PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14CCup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-143-7579 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-143-7579 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-143-7579. Primary manufacturer part number: 14C.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Material: STEEL OVERALL
  • Backface Corner Radius: 0.0469 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Outside Diameter: 2.2477 INCHES NOMINAL IN
  • 7 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 3110-00-143-7579, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-143-7579
Primary Part Number14C
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
MaterialSTEEL OVERALL
Backface Corner Radius0.0469 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
Standard Tolerance DesignationAFBMA CLASS 2
Outside Diameter2.2477 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2920-00-155-8040J6 INTERCHANGEABLE
Spark Plug
Champion Aerospace Llc
3020-00-174-5592637539 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3120-00-198-7982 INTERCHANGEABLE
Bearing,gear Side
8040-00-270-321014C INTERCHANGEABLE
Adhesive
Bridge Products Inc Camel Tire Care Products Div
5330-00-542-101514C INTERCHANGEABLE
Packing,preformed
The Walworth Company
5935-00-688-407333-109 INTERCHANGEABLE
Adapter,connector
Te Connectivity Corporation Dba Microdot Products
2910-00-758-236633109 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5330-00-792-98495116476 INTERCHANGEABLE
Seal,plain Encased
Rolls-Royce Solutions America Inc
5340-00-837-2242C5025 INTERCHANGEABLE
Strike,catch
Wayne Dalton Corp Kinnear Div
5930-00-961-4491 INTERCHANGEABLE
Switch,push
Cross-Reference Index
Part NumberManufacturer
637539 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
799122 The Timken Corporation (USA)
14C PRIMARY The Timken Corporation (USA)
BT14C PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
33109 PRIMARY Trw Inc Trw Commercial Steering Div (USA)
81T3553 Ford Motor Company (USA)
81T3553 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
Related Parts
2920-00-155-8040INTERCHANGEABLE
SPARK PLUG
J6
3020-00-174-5592INTERCHANGEABLE
GEAR,SPUR
637539
3120-00-198-7982INTERCHANGEABLE
BEARING,GEAR SIDE
8040-00-270-3210INTERCHANGEABLE
ADHESIVE
14C
5330-00-542-1015INTERCHANGEABLE
PACKING,PREFORMED
14C
5935-00-688-4073INTERCHANGEABLE
ADAPTER,CONNECTOR
33-109
2910-00-758-2366INTERCHANGEABLE
FILTER ELEMENT,FLUID
33109
5330-00-792-9849INTERCHANGEABLE
SEAL,PLAIN ENCASED
5116476
5340-00-837-2242INTERCHANGEABLE
STRIKE,CATCH
C5025
5930-00-961-4491INTERCHANGEABLE
SWITCH,PUSH
4820-01-151-3774INTERCHANGEABLE
MANIFOLD,VALVE
33109
3010-01-187-5103INTERCHANGEABLE
ACTUATOR,HYDRAULIC ROTARY
14C

Frequently Asked Questions

What is NSN 3110-00-143-7579?

NSN 3110-00-143-7579 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-143-7579?

NSN 3110-00-143-7579 has 7 cross-referenced part numbers: 637539 (Chrysler Realty Company Llc Dba Daimler Chrysler), 799122 (The Timken Corporation), 14C (The Timken Corporation), BT14C (Federal-Mogul Corp Government Sales Dept), 33109 (Trw Inc Trw Commercial Steering Div) and 2 more.

What NSN replaces 3110-00-143-7579?

There are 12 known substitutes for 3110-00-143-7579: 2920-00-155-8040, 3020-00-174-5592, 3120-00-198-7982 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14C?

Key specifications for 14C: Material: STEEL OVERALL; Backface Corner Radius: 0.0469 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE; Overall Width: 0.6730 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-143-7579 still in active supply?

NSN 3110-00-143-7579 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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