PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11520Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0509 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0509 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0509. Primary manufacturer part number: 11520.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Material: STEEL OVERALL
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Outside Diameter: 1.6875 INCHES NOMINAL IN
  • Backface Corner Radius: 0.0630 INCHES NOMINAL IN
  • 29 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 3110-00-100-0509, 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 29 commercial cross-references from 24 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
NSN3110-00-100-0509
Primary Part Number11520
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
MaterialSTEEL OVERALL
Standard Tolerance DesignationAFBMA CLASS 2
Outside Diameter1.6875 INCHES NOMINAL IN
Backface Corner Radius0.0630 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5935-00-131-4044 INTERCHANGEABLE
Connector,plug,electrical
5935-00-721-256133-5294-1 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corporation Div Amphenol Rf
5998-00-985-0970 INTERCHANGEABLE
Circuit Card Assembly
5360-01-029-0656 INTERCHANGEABLE
Spring,helical,extension
9520-01-048-064280641 INTERCHANGEABLE
Channel,structural
L3harris Technologies, Inc Div Space & Airborne Systems
5330-01-067-330152941 INTERCHANGEABLE
Gasket
Mcculloch Corp
5940-01-115-074252941 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5895-01-130-69225294-1 INTERCHANGEABLE
Detector,radio Frequency
Caes Systems Llc Div Missile Systems Division
8010-01-236-5792 INTERCHANGEABLE
Coating Kit,rain Erosion Resisti
4940-01-550-773216990 INTERCHANGEABLE
Leak Detector,refrigerant Gas
Spx Corporation Dba O T C Tool & Equip Division Div Spx Corp - Kent-Moore/otc Divisons
Cross-Reference Index
Part NumberManufacturer
152808R1 Navistar International Corporation Dba Navistar (USA)
11520 PRIMARY The Timken Corporation (USA)
11520 The Timken Company (FRA)
80641 Thales Air Defence (FRA)
R20992 Pressed Metals of America Inc (USA)
11520 PRIMARY Ntn Bearing Corporation of America (USA)
K11520 Skf France (FRA)
52941 Am General Llc (USA)
BT11520 Federal-Mogul Corp Government Sales Dept (USA)
16990 Dana Corp Spicer Transmission Div (USA)
1793515 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
550217 Roper Industries Inc Roper Pump Co Div (USA)
FF-B-187 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
TU91 Cissell Manufacturing Company Dba Cissell Mfg (USA)
11520 Rbc Bearings Incorporated Div West Trenton Division (USA)
550217 Dana Corp Spicer Transmission Div (USA)
152808R1 International Harvester Co Agricultural Equipment Div (USA)
B9C3126A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
80641 Thomson/houston Hotchkiss/brandt (FRA)
65C35476-3 San Antonio Air Logistics Center (USA)
Related Parts
5935-00-131-4044INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-00-721-2561INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
33-5294-1
5998-00-985-0970INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5360-01-029-0656INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
9520-01-048-0642INTERCHANGEABLE
CHANNEL,STRUCTURAL
80641
5330-01-067-3301INTERCHANGEABLE
GASKET
52941
5940-01-115-0742INTERCHANGEABLE
TERMINAL,LUG
52941
5895-01-130-6922INTERCHANGEABLE
DETECTOR,RADIO FREQUENCY
5294-1
8010-01-236-5792INTERCHANGEABLE
COATING KIT,RAIN EROSION RESISTI
4940-01-550-7732INTERCHANGEABLE
LEAK DETECTOR,REFRIGERANT GAS
16990
6515-01-588-0617INTERCHANGEABLE
GUIDE BLOCK,BONE PLATE
03.111.601
5305-01-682-1881INTERCHANGEABLE
SCREW,MACHINE
16990-6C-48

Frequently Asked Questions

What is NSN 3110-00-100-0509?

NSN 3110-00-100-0509 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 3110-00-100-0509?

NSN 3110-00-100-0509 has 29 cross-referenced part numbers: 152808R1 (Navistar International Corporation Dba Navistar), 11520 (The Timken Corporation), 11520 (The Timken Company), 80641 (Thales Air Defence), R20992 (Pressed Metals of America Inc) and 24 more.

What NSN replaces 3110-00-100-0509?

There are 12 known substitutes for 3110-00-100-0509: 5935-00-131-4044, 5935-00-721-2561, 5998-00-985-0970 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11520?

Key specifications for 11520: Special Features: STEEP ANGLE; Material: STEEL OVERALL; Standard Tolerance Designation: AFBMA CLASS 2; Overall Width: 0.3750 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-0509 still in active supply?

NSN 3110-00-100-0509 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.
PartsTable Design LLC · partstable.com