PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56662Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-593-4289 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-593-4289 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-593-4289. Primary manufacturer part number: 56662.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Outside Diameter: 6.6250 INCHES NOMINAL IN
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • 9 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 3110-00-593-4289, 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 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-593-4289
Primary Part Number56662
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Outside Diameter6.6250 INCHES NOMINAL IN
Backface Corner Radius0.1250 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6250-00-188-5707566-62 INTERCHANGEABLE
Lampholder
Technipower Llc Dba Unipower
5930-00-261-3335185AS2217 INTERCHANGEABLE
Switch,code Indicating Wheel
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
1660-00-670-4220201317 INTERCHANGEABLE
Nozzle,turbine,aircraft Cooling
Honeywell International Inc. Div Aerospace - Torrance
5133-00-838-5262 INTERCHANGEABLE
Drill,twist
5970-01-108-4430 INTERCHANGEABLE
Insulator,plate
4320-01-141-1415774024 INTERCHANGEABLE
Sleeve,shaft,pump
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4730-01-195-40415274-1 INTERCHANGEABLE
Adapter
Pdi Ground Support Systems, Inc.
5310-01-700-7001201317 INTERCHANGEABLE
Nut,plain,hexagon
Hamilton Jet, Inc.
Cross-Reference Index
Part NumberManufacturer
774024 Vme Americas Inc Sub of Vme Group N V (USA)
56662 PRIMARY The Timken Corporation (USA)
295834R1 Komatsu American Intl Co (USA)
295834R1 Navistar International Corporation Dba Navistar (USA)
295834R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
2109824 Dana Off Highway Products, Llc (USA)
FF-B-187 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
201317 Caterpillar Paving Products Inc (USA)
774024 Dana Off Highway Products, Llc (USA)
Related Parts
6250-00-188-5707INTERCHANGEABLE
LAMPHOLDER
566-62
5930-00-261-3335INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
185AS2217
1660-00-670-4220INTERCHANGEABLE
NOZZLE,TURBINE,AIRCRAFT COOLING
201317
5133-00-838-5262INTERCHANGEABLE
DRILL,TWIST
5970-01-108-4430INTERCHANGEABLE
INSULATOR,PLATE
4320-01-141-1415INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
774024
4730-01-195-4041INTERCHANGEABLE
ADAPTER
5274-1
5310-01-700-7001INTERCHANGEABLE
NUT,PLAIN,HEXAGON
201317

Frequently Asked Questions

What is NSN 3110-00-593-4289?

NSN 3110-00-593-4289 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 3110-00-593-4289?

NSN 3110-00-593-4289 has 9 cross-referenced part numbers: 774024 (Vme Americas Inc Sub of Vme Group N V), 56662 (The Timken Corporation), 295834R1 (Komatsu American Intl Co), 295834R1 (Navistar International Corporation Dba Navistar), 295834R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/) and 4 more.

What NSN replaces 3110-00-593-4289?

There are 8 known substitutes for 3110-00-593-4289: 6250-00-188-5707, 5930-00-261-3335, 1660-00-670-4220 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 56662?

Key specifications for 56662: Overall Width: 1.0625 INCHES NOMINAL IN; Outside Diameter: 6.6250 INCHES NOMINAL IN; Backface Corner Radius: 0.1250 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE. 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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