PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS27641-3Bearing,ball,airframe

Sae International Dba Sae International · NSN 3110-00-027-8758 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-027-8758 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-027-8758. Primary manufacturer part number: MS27641-3.
Features
  • Bearing,ball,airframe — FSC 3110
  • Overall Outside Diameter: 0.6250 INCHES NOMINAL IN
  • Load Direction: RADIAL
  • Lubrication Material Document and Classification: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
  • Bearing Seal Type: CONTACT
  • Inner Ring Width: 0.2970 INCHES NOMINAL IN
  • Seal Quantity: 2
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Polytetrafluoroethylene Seal construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-027-8758, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-027-8758
Primary Part NumberMS27641-3
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Overall Outside Diameter0.6250 INCHES NOMINAL IN
Load DirectionRADIAL
Lubrication Material Document and ClassificationMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
Bearing Seal TypeCONTACT
Inner Ring Width0.2970 INCHES NOMINAL IN
Seal Quantity2
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Outer Ring Width0.2294 INCHES MINIMUM AND 0.2344 INCHES MAXIMUM IN
Material Document and ClassificationAMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 3666 ASSN STD SINGLE MATERIAL RESPONSE SEAL
Surface TreatmentCADMIUM EXPOSED SURFACES AS MOUNTED
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAL
MaterialSTEEL COMP E52100 INNER RING
Specification/standard Data96906-MS27641-3 GOVERNMENT STANDARD
MaterialSTEEL COMP E52100 OUTER RING
Style DesignatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
MaterialSTEEL CORROSION RESISTING RETAINER
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 BALL
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES BALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE INNER RING
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
Bore Diameter0.1900 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-001-1938MS27641-20RG INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-027-4028MS27641-10 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-027-7423 INTERCHANGEABLE
Bearing,ball,airframe
3110-00-027-8142 INTERCHANGEABLE
Bearing,ball,airframe
3110-00-030-3381AS27641-4 INTERCHANGEABLE
Bearing,ball,airframe
The Boeing Company Div Defense
3110-00-034-5257MS27641-6 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-042-0440MS27641-8 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-142-4451C240239-2 INTERCHANGEABLE
Bearing,ball,airframe
Raytheon Company Dba Raytheon Co
3110-00-901-1045KP3A INTERCHANGEABLE
Bearing,ball,airframe
Simpson Engineering Co
3110-01-037-1256MS24641-12G INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
2910047 Embraer Aviation International (FRA)
9408308601 Pilatus Aircraft Ltd (CHE)
KP3A85 Skf Usa Inc. (USA)
3110PL0138803 Jednolity Indeks Materialowy - Uniform Material Index (POL)
KP3AK Timken Co Div the Timken Company (USA)
KP3A Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
MS27641-3G Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
137-042-9001 Honeywell International Inc. Div Aerospace - Torrance (USA)
KP3AFS464 Timken Co Div the Timken Company (USA)
3110PL2023820 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AS27641 Sae International Dba Sae International (USA)
2910047 Embraer Empresa Brasileira De Aeronautica Sa (BRA)
MS27641-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS27641-3 Society of Automotive Engineers Inc (USA)
KP3AFS464 Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings (USA)
10107317 Nimikkeistokeskus Ncb Finland (FIN)
15D1422 Globe Motors, Inc. Dba Allient Dayton (USA)
KP3AD Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
AS27641 Society of Automotive Engineers Inc (USA)
2910047 Embraer S.a. (BRA)
Related Parts
3110-00-001-1938INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27641-20RG
3110-00-027-4028INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27641-10
3110-00-027-7423INTERCHANGEABLE
BEARING,BALL,AIRFRAME
3110-00-027-8142INTERCHANGEABLE
BEARING,BALL,AIRFRAME
3110-00-030-3381INTERCHANGEABLE
BEARING,BALL,AIRFRAME
AS27641-4
3110-00-034-5257INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27641-6
3110-00-042-0440INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27641-8
3110-00-142-4451INTERCHANGEABLE
BEARING,BALL,AIRFRAME
C240239-2
3110-00-901-1045INTERCHANGEABLE
BEARING,BALL,AIRFRAME
KP3A
3110-01-037-1256INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS24641-12G
3120-01-111-1099INTERCHANGEABLE
BUSHING,SLEEVE
350587-1
3110-01-123-2323INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27641-5R

Frequently Asked Questions

What is NSN 3110-00-027-8758?

NSN 3110-00-027-8758 is a Bearing,ball,airframe, manufactured by Sae International Dba Sae International, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-027-8758?

NSN 3110-00-027-8758 has 21 cross-referenced part numbers: 2910047 (Embraer Aviation International), 9408308601 (Pilatus Aircraft Ltd), KP3A85 (Skf Usa Inc.), 3110PL0138803 (Jednolity Indeks Materialowy - Uniform Material Index), KP3AK (Timken Co Div the Timken Company) and 16 more.

What NSN replaces 3110-00-027-8758?

There are 12 known substitutes for 3110-00-027-8758: 3110-00-001-1938, 3110-00-027-4028, 3110-00-027-7423 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS27641-3?

Key specifications for MS27641-3: Overall Outside Diameter: 0.6250 INCHES NOMINAL IN; Special Features: 80 PCT. FULL OF MIL-G-81322,INTERNAL RADIAL CLEARANCE 0.0004- 0.0010 IN.,HEAT TREAT RINGS AND BALLS TO ROCKWELL C 60 TO 66 AND STABILIZED FOR OPERATION AT 250 DEG. F,RADIAL AND LATERAL ECCENTRICITY INNER RING 0.0010 IN. OUTER RING 0.0016 IN. IN; Load Direction: RADIAL; Lubrication Material Document and Classification: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-027-8758 still in active supply?

NSN 3110-00-027-8758 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.
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