PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

453XCup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-142-4387 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-142-4387 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-142-4387. Primary manufacturer part number: 453X.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Outside Diameter: 4.1250 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Material: STEEL OVERALL
  • Style Designator: NORMAL ANGLE
  • 50 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 3110-00-142-4387, 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 50 commercial cross-references from 43 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
NSN3110-00-142-4387
Primary Part Number453X
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Backface Corner Radius0.1250 INCHES NOMINAL IN
Outside Diameter4.1250 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
MaterialSTEEL OVERALL
Style DesignatorNORMAL ANGLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-075-1134 INTERCHANGEABLE
Retainer,ribbon
4820-00-075-1319 INTERCHANGEABLE
Valve,safety Relief
4420-00-111-5226 INTERCHANGEABLE
Cooler,fluid,industrial
5975-00-214-051124419 INTERCHANGEABLE
Protector,electrical Cable
Vse Aviation, Inc.
5961-00-214-2359683-2 INTERCHANGEABLE
Rectifier,semiconductor Device,u
Micro Uspd Inc
5340-00-281-6239L18CP5 INTERCHANGEABLE
Clamp,loop
Eaton Corp Dba Eaton Aerospace Jackson
3040-00-392-2344125858 INTERCHANGEABLE
Pawl,tape Feed
Lucent Technologies Inc Corporate Headquarters
6645-00-399-4546 INTERCHANGEABLE
Clip
5998-00-415-3977 INTERCHANGEABLE
Electronic Components Assembly
6240-00-436-538958 INTERCHANGEABLE
Lamp,incandescent
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
Cross-Reference Index
Part NumberManufacturer
453X PRIMARY The Timken Corporation (USA)
550426 Dana Corp Spicer Transmission Div (USA)
453X Barber-Greene Co (USA)
233545 Meritor Specialty Products Llc (USA)
50320R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
280652 Acf Industries Inc (USA)
742240 Clark Equipment Co (USA)
149549 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
390368 Reliance Electric Company Dba Reliance & Dodge Brands (USA)
453X PRIMARY Ntn Bearing Corporation of America (USA)
16893W Diamond Reo Truck Co (USA)
300181X White Motor Corp (USA)
0BT453X Flexfab Llc (USA)
453X Minnpar, Llc Dba Minnpar (USA)
09100802 Eagle Airfield Equipment Limited (GBR)
600191 Marine Travelift Inc (USA)
HFT68 Schramm, Inc. (USA)
50320R1 International Harvester Co Agricultural Equipment Div (USA)
453X Kersey / American Lafrance a Div of Figgie International Inc (USA)
453X Dana Off Highway Products, Llc (USA)
Related Parts
5310-00-075-1134INTERCHANGEABLE
RETAINER,RIBBON
4820-00-075-1319INTERCHANGEABLE
VALVE,SAFETY RELIEF
4420-00-111-5226INTERCHANGEABLE
COOLER,FLUID,INDUSTRIAL
5975-00-214-0511INTERCHANGEABLE
PROTECTOR,ELECTRICAL CABLE
24419
5961-00-214-2359INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
683-2
5340-00-281-6239INTERCHANGEABLE
CLAMP,LOOP
L18CP5
3040-00-392-2344INTERCHANGEABLE
PAWL,TAPE FEED
125858
6645-00-399-4546INTERCHANGEABLE
CLIP
5998-00-415-3977INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
6240-00-436-5389INTERCHANGEABLE
LAMP,INCANDESCENT
58
1680-00-499-5471INTERCHANGEABLE
HOLDER,MAP AND DATA
30-018-1
6685-00-514-4099INTERCHANGEABLE
TRANSMITTER,PRESSURE
353K

Frequently Asked Questions

What is NSN 3110-00-142-4387?

NSN 3110-00-142-4387 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 3110-00-142-4387?

NSN 3110-00-142-4387 has 50 cross-referenced part numbers: 453X (The Timken Corporation), 550426 (Dana Corp Spicer Transmission Div), 453X (Barber-Greene Co), 233545 (Meritor Specialty Products Llc), 50320R1 (Navistar Intl Corp Truck Br Ohio Plant) and 45 more.

What NSN replaces 3110-00-142-4387?

There are 12 known substitutes for 3110-00-142-4387: 5310-00-075-1134, 4820-00-075-1319, 4420-00-111-5226 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 453X?

Key specifications for 453X: Backface Corner Radius: 0.1250 INCHES NOMINAL IN; Outside Diameter: 4.1250 INCHES NOMINAL IN; Overall Width: 0.9688 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-142-4387 still in active supply?

NSN 3110-00-142-4387 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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