INTERCHANGEABLE
DISK,VALVE
1023-L
3120-00-432-7841INTERCHANGEABLE
BUSHING,SLEEVE
10234-1
5305-00-728-6308INTERCHANGEABLE
SETSCREW
MS51966-48
4030-00-880-2580INTERCHANGEABLE
SWIVEL ASSEMBLY,JAW
10234
5999-00-900-0678INTERCHANGEABLE
CONTACT,ELECTRICAL
10234
7045-01-006-0822INTERCHANGEABLE
TAPE ERASER,BULK
5310-01-016-9345INTERCHANGEABLE
NUT,PLAIN,HEXAGON
B1575-5/16
5985-01-043-4987INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
10179236
3020-01-052-9735INTERCHANGEABLE
GEAR,SPUR
NA140
5910-01-230-6265INTERCHANGEABLE
CAPACITOR
102-34
5962-01-248-2335INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 3110-00-076-2388?

NSN 3110-00-076-2388 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-076-2388?

NSN 3110-00-076-2388 has 3 cross-referenced part numbers: 66187-66462 (The Timken Corporation), 10200-3HECVPC33 (Capitol Gears Inc), 10234 (Capitol Gears Inc).

What NSN replaces 3110-00-076-2388?

There are 12 known substitutes for 3110-00-076-2388: 5305-00-047-3896, 4820-00-116-2833, 3120-00-432-7841 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66187-66462?

Key specifications for 66187-66462: Cone Corner Radius: 0.1400 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2; Bore Diameter: 1.8750 INCHES NOMINAL IN; Cone Width: 1.2500 INCHES NOMINAL IN. 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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