PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NP71921ESPC126Bearing,roller,tapered

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 3110-00-100-5800 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-5800 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-5800. Primary manufacturer part number: NP71921ESPC126.
Features
  • Bearing,roller,tapered — FSC 3110
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Cup Width: 1.2500 INCHES NOMINAL IN
  • Bore Diameter: 2.6875 INCHES NOMINAL IN
  • Overall Outside Diameter: 6.0000 INCHES NOMINAL IN
  • Standout Width: 0.6250 INCHES NOMINAL IN
  • Material: STEEL OVERALL
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 3110-00-100-5800, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-100-5800
Primary Part NumberNP71921ESPC126
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusACTIVE
Standard Tolerance DesignationAFBMA CLASS 2
Backface Corner Radius0.1250 INCHES NOMINAL IN
Cup Width1.2500 INCHES NOMINAL IN
Bore Diameter2.6875 INCHES NOMINAL IN
Overall Outside Diameter6.0000 INCHES NOMINAL IN
Standout Width0.6250 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Cone Width1.8125 INCHES NOMINAL IN
Style DesignatorSTRAIGHT BORE, STEEP ANGLE
Cone Corner Radius0.1400 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2530-00-845-4793 INTERCHANGEABLE
Hub Cap,wheel
3040-00-864-112712913 INTERCHANGEABLE
Shaft,valve
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Cross-Reference Index
Part NumberManufacturer
NP71921ESPC126 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
9185AND9121 PRIMARY The Timken Corporation (USA)
NP71920ESPC126 Hercules Engine Co Inc (USA)
9185AND9121 Capitol Gears Inc
NP71921ESPC126 Hercules Engine Co Inc (USA)
NP71920ESPC126 Capitol Gears Inc
NP71921ESPC126 Capitol Gears Inc
12913A Hercules Engine Co Inc (USA)
12913A Capitol Gears Inc
NP71922ESPC126 Capitol Gears Inc
9185-9121 PRIMARY The Timken Corporation (USA)
NP71922ESPC126 Hercules Engine Co Inc (USA)
NP71920ESPC126 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
12913A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
EC6701PCEC6726 Capitol Gears Inc
NP71922ESPC126 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
EC6726 Capitol Gears Inc
Related Parts
2530-00-845-4793INTERCHANGEABLE
HUB CAP,WHEEL
3040-00-864-1127INTERCHANGEABLE
SHAFT,VALVE
12913

Frequently Asked Questions

What is NSN 3110-00-100-5800?

NSN 3110-00-100-5800 is a Bearing,roller,tapered, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-5800?

NSN 3110-00-100-5800 has 17 cross-referenced part numbers: NP71921ESPC126 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 9185AND9121 (The Timken Corporation), NP71920ESPC126 (Hercules Engine Co Inc), 9185AND9121 (Capitol Gears Inc), NP71921ESPC126 (Hercules Engine Co Inc) and 12 more.

What NSN replaces 3110-00-100-5800?

There are 2 known substitutes for 3110-00-100-5800: 2530-00-845-4793, 3040-00-864-1127. Verify interchangeability with system specifications before substitution.

What are the specifications of NP71921ESPC126?

Key specifications for NP71921ESPC126: Overall Width: 1.8750 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2; Backface Corner Radius: 0.1250 INCHES NOMINAL IN; Cup 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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