PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2523Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0355 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0355 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0355. Primary manufacturer part number: 2523.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Outside Diameter: 2.7500 INCHES NOMINAL IN
  • Backface Corner Radius: 0.0469 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 3110-00-100-0355, 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 47 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
NSN3110-00-100-0355
Primary Part Number2523
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Outside Diameter2.7500 INCHES NOMINAL IN
Backface Corner Radius0.0469 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
MaterialSTEEL OVERALL
Style DesignatorNORMAL ANGLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5930-00-008-69993001-14-89 INTERCHANGEABLE
Switch,thermostatic
Honeywell International Inc. Dba Honeywell Div Sensing and Control
2540-00-081-544161-181 INTERCHANGEABLE
Blade,windshield Wiper
Trico Products Corporation
5930-00-126-16513761-2 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
3990-00-137-6126C00-01-002 INTERCHANGEABLE
Brake,floor,wheeled Equipment
Fki Industries Inc Faultless Nutting Div
5110-00-166-120731.501 INTERCHANGEABLE
File,hand
Grobet File Co of America Inc Dba Grobet Usa
4820-00-181-9447 INTERCHANGEABLE
Valve,globe
5330-00-281-8911642978 INTERCHANGEABLE
Packing Material
Chrysler Realty Company Llc Dba Daimler Chrysler
2530-00-352-645321386 INTERCHANGEABLE
Lining,friction
Fwd Seagrave Holdings Lp
5962-00-370-2627LM3900N INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
4730-00-407-1083CS4730-0100 INTERCHANGEABLE
Shield,flange Scree
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Cross-Reference Index
Part NumberManufacturer
103S14 Bendix Corp the (USA)
2523 The Timken Company (FRA)
302677 Sasco Inc Canadian Div
FS4030 Hobart Bros Co (USA)
2523 Rbc Bearings Incorporated Div West Trenton Division (USA)
535667 Fruehauf Corp (USA)
2523 Pike Trailer Co (USA)
2523 Tyson Bearing Co Div Skf Industries Inc (USA)
21386 Gerstenlager Co the (USA)
100697 Asrc Federal Facilities Logistics, Llc (USA)
7422337997 Arquus (FRA)
50213V Navistar International Corporation Dba Navistar (USA)
FS4030 Titan Wheel Corporation of Illinois (USA)
K2523 Skf France (FRA)
11010 Black and Decker Us Inc (USA)
BT2523 Federal-Mogul Corp Government Sales Dept (USA)
2523 Ntn Bearing Corporation of America (USA)
44963 Highway Equipment Company Inc (USA)
51867 Am General Llc (USA)
2523 Hercules Mfg Co (USA)
Related Parts
5930-00-008-6999INTERCHANGEABLE
SWITCH,THERMOSTATIC
3001-14-89
2540-00-081-5441INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
61-181
5930-00-126-1651INTERCHANGEABLE
SWITCH,ROTARY
3761-2
3990-00-137-6126INTERCHANGEABLE
BRAKE,FLOOR,WHEELED EQUIPMENT
C00-01-002
5110-00-166-1207INTERCHANGEABLE
FILE,HAND
31.501
4820-00-181-9447INTERCHANGEABLE
VALVE,GLOBE
5330-00-281-8911INTERCHANGEABLE
PACKING MATERIAL
642978
2530-00-352-6453INTERCHANGEABLE
LINING,FRICTION
21386
5962-00-370-2627INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM3900N
4730-00-407-1083INTERCHANGEABLE
SHIELD,FLANGE SCREE
CS4730-0100
5220-00-421-8752INTERCHANGEABLE
PLATE,SURFACE
80722
5950-00-479-1684INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
7669002-519

Frequently Asked Questions

What is NSN 3110-00-100-0355?

NSN 3110-00-100-0355 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 3110-00-100-0355?

NSN 3110-00-100-0355 has 50 cross-referenced part numbers: 103S14 (Bendix Corp the), 2523 (The Timken Company), 302677 (Sasco Inc Canadian Div), FS4030 (Hobart Bros Co), 2523 (Rbc Bearings Incorporated Div West Trenton Division) and 45 more.

What NSN replaces 3110-00-100-0355?

There are 12 known substitutes for 3110-00-100-0355: 5930-00-008-6999, 2540-00-081-5441, 5930-00-126-1651 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2523?

Key specifications for 2523: Outside Diameter: 2.7500 INCHES NOMINAL IN; Overall Width: 0.7500 INCHES NOMINAL IN; Backface Corner Radius: 0.0469 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-0355 still in active supply?

NSN 3110-00-100-0355 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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