PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-B-171Bearing,ball,annular

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 3110-00-156-5276 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-5276 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-5276. Primary manufacturer part number: FF-B-171.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Shape: STRAIGHT
  • Overall Outside Diameter: 215.00 MILLIMETERS NOMINAL MM
  • Surface Finish: GROUND
  • Internal Fit-Up Designation: STANDARD
  • Material: PLASTIC PHENOLIC RETAINER
  • Material: STEEL INNER RING
  • Material: STEEL BALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Phenolic Retainer construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-5276, 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 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-5276
Primary Part NumberFF-B-171
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Bore ShapeSTRAIGHT
Overall Outside Diameter215.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
MaterialPLASTIC PHENOLIC RETAINER
MaterialSTEEL INNER RING
MaterialSTEEL BALL
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
MaterialSTEEL INNER RING
Internal Fit-Up DesignationSTANDARD
Standard Tolerance DesignationABEC NO.1
Standard Tolerance DesignationABEC NO.1
Bore Diameter120.00 MILLIMETERS NOMINAL MM
MaterialSTEEL OUTER RING
Load DirectionRADIAL
Retainer Fabrication MethodMACHINED
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-155-6677306SFFC INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3110-00-156-48485306F-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
5950-00-645-3492M224 INTERCHANGEABLE
Coil,electrical
Telemechanics Inc
4820-00-838-5729M224 INTERCHANGEABLE
Valve,check
Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
5331-01-004-0322 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
FF-B-171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
2037054 General Motors Corp (USA)
224R Equitable Bearing Co Inc (USA)
120BH02 Timken Aerospace, Inc Dba Torrington Product (USA)
120BH02 Timken Co Div the Timken Company (USA)
FF-B-171/21T24A2C Federal Specifications Promulgated by General Services Administration Washington DC (USA)
M224 Timken Aerospace, Inc Dba Torrington Product (USA)
3247028-19 Naval Ship Systems Command (USA)
JPD265P Cmh Hele-Shaw Inc Sub of Cunningham Marine Hydraulics Co Inc (USA)
224RN010FIT Skf Usa Inc. (USA)
224R Skf Usa Inc. (USA)
Related Parts
3110-00-155-6677INTERCHANGEABLE
BEARING,BALL,ANNULAR
306SFFC
3110-00-156-4848INTERCHANGEABLE
BEARING,BALL,ANNULAR
5306F-1B1
5950-00-645-3492INTERCHANGEABLE
COIL,ELECTRICAL
M224
4820-00-838-5729INTERCHANGEABLE
VALVE,CHECK
M224
5331-01-004-0322INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 3110-00-156-5276?

NSN 3110-00-156-5276 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 3110-00-156-5276?

NSN 3110-00-156-5276 has 11 cross-referenced part numbers: FF-B-171 (Federal Specifications Promulgated by General Services Administration Washington DC), 2037054 (General Motors Corp), 224R (Equitable Bearing Co Inc), 120BH02 (Timken Aerospace, Inc Dba Torrington Product), 120BH02 (Timken Co Div the Timken Company) and 6 more.

What NSN replaces 3110-00-156-5276?

There are 5 known substitutes for 3110-00-156-5276: 3110-00-155-6677, 3110-00-156-4848, 5950-00-645-3492 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-B-171?

Key specifications for FF-B-171: Bore Shape: STRAIGHT; Overall Outside Diameter: 215.00 MILLIMETERS NOMINAL MM; Surface Finish: GROUND; Internal Fit-Up Designation: STANDARD. 20 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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