PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103KSFF78Bearing,ball,annular

Skf Usa Inc. · NSN 3110-00-227-4492 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-4492 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-4492. Primary manufacturer part number: 103KSFF78.
Features
  • Bearing,ball,annular — FSC 3110
  • Shield Quantity: 2
  • Retainer Fabrication Method: PRESSED
  • Surface Finish: GROUND
  • Lubrication Material Document and Classification: MIL-G-3545 MIL SPEC SINGLE MATERIAL RESPONSE
  • Bore Shape: STRAIGHT
  • Load Direction: RADIAL
  • Lubrication Material: GREASE
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 3110-00-227-4492, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-227-4492
Primary Part Number103KSFF78
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusCANCELLED
Shield Quantity2
Retainer Fabrication MethodPRESSED
Surface FinishGROUND
Lubrication Material Document and ClassificationMIL-G-3545 MIL SPEC SINGLE MATERIAL RESPONSE
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Lubrication MaterialGREASE
MaterialSTEEL OVERALL
Bore Diameter0.6690 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Overall Outside Diameter1.3777 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5930-00-253-74500481214 INTERCHANGEABLE
Switch,push-Pull
Agco Corp Parts Opn
5315-00-783-9730108186 INTERCHANGEABLE
Pin,straight,headless
Cummins Inc.
5905-01-028-2439247AS-C1135-004 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5985-01-646-70121078694 INTERCHANGEABLE
Antenna Assembly
Viasat Inc Dba Viasat Inc
Cross-Reference Index
Part NumberManufacturer
10-78694 Unison Industries Llc (USA)
10-81816 Teledyne Industries Inc Teledyne Power Systems Div (USA)
10-81812 Amphenol Corp Div Amphenol Aerospace Operations (USA)
10-81816 Unison Industries Llc (USA)
773L03XR1BC General Motors Corp Delco Moraine Ndh Div (USA)
10-81810 Teledyne Industries Inc Teledyne Power Systems Div (USA)
10-81814 Amphenol Corp Div Amphenol Aerospace Operations (USA)
9103KDDE5625A Timken Co Div the Timken Company (USA)
10-81814 Unison Industries Llc (USA)
10-81812 Teledyne Industries Inc Teledyne Power Systems Div (USA)
10-81810 Amphenol Corp Div Amphenol Aerospace Operations (USA)
10-78694 Teledyne Industries Inc Teledyne Power Systems Div (USA)
103KSFF78 PRIMARY Skf Usa Inc. (USA)
10-78694 Amphenol Corp Div Amphenol Aerospace Operations (USA)
10-81816 Amphenol Corp Div Amphenol Aerospace Operations (USA)
10-81812 Unison Industries Llc (USA)
9103KDDE5625 Timken Co Div the Timken Company (USA)
10-8186 Teledyne Industries Inc Teledyne Power Systems Div (USA)
10-81810 Unison Industries Llc (USA)
Related Parts
5930-00-253-7450INTERCHANGEABLE
SWITCH,PUSH-PULL
0481214
5315-00-783-9730INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
108186
5905-01-028-2439INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
247AS-C1135-004
5985-01-646-7012INTERCHANGEABLE
ANTENNA ASSEMBLY
1078694

Frequently Asked Questions

What is NSN 3110-00-227-4492?

NSN 3110-00-227-4492 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-227-4492?

NSN 3110-00-227-4492 has 19 cross-referenced part numbers: 10-78694 (Unison Industries Llc), 10-81816 (Teledyne Industries Inc Teledyne Power Systems Div), 10-81812 (Amphenol Corp Div Amphenol Aerospace Operations), 10-81816 (Unison Industries Llc), 773L03XR1BC (General Motors Corp Delco Moraine Ndh Div) and 14 more.

What NSN replaces 3110-00-227-4492?

There are 4 known substitutes for 3110-00-227-4492: 5930-00-253-7450, 5315-00-783-9730, 5905-01-028-2439 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 103KSFF78?

Key specifications for 103KSFF78: Shield Quantity: 2; Retainer Fabrication Method: PRESSED; Surface Finish: GROUND; Lubrication Material Document and Classification: MIL-G-3545 MIL SPEC SINGLE MATERIAL RESPONSE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-227-4492 still in active supply?

NSN 3110-00-227-4492 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