PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

KP8ABearing,ball,airframe

New Hampshire Ball Bearings Inc Div Precision Division · NSN 3110-00-554-0029 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-554-0029 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-554-0029. Primary manufacturer part number: KP8A.
Features
  • Bearing,ball,airframe — FSC 3110
  • Bearing Seal Type: CONTACT
  • Seal Quantity: 2
  • Outer Ring Width: 0.3130 INCHES NOMINAL IN
  • Inner Ring Width: 0.3750 INCHES NOMINAL IN
  • Load Direction: RADIAL
  • Material: STEEL INNER RING
  • Overall Outside Diameter: 1.1250 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Inner Ring construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-554-0029, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Hampshire Ball Bearings Inc Div Precision Division. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-554-0029
Primary Part NumberKP8A
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Precision Division
StatusACTIVE
Bearing Seal TypeCONTACT
Seal Quantity2
Outer Ring Width0.3130 INCHES NOMINAL IN
Inner Ring Width0.3750 INCHES NOMINAL IN
Load DirectionRADIAL
MaterialSTEEL INNER RING
Overall Outside Diameter1.1250 INCHES NOMINAL IN
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
Style DesignatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
Bore Diameter0.5000 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEAL
MaterialSTEEL OUTER RING
MaterialSTEEL BALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
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
3110-00-142-4472 INTERCHANGEABLE
Bearing,ball,airframe
Cross-Reference Index
Part NumberManufacturer
KP8A PRIMARY New Hampshire Ball Bearings Inc Div Precision Division (USA)
KP8AB100B00-0-1 4SF099J Skf Usa Inc. (USA)
KP8A New Hampshire Ball Bearings Inc Div Hitech Division (USA)
Related Parts
3110-00-016-1579INTERCHANGEABLE
BEARING,BALL,AIRFRAME
46474
3110-00-042-0440INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27641-8
3110-00-142-4472INTERCHANGEABLE
BEARING,BALL,AIRFRAME

Frequently Asked Questions

What is NSN 3110-00-554-0029?

NSN 3110-00-554-0029 is a Bearing,ball,airframe, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-554-0029?

NSN 3110-00-554-0029 has 3 cross-referenced part numbers: KP8A (New Hampshire Ball Bearings Inc Div Precision Division), KP8AB100B00-0-1 4SF099J (Skf Usa Inc.), KP8A (New Hampshire Ball Bearings Inc Div Hitech Division).

What NSN replaces 3110-00-554-0029?

There are 3 known substitutes for 3110-00-554-0029: 3110-00-016-1579, 3110-00-042-0440, 3110-00-142-4472. Verify interchangeability with system specifications before substitution.

What are the specifications of KP8A?

Key specifications for KP8A: Bearing Seal Type: CONTACT; Seal Quantity: 2; Outer Ring Width: 0.3130 INCHES NOMINAL IN; Inner Ring Width: 0.3750 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com