PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5520186Bearing,ball,thrust

Skf Usa Inc. · NSN 3110-00-891-5101 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-891-5101 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-891-5101. Primary manufacturer part number: 5520186.
Features
  • Bearing,ball,thrust — FSC 3110
  • Material: STEEL OVERALL
  • Style Designator: GROOVED RACE SURFACE
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR THRUST BEARINGS
  • Retainer Fabrication Method: PRESSED
  • Thrust Directional Capability Designation: SINGLE
  • Alignment Type: RIGID
  • Surface Finish: GROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,thrust, cataloged under National Stock Number 3110-00-891-5101, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-891-5101
Primary Part Number5520186
Item NameBearing,ball,thrust
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusCANCELLED
MaterialSTEEL OVERALL
Style DesignatorGROOVED RACE SURFACE
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR THRUST BEARINGS
Retainer Fabrication MethodPRESSED
Thrust Directional Capability DesignationSINGLE
Alignment TypeRIGID
Surface FinishGROUND
Overall Outside Diameter53.0 MILLIMETERS NOMINAL MM
Bore Smallest Diameter35.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3110-00-100-063707204 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
5999-00-247-7527SC-B-69870 INTERCHANGEABLE
Contact,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5360-00-300-765440516 INTERCHANGEABLE
Spring,helical,compression
Bae Systems Land & Armaments L.p.
5310-00-367-85854054412 INTERCHANGEABLE
Nut,self-Locking,hexagon
Howmet Global Fastening Systems Inc
5950-00-805-8389326800 INTERCHANGEABLE
Transformer,power Autotransforme
Lockheed Martin Librascope Corporation
3110-00-869-3671748-743X INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
3110-01-056-1575 INTERCHANGEABLE
Bearing,ball,thrust
2590-01-251-501451107 INTERCHANGEABLE
Winch,drum,vehicle Mounting
DP Manufacturing Inc.
5360-01-665-302551107 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5330-01-726-043951107 INTERCHANGEABLE
Seal Ring,metal
General Electrodynamics Corporation Dba Nsd Scale
Cross-Reference Index
Part NumberManufacturer
51107 Skf Usa Inc. (USA)
5520186 PRIMARY Skf Usa Inc. (USA)
5520186 Naval Sea Systems Command (USA)
51107 Fag Bearings Corporation (USA)
3110PL0816036 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5520186 PRIMARY Fag Bearings Corporation (USA)
400-4907 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
3110-00-100-0637INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
07204
5999-00-247-7527INTERCHANGEABLE
CONTACT,ELECTRICAL
SC-B-69870
5360-00-300-7654INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
40516
5310-00-367-8585INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
4054412
5950-00-805-8389INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
326800
3110-00-869-3671INTERCHANGEABLE
BEARING,ROLLER,TAPERED
748-743X
3110-01-056-1575INTERCHANGEABLE
BEARING,BALL,THRUST
2590-01-251-5014INTERCHANGEABLE
WINCH,DRUM,VEHICLE MOUNTING
51107
5360-01-665-3025INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
51107
5330-01-726-0439INTERCHANGEABLE
SEAL RING,METAL
51107

Frequently Asked Questions

What is NSN 3110-00-891-5101?

NSN 3110-00-891-5101 is a Bearing,ball,thrust, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-891-5101?

NSN 3110-00-891-5101 has 7 cross-referenced part numbers: 51107 (Skf Usa Inc.), 5520186 (Skf Usa Inc.), 5520186 (Naval Sea Systems Command), 51107 (Fag Bearings Corporation), 3110PL0816036 (Jednolity Indeks Materialowy - Uniform Material Index) and 2 more.

What NSN replaces 3110-00-891-5101?

There are 10 known substitutes for 3110-00-891-5101: 3110-00-100-0637, 5999-00-247-7527, 5360-00-300-7654 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5520186?

Key specifications for 5520186: Material: STEEL OVERALL; Style Designator: GROOVED RACE SURFACE; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR THRUST BEARINGS; Retainer Fabrication Method: PRESSED. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-891-5101 still in active supply?

NSN 3110-00-891-5101 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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