PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55863Bearing,ball,airframe

Hamilton Sundstrand Corporation · NSN 3110-01-191-6805 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-191-6805 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-191-6805. Primary manufacturer part number: 55863.
Features
  • Bearing,ball,airframe — FSC 3110
  • Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES
  • Surface Treatment: CADMIUM EXPOSED SURFACES AS MOUNTED
  • Self-Alignment Location: EXTERNAL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Load Direction: RADIAL
  • Inner Ring Width: 0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
  • Overall Outside Diameter: 1.9365 INCHES MINIMUM AND 1.9375 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-191-6805, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Hamilton Sundstrand Corporation. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-191-6805
Primary Part Number55863
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation
StatusACTIVE
Style DesignatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
Surface TreatmentCADMIUM EXPOSED SURFACES AS MOUNTED
Self-Alignment LocationEXTERNAL
MaterialSTEEL CORROSION RESISTING OVERALL
Load DirectionRADIAL
Inner Ring Width0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
Overall Outside Diameter1.9365 INCHES MINIMUM AND 1.9375 INCHES MAXIMUM IN
Bearing Seal TypeCONTACT
Outer Ring Width0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Alignment TypeSELF-ALIGNING
Seal Quantity2
Bore Diameter0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-01-083-8884 INTERCHANGEABLE
Spring
5895-01-110-589355863 INTERCHANGEABLE
Trackball,data Entry
Orbit International Corp. Div Orbit Instrument
6150-01-420-838255863 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum
6680-01-517-576455863 ITEM 1 INTERCHANGEABLE
Meter,flow Rate Indicating
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
55863 Hamilton Sundstrand Corporation (USA)
KP16BSA1537 Timken Co Div the Timken Company (USA)
Related Parts
5360-01-083-8884INTERCHANGEABLE
SPRING
5895-01-110-5893INTERCHANGEABLE
TRACKBALL,DATA ENTRY
55863
6150-01-420-8382INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
55863
6680-01-517-5764INTERCHANGEABLE
METER,FLOW RATE INDICATING
55863 ITEM 1

Frequently Asked Questions

What is NSN 3110-01-191-6805?

NSN 3110-01-191-6805 is a Bearing,ball,airframe, manufactured by Hamilton Sundstrand Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-191-6805?

NSN 3110-01-191-6805 has 2 cross-referenced part numbers: 55863 (Hamilton Sundstrand Corporation), KP16BSA1537 (Timken Co Div the Timken Company).

What NSN replaces 3110-01-191-6805?

There are 4 known substitutes for 3110-01-191-6805: 5360-01-083-8884, 5895-01-110-5893, 6150-01-420-8382 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55863?

Key specifications for 55863: Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES; Surface Treatment: CADMIUM EXPOSED SURFACES AS MOUNTED; Self-Alignment Location: EXTERNAL; Material: STEEL CORROSION RESISTING OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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