PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB171Bearing,ball,annular

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 3110-00-156-4191 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-4191 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-4191. Primary manufacturer part number: FFB171.
Features
  • Bearing,ball,annular — FSC 3110
  • Bearing Seal Type: CONTACT
  • Standard Tolerance Designation: ABEC NO.1
  • Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
  • Bore Shape: STRAIGHT
  • Seal Quantity: 2
  • Retainer Fabrication Method: PRESSED
  • Standard Tolerance Designation: ABEC NO.1
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Inner Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-4191, 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 29 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-4191
Primary Part NumberFFB171
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Bearing Seal TypeCONTACT
Standard Tolerance DesignationABEC NO.1
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Bore ShapeSTRAIGHT
Seal Quantity2
Retainer Fabrication MethodPRESSED
Standard Tolerance DesignationABEC NO.1
Bearing Seal TypeCONTACT
Lubrication MaterialGREASE
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
Load DirectionRADIAL
MaterialSTEEL INNER RING
Departure From Cited DesignatorAS MODIFIED BY BORE DIAMETER AND OVERALL WIDTH
MaterialSTEEL BALL
MaterialSTEEL RETAINER
MaterialRUBBER SYNTHETIC SEAL
MaterialSTEEL INNER RING
Nondefinitive Spec/std Data118 TYPE AND 2 CLASS AND 00 GRADE
Overall Outside Diameter35.00 MILLIMETERS NOMINAL MM
Departure From Cited DesignatorAS MODIFIED BY BORE DIAMETER AND OVERALL WIDTH
Seal Quantity2
MaterialSTEEL OUTER RING
Internal Fit-Up DesignationSTANDARD
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore ShapeSTRAIGHT
Bore Diameter16.00 MILLIMETERS NOMINAL MM
Lubrication MaterialGREASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-156-3485202KLL3FS50381A INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
2040-00-630-352788016 INTERCHANGEABLE
Stuffing Box and Bearing,rudder
Mcneil Ohio Corp
6850-01-215-7542IP 100 T48 INTERCHANGEABLE
Freeze Pack
Ice-Pak Ltd Ltee
Cross-Reference Index
Part NumberManufacturer
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
88016 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
Related Parts
3110-00-156-3485INTERCHANGEABLE
BEARING,BALL,ANNULAR
202KLL3FS50381A
2040-00-630-3527INTERCHANGEABLE
STUFFING BOX AND BEARING,RUDDER
88016
6850-01-215-7542INTERCHANGEABLE
FREEZE PACK
IP 100 T48

Frequently Asked Questions

What is NSN 3110-00-156-4191?

NSN 3110-00-156-4191 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 3110-00-156-4191?

NSN 3110-00-156-4191 has 2 cross-referenced part numbers: FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC), 88016 (Schatz Bearing Corporation Dba Schatz Bearing Corp).

What NSN replaces 3110-00-156-4191?

There are 3 known substitutes for 3110-00-156-4191: 3110-00-156-3485, 2040-00-630-3527, 6850-01-215-7542. Verify interchangeability with system specifications before substitution.

What are the specifications of FFB171?

Key specifications for FFB171: Bearing Seal Type: CONTACT; Standard Tolerance Designation: ABEC NO.1; Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE; Bore Shape: STRAIGHT. 30 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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