PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25578Cone and Rollers,tapered Roller

The Timken Corporation · NSN 3110-00-100-3540 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-3540 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-3540. Primary manufacturer part number: 25578.
Features
  • Cone and Rollers,tapered Roller — FSC 3110
  • Style Designator: NORMAL ANGLE
  • Cone Width: 1.0000 INCHES NOMINAL IN
  • Cone Corner Radius: 0.0900 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Bore Diameter: 1.6875 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • 20 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-00-100-3540, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 13 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
NSN3110-00-100-3540
Primary Part Number25578
Item NameCone and Rollers,tapered Roller
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Style DesignatorNORMAL ANGLE
Cone Width1.0000 INCHES NOMINAL IN
Cone Corner Radius0.0900 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Bore Diameter1.6875 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3455-00-293-052208580 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
3455-00-318-7740 INTERCHANGEABLE
File,rotary
5977-00-383-374932710 INTERCHANGEABLE
Brush,electrical Contact
Prestolite Electric Inc
5961-00-553-9330 INTERCHANGEABLE
Transistor
5355-00-667-92252Z3044-2 INTERCHANGEABLE
Knob
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2540-00-734-239340390 INTERCHANGEABLE
Regulator
Eaton Corp Count Control/systems Div
5950-00-824-9190602B874H01 INTERCHANGEABLE
Reactor
Northrop Grumman Support Services Corp
5310-01-074-209556479 INTERCHANGEABLE
Nut,plain,hexagon
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
4140-01-144-375125578 INTERCHANGEABLE
Impeller,fan,axial
Schneider Metal Mfg Co Inc Ross Temp Div
5365-01-189-5581255-78 INTERCHANGEABLE
Spacer
Heathkit Co Inc Dba Heathkit Educational Systems
Cross-Reference Index
Part NumberManufacturer
25578 Tyson Bearing Co Div Skf Industries Inc (USA)
40390 Cnh Industrial America Llc Dba Cnh America (USA)
25578 PRIMARY The Timken Corporation (USA)
S10F32710 Allianz Sweeper Company (USA)
684221 Ford Motor Company (USA)
25578 Federal-Mogul Corp Government Sales Dept (USA)
RCJ60 Cryogenic Equipment Inc (USA)
25578 Rbc Bearings Incorporated Div West Trenton Division (USA)
32710 Allianz Sweeper Company (USA)
3F6870 Caterpillar Inc Div Caterpillar Defense (USA)
799115 The Timken Corporation (USA)
BT25578 Federal-Mogul Corp Government Sales Dept (USA)
25578 Arrow-Master, Incorporated (USA)
68-4221 Portec Inc Pioneer Div (USA)
799115 Federal-Mogul Corp Government Sales Dept (USA)
F738-10-B11-G-PC6 Altra Industrial Motion Corp. (USA)
799115 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
684221 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
799115 Ford Motor Company (USA)
56479 Altra Industrial Motion Corp. (USA)
Related Parts
3455-00-293-0522INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
08580
3455-00-318-7740INTERCHANGEABLE
FILE,ROTARY
5977-00-383-3749INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
32710
5961-00-553-9330INTERCHANGEABLE
TRANSISTOR
5355-00-667-9225INTERCHANGEABLE
KNOB
2Z3044-2
2540-00-734-2393INTERCHANGEABLE
REGULATOR
40390
5950-00-824-9190INTERCHANGEABLE
REACTOR
602B874H01
5310-01-074-2095INTERCHANGEABLE
NUT,PLAIN,HEXAGON
56479
4140-01-144-3751INTERCHANGEABLE
IMPELLER,FAN,AXIAL
25578
5365-01-189-5581INTERCHANGEABLE
SPACER
255-78
6680-01-200-1818INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
XM-36480-16-8200-O-L
5310-01-365-6099INTERCHANGEABLE
NUT,PLAIN,KNURLED
32710

Frequently Asked Questions

What is NSN 3110-00-100-3540?

NSN 3110-00-100-3540 is a Cone and Rollers,tapered Roller, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-3540?

NSN 3110-00-100-3540 has 20 cross-referenced part numbers: 25578 (Tyson Bearing Co Div Skf Industries Inc), 40390 (Cnh Industrial America Llc Dba Cnh America), 25578 (The Timken Corporation), S10F32710 (Allianz Sweeper Company), 684221 (Ford Motor Company) and 15 more.

What NSN replaces 3110-00-100-3540?

There are 12 known substitutes for 3110-00-100-3540: 3455-00-293-0522, 3455-00-318-7740, 5977-00-383-3749 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25578?

Key specifications for 25578: Style Designator: NORMAL ANGLE; Cone Width: 1.0000 INCHES NOMINAL IN; Cone Corner Radius: 0.0900 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-3540 still in active supply?

NSN 3110-00-100-3540 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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