PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18520Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0532 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0532 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0532. Primary manufacturer part number: 18520.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • Backface Corner Radius: 0.0625 INCHES NOMINAL IN
  • Outside Diameter: 2.8750 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • 40 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 3110-00-100-0532, 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 40 commercial cross-references from 34 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
NSN3110-00-100-0532
Primary Part Number18520
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Backface Corner Radius0.0625 INCHES NOMINAL IN
Outside Diameter2.8750 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4330-00-034-827199114979 INTERCHANGEABLE
Shell,worm Screw
Alfa Laval Inc
3010-00-159-8382101458 INTERCHANGEABLE
Coupling,shaft,flexible
Bull SAS
5930-00-201-96098369B INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
6605-00-514-3671 INTERCHANGEABLE
Indicator,induction Compass
6605-00-515-645918520 INTERCHANGEABLE
Indicator,induction Compass
Kearfott Corporation Div Guidance and Navigation Division
1660-00-633-259314979 INTERCHANGEABLE
Fulcrum,demand Valv
Mission Systems Orchard Park Inc
5950-00-647-5338 INTERCHANGEABLE
Transformer,power
3825-00-846-8473 INTERCHANGEABLE
Stop
6105-00-868-2938 INTERCHANGEABLE
Motor,alternating Current
1075-00-902-3987 INTERCHANGEABLE
Catch Pin,friction
Cross-Reference Index
Part NumberManufacturer
52943 Am General Llc (USA)
18S2465 Strick Trailer Co (USA)
14979 Tld Wollard Llc (USA)
101-458 Graco Inc. (USA)
NW14979 Tld Wollard Llc (USA)
BT18520 Federal-Mogul Corp Government Sales Dept (USA)
18520 The Timken Company (FRA)
00213-0034 Harsco Corp Bmy-Combat Systems Div (USA)
JD8220T Deere & Co (USA)
GP1202 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
17007-1 Dana Corp Spicer Transmission Div (USA)
503975 Fruehauf Corp (USA)
DK173-1376 Senior Operations Llc Div Senior Aerospace Ssp (USA)
18520 Tyson Bearing Co Div Skf Industries Inc (USA)
0BT18520 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
213-034 Harsco Corp Bmy-Combat Systems Div (USA)
GP1202 Am General Llc (USA)
18520 Meritor Heavy Vehicle Systems, Llc (USA)
18520 Rbc Bearings Incorporated Div West Trenton Division (USA)
6H930-1 Pettibone Ohio Corp Sub of Pettibone Corp (USA)
Related Parts
4330-00-034-8271INTERCHANGEABLE
SHELL,WORM SCREW
99114979
3010-00-159-8382INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
101458
5930-00-201-9609INTERCHANGEABLE
SWITCH,ROTARY
8369B
6605-00-514-3671INTERCHANGEABLE
INDICATOR,INDUCTION COMPASS
6605-00-515-6459INTERCHANGEABLE
INDICATOR,INDUCTION COMPASS
18520
1660-00-633-2593INTERCHANGEABLE
FULCRUM,DEMAND VALV
14979
5950-00-647-5338INTERCHANGEABLE
TRANSFORMER,POWER
3825-00-846-8473INTERCHANGEABLE
STOP
6105-00-868-2938INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
1075-00-902-3987INTERCHANGEABLE
CATCH PIN,FRICTION
3010-00-908-0636INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
170071
5905-00-962-0538INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON

Frequently Asked Questions

What is NSN 3110-00-100-0532?

NSN 3110-00-100-0532 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 3110-00-100-0532?

NSN 3110-00-100-0532 has 40 cross-referenced part numbers: 52943 (Am General Llc), 18S2465 (Strick Trailer Co), 14979 (Tld Wollard Llc), 101-458 (Graco Inc.), NW14979 (Tld Wollard Llc) and 35 more.

What NSN replaces 3110-00-100-0532?

There are 12 known substitutes for 3110-00-100-0532: 4330-00-034-8271, 3010-00-159-8382, 5930-00-201-9609 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18520?

Key specifications for 18520: Overall Width: 0.5000 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE; Material: STEEL OVERALL; Backface Corner Radius: 0.0625 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-0532 still in active supply?

NSN 3110-00-100-0532 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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