PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB171TYPE115GRADE50Bearing,ball,annular

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 3110-00-588-7358 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-588-7358 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-588-7358. Primary manufacturer part number: FFB171TYPE115GRADE50.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.1250 INCHES NOMINAL IN
  • Lubrication Material: OIL
  • Standard Tolerance Designation: ABEC NO.5
  • Lubrication Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
  • Shield Quantity: 2
  • Bore Shape: STRAIGHT
  • Load Direction: RADIAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-588-7358, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-588-7358
Primary Part NumberFFB171TYPE115GRADE50
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Bore Diameter0.1250 INCHES NOMINAL IN
Lubrication MaterialOIL
Standard Tolerance DesignationABEC NO.5
Lubrication Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
Shield Quantity2
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Surface FinishGROUND
Internal Clearance0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
Retainer Fabrication MethodPRESSED
Nondefinitive Spec/std Data115 TYPE AND 50 GRADE
MaterialSTEEL BALL
MaterialSTEEL INNER RING
MaterialSTEEL CORROSION RESISTING SHIELD
Departure From Cited DesignatorAS MODIFIED BY INTERNAL CLEARANCE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OUTER RING
MaterialSTEEL CORROSION RESISTING RETAINER
Overall Outside Diameter0.5000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-540-80881225768-86 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-620-67831214-9 INTERCHANGEABLE
Bearing,ball,annular
Bae Systems Information and Electronic Systems Integration Inc.
3110-00-690-1862529F001711 INTERCHANGEABLE
Bearing,ball,annular
L3 Technologies, Inc. Div L3 Keo
3110-00-720-2336 INTERCHANGEABLE
Bearing,ball,annular
3110-00-725-4099115558-002 INTERCHANGEABLE
Bearing,ball,annular
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
3110-00-731-1721 INTERCHANGEABLE
Bearing,ball,annular
3110-00-732-8361G-243839 INTERCHANGEABLE
Bearing,ball,duplex
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
3110-00-763-7685E1-1 INTERCHANGEABLE
Bearing,ball,annular
Roller Bearing Co of America, Inc Div Pic Design
3110-00-789-173816711-11L INTERCHANGEABLE
Bearing,ball,annular
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
3110-00-857-5746135015-003 INTERCHANGEABLE
Bearing,ball,annular
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Cross-Reference Index
Part NumberManufacturer
FFB171TYPE115GRADE50 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
859546 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
3110-00-540-8088INTERCHANGEABLE
BEARING,BALL,ANNULAR
1225768-86
3110-00-620-6783INTERCHANGEABLE
BEARING,BALL,ANNULAR
1214-9
3110-00-690-1862INTERCHANGEABLE
BEARING,BALL,ANNULAR
529F001711
3110-00-720-2336INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-725-4099INTERCHANGEABLE
BEARING,BALL,ANNULAR
115558-002
3110-00-731-1721INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-732-8361INTERCHANGEABLE
BEARING,BALL,DUPLEX
G-243839
3110-00-763-7685INTERCHANGEABLE
BEARING,BALL,ANNULAR
E1-1
3110-00-789-1738INTERCHANGEABLE
BEARING,BALL,ANNULAR
16711-11L
3110-00-857-5746INTERCHANGEABLE
BEARING,BALL,ANNULAR
135015-003
3110-00-897-2944INTERCHANGEABLE
BEARING,BALL,ANNULAR
A566-256

Frequently Asked Questions

What is NSN 3110-00-588-7358?

NSN 3110-00-588-7358 is a Bearing,ball,annular, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-588-7358?

NSN 3110-00-588-7358 has 2 cross-referenced part numbers: FFB171TYPE115GRADE50 (Federal Specifications Promulgated by General Services Administration Washington DC), 859546 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3110-00-588-7358?

There are 11 known substitutes for 3110-00-588-7358: 3110-00-540-8088, 3110-00-620-6783, 3110-00-690-1862 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFB171TYPE115GRADE50?

Key specifications for FFB171TYPE115GRADE50: Bore Diameter: 0.1250 INCHES NOMINAL IN; Lubrication Material: OIL; Standard Tolerance Designation: ABEC NO.5; Lubrication Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE. 21 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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