PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38FFTX2K5Bearing,ball,annular

Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation · NSN 3110-00-548-4975 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-548-4975 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-548-4975. Primary manufacturer part number: 38FFTX2K5.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: RADIAL
  • Seal Quantity: 2
  • Bearing Seal Type: CONTACT
  • Bore Shape: STRAIGHT
  • Lubrication Material: GREASE
  • Surface Finish: GROUND
  • Standard Tolerance Designation: ABEC NO.7
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Aluminum and Fiber Seal construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-548-4975, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-548-4975
Primary Part Number38FFTX2K5
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
StatusACTIVE
Load DirectionRADIAL
Seal Quantity2
Bearing Seal TypeCONTACT
Bore ShapeSTRAIGHT
Lubrication MaterialGREASE
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.7
Lubrication Material Document and ClassificationMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
Internal Clearance0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
Retainer Fabrication MethodMACHINED
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE ALIGNMENT RING
MaterialALUMINUM AND FIBER SEAL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE BALL
MaterialSTEEL COMP E52100 BALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL COMP 302 ALIGNMENT RING
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE INNER RING
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MaterialSTEEL COMP E52100 INNER RING
MaterialALUMINUM AND PLASTIC RETAINER
MaterialSTEEL COMP E52100 OUTER RING
Overall Outside Diameter0.8661 INCHES NOMINAL IN
Bore Diameter0.3150 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-293-826711014596-17 INTERCHANGEABLE
Bearing,ball,annular
Army, United States Department of the Dba Rock Island Arsenal Jmtc
3110-01-117-820358860 INTERCHANGEABLE
Bearing,ball,annular
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
Cross-Reference Index
Part NumberManufacturer
38FFTX2K5 PRIMARY Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
38FFTX2K5G33 Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
38FFTXZK5 Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
Related Parts
3110-00-293-8267INTERCHANGEABLE
BEARING,BALL,ANNULAR
11014596-17
3110-01-117-8203INTERCHANGEABLE
BEARING,BALL,ANNULAR
58860

Frequently Asked Questions

What is NSN 3110-00-548-4975?

NSN 3110-00-548-4975 is a Bearing,ball,annular, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-548-4975?

NSN 3110-00-548-4975 has 3 cross-referenced part numbers: 38FFTX2K5 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), 38FFTX2K5G33 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), 38FFTXZK5 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation).

What NSN replaces 3110-00-548-4975?

There are 2 known substitutes for 3110-00-548-4975: 3110-00-293-8267, 3110-01-117-8203. Verify interchangeability with system specifications before substitution.

What are the specifications of 38FFTX2K5?

Key specifications for 38FFTX2K5: Load Direction: RADIAL; Seal Quantity: 2; Bearing Seal Type: CONTACT; Bore Shape: STRAIGHT. 24 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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