PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-B-171/5Bearing,ball,annular

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 3110-00-155-6344 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6344 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6344. Primary manufacturer part number: FF-B-171/5.
Features
  • Bearing,ball,annular — FSC 3110
  • Internal Fit-Up Designation: STANDARD
  • Shield Quantity: 2
  • Bore Shape: STRAIGHT
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Nondefinitive Spec/std Data: 111 TYPE AND 3 CLASS AND 00 GRADE
  • Retainer Fabrication Method: PRESSED
  • Load Direction: RADIAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6344, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-155-6344
Primary Part NumberFF-B-171/5
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Internal Fit-Up DesignationSTANDARD
Shield Quantity2
Bore ShapeSTRAIGHT
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Nondefinitive Spec/std Data111 TYPE AND 3 CLASS AND 00 GRADE
Retainer Fabrication MethodPRESSED
Load DirectionRADIAL
Shield Quantity2
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Standard Tolerance DesignationABEC NO.1
Internal Fit-Up DesignationSTANDARD
Surface FinishGROUND
Bore ShapeSTRAIGHT
Lubrication MaterialGREASE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Nondefinitive Spec/std Data111 TYPE AND 3 CLASS AND 00 GRADE
MaterialSTEEL OVERALL
Bore Diameter90.00 MILLIMETERS NOMINAL MM
Load DirectionRADIAL
Lubrication MaterialGREASE
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Overall Outside Diameter190.00 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Standard Tolerance DesignationABEC NO.1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5940-00-079-1575826 INTERCHANGEABLE
Terminal Board
Keystone Electronics Corp
4720-01-358-6984 INTERCHANGEABLE
Hose Assembly,nonmetallic
6685-01-622-20601551A INTERCHANGEABLE
Thermometer,self-Indicating,digi
Fluke Corp
Cross-Reference Index
Part NumberManufacturer
FF-B-171/5 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
444T-229 Lincoln Electric Holdings Inc (USA)
FF-B-171/05-J18C2B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
318KDD Timken Co Div the Timken Company (USA)
319687-259 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
6318ZZCE1SA2 Nsk Corp Bearing Div (USA)
77318 General Motors Corp Delco Moraine Ndh Div (USA)
318SFF Skf Usa Inc. (USA)
1551A Kato Engineering Inc. (USA)
77318 General Motors Corp (USA)
318KDDFS381A Timken Co Div the Timken Company (USA)
Related Parts
5940-00-079-1575INTERCHANGEABLE
TERMINAL BOARD
826
4720-01-358-6984INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6685-01-622-2060INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,DIGI
1551A

Frequently Asked Questions

What is NSN 3110-00-155-6344?

NSN 3110-00-155-6344 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 3110-00-155-6344?

NSN 3110-00-155-6344 has 12 cross-referenced part numbers: FF-B-171/5 (Federal Specifications Promulgated by General Services Administration Washington DC), 444T-229 (Lincoln Electric Holdings Inc), FF-B-171/05-J18C2B (Federal Specifications Promulgated by General Services Administration Washington DC), FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC), 318KDD (Timken Co Div the Timken Company) and 7 more.

What NSN replaces 3110-00-155-6344?

There are 3 known substitutes for 3110-00-155-6344: 5940-00-079-1575, 4720-01-358-6984, 6685-01-622-2060. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-B-171/5?

Key specifications for FF-B-171/5: Internal Fit-Up Designation: STANDARD; Shield Quantity: 2; Bore Shape: STRAIGHT; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-155-6344 still in active supply?

NSN 3110-00-155-6344 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.
PartsTable Design LLC · partstable.com