PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

KP8ABearing,ball,airframe

Timken Europa Sarl · NSN 3110-00-142-4472 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-142-4472 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-142-4472. Primary manufacturer part number: KP8A.
Features
  • Bearing,ball,airframe — FSC 3110
  • Bearing Seal Type: CONTACT
  • Outer Ring Width: 0.3080 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
  • Seal Quantity: 2
  • Load Direction: RADIAL
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
  • Inner Ring Width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
  • Lubrication Material: GREASE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Outer Ring construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-142-4472, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Europa Sarl. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-142-4472
Primary Part NumberKP8A
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Europa Sarl
StatusACTIVE
Bearing Seal TypeCONTACT
Outer Ring Width0.3080 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
Seal Quantity2
Load DirectionRADIAL
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Inner Ring Width0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Lubrication MaterialGREASE
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
Bore Diameter0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
MaterialSTEEL COMP E52100 OUTER RING
Style DesignatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
MaterialSTEEL CORROSION RESISTING RETAINER
MaterialSTEEL COMP E52100 INNER RING
MaterialSTEEL COMP E52100 BALL
MaterialRUBBER SYNTHETIC SEAL
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Overall Outside Diameter1.1245 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-016-157946474 INTERCHANGEABLE
Bearing,ball,airframe
Transupport Inc Dba Transupport Inc
3110-00-042-0440MS27641-8 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-554-0029KP8A INTERCHANGEABLE
Bearing,ball,airframe
New Hampshire Ball Bearings Inc Div Precision Division
3110-00-554-6562PC360000001-1 INTERCHANGEABLE
Bearing,ball,airframe
Lockheed Martin Corporation Div Rotary and Mission Systems
5977-00-665-3933 INTERCHANGEABLE
Brush,electrical Contact
9540-00-806-3940 INTERCHANGEABLE
Channel,structural
6520-01-594-7032 INTERCHANGEABLE
File,pulp Canal,dental
Cross-Reference Index
Part NumberManufacturer
KP8A Timken Europa Sarl (FRA)
AN201KP8A Aeronautical Standards Group Dept of Navy and Air Force (USA)
302-1038P9 Raytheon Company Div Corp (USA)
KP8AC3FS160 Timken Co Div the Timken Company (USA)
302-1038P9 Raytheon Company Dba Raytheon Co (USA)
302-1038P9 Raytheon Company Dba Raytheon (USA)
201KP8A Joint Aircraft Committee (USA)
60189 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
KP8A Fag Bearings Corporation (USA)
137-042-9005 Honeywell International Inc. Div Aerospace - Torrance (USA)
KP8AANG25 Timken Co Div the Timken Company (USA)
KP8AFS160 Timken Co Div the Timken Company (USA)
MKP8A9105 Timken Co Div the Timken Company (USA)
KP8A Skf Usa Inc. (USA)
MS20201KP8A Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AN201KP8AANG25 Joint Aircraft Committee (USA)
137-086-9001 Honeywell International Inc. Div Aerospace - Torrance (USA)
KP8A Timken Co Div the Timken Company (USA)
Related Parts
3110-00-016-1579INTERCHANGEABLE
BEARING,BALL,AIRFRAME
46474
3110-00-042-0440INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27641-8
3110-00-554-0029INTERCHANGEABLE
BEARING,BALL,AIRFRAME
KP8A
3110-00-554-6562INTERCHANGEABLE
BEARING,BALL,AIRFRAME
PC360000001-1
5977-00-665-3933INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
9540-00-806-3940INTERCHANGEABLE
CHANNEL,STRUCTURAL
6520-01-594-7032INTERCHANGEABLE
FILE,PULP CANAL,DENTAL

Frequently Asked Questions

What is NSN 3110-00-142-4472?

NSN 3110-00-142-4472 is a Bearing,ball,airframe, manufactured by Timken Europa Sarl, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-142-4472?

NSN 3110-00-142-4472 has 18 cross-referenced part numbers: KP8A (Timken Europa Sarl), AN201KP8A (Aeronautical Standards Group Dept of Navy and Air Force), 302-1038P9 (Raytheon Company Div Corp), KP8AC3FS160 (Timken Co Div the Timken Company), 302-1038P9 (Raytheon Company Dba Raytheon Co) and 13 more.

What NSN replaces 3110-00-142-4472?

There are 7 known substitutes for 3110-00-142-4472: 3110-00-016-1579, 3110-00-042-0440, 3110-00-554-0029 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of KP8A?

Key specifications for KP8A: Bearing Seal Type: CONTACT; Outer Ring Width: 0.3080 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN; Seal Quantity: 2; Load Direction: RADIAL. 17 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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