PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

508056603Bearing,ball,annular

Ksb Itur Spain Sa · NSN 3110-01-250-6792 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-250-6792 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-250-6792. Primary manufacturer part number: 508056603.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Load Direction: ANGULAR
  • Style Designator: LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL OVERALL
  • Retainer Fabrication Method: PRESSED
  • Overall Outside Diameter: 90.0 MILLIMETERS NOMINAL MM
  • Alignment Type: RIGID
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-250-6792, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Ksb Itur Spain Sa. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-250-6792
Primary Part Number508056603
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerKsb Itur Spain Sa
StatusACTIVE
Surface FinishGROUND
Load DirectionANGULAR
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Retainer Fabrication MethodPRESSED
Overall Outside Diameter90.0 MILLIMETERS NOMINAL MM
Alignment TypeRIGID
Bore ShapeSTRAIGHT
Bore Diameter40.0 MILLIMETERS NOMINAL MM
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Internal Fit-Up DesignationLOOSE
Standard Tolerance DesignationABEC NO.1
Contact Angle35.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-5436 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-5445 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-5446 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-5458 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7890 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7904 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7906 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7928 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7929 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7967 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
508056603 Ksb Itur Spain Sa (ESP)
FFB171/37J08A3E Federal Specifications Promulgated by General Services Administration Washington DC (USA)
PP047BFC Circor Pumps North America Llc (USA)
3308.C3 Fag Bearings Corporation (USA)
FF-B-171/37 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-59641 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
508056603 Sanchez Aragon Europea De Servicios SL (ESP)
AA59641-908JACT Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
3110-00-156-5436INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-5445INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-5446INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-5458INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7890INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7904INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7906INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7928INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7929INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7967INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7979INTERCHANGEABLE
BEARING,BALL,ANNULAR
5318WBR
3110-00-198-1468INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER

Frequently Asked Questions

What is NSN 3110-01-250-6792?

NSN 3110-01-250-6792 is a Bearing,ball,annular, manufactured by Ksb Itur Spain Sa, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-250-6792?

NSN 3110-01-250-6792 has 8 cross-referenced part numbers: 508056603 (Ksb Itur Spain Sa), FFB171/37J08A3E (Federal Specifications Promulgated by General Services Administration Washington DC), PP047BFC (Circor Pumps North America Llc), 3308.C3 (Fag Bearings Corporation), FF-B-171/37 (Federal Specifications Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 3110-01-250-6792?

There are 12 known substitutes for 3110-01-250-6792: 3110-00-156-5436, 3110-00-156-5445, 3110-00-156-5446 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 508056603?

Key specifications for 508056603: Surface Finish: GROUND; Load Direction: ANGULAR; Overall Width: 1.4375 INCHES NOMINAL IN; Style Designator: LOADING GROOVE, NON-SEPARABLE. 14 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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