PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-B-171/09X08A2XBearing,ball,annular

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 3110-00-844-0720 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-844-0720 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-844-0720. Primary manufacturer part number: FF-B-171/09X08A2X.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 80.00 MILLIMETERS NOMINAL MM
  • Material: STEEL INNER RING
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE CARTRIDGE TYPE
  • Material: RUBBER SYNTHETIC SEAL
  • Retainer Fabrication Method: PRESSED
  • Seal Quantity: 2
  • Bearing Seal Type: CONTACT
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 3110-00-844-0720, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-844-0720
Primary Part NumberFF-B-171/09X08A2X
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Overall Outside Diameter80.00 MILLIMETERS NOMINAL MM
MaterialSTEEL INNER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE CARTRIDGE TYPE
MaterialRUBBER SYNTHETIC SEAL
Retainer Fabrication MethodPRESSED
Seal Quantity2
Bearing Seal TypeCONTACT
Standard Tolerance DesignationABEC NO.1
Lubrication MaterialGREASE
Internal Fit-Up DesignationSTANDARD
Lubrication Material Document and ClassificationMIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
Surface FinishGROUND
Bore ShapeSTRAIGHT
Load DirectionRADIAL
MaterialSTEEL RETAINER
MaterialSTEEL BALL
MaterialSTEEL OUTER RING
Bore Diameter40.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3455-00-231-352653-10009 INTERCHANGEABLE
Cutter,milling,shell End
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
3110-00-715-0117 INTERCHANGEABLE
Bearing,ball,annular
3110-00-726-2788 INTERCHANGEABLE
Bearing,ball,annular
3110-00-967-2995 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
FF-B-171/09X08A2X Federal Specifications Promulgated by General Services Administration Washington DC (USA)
S3508 Fag Bearings Corporation (USA)
FF-B-171/09 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
W208PPC2FS160 Timken Co Div the Timken Company (USA)
A20778 Fag Bearings Corporation (USA)
W208PPFS160 Timken Co Div the Timken Company (USA)
Related Parts
3455-00-231-3526INTERCHANGEABLE
CUTTER,MILLING,SHELL END
53-10009
3110-00-715-0117INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-726-2788INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-967-2995INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-00-844-0720?

NSN 3110-00-844-0720 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: cancelled.

What are the part numbers for NSN 3110-00-844-0720?

NSN 3110-00-844-0720 has 6 cross-referenced part numbers: FF-B-171/09X08A2X (Federal Specifications Promulgated by General Services Administration Washington DC), S3508 (Fag Bearings Corporation), FF-B-171/09 (Federal Specifications Promulgated by General Services Administration Washington DC), W208PPC2FS160 (Timken Co Div the Timken Company), A20778 (Fag Bearings Corporation) and 1 more.

What NSN replaces 3110-00-844-0720?

There are 4 known substitutes for 3110-00-844-0720: 3455-00-231-3526, 3110-00-715-0117, 3110-00-726-2788 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-B-171/09X08A2X?

Key specifications for FF-B-171/09X08A2X: Overall Outside Diameter: 80.00 MILLIMETERS NOMINAL MM; Material: STEEL INNER RING; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE CARTRIDGE TYPE; Material: RUBBER SYNTHETIC SEAL. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-844-0720 still in active supply?

NSN 3110-00-844-0720 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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