PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-B-171/36J05D2XBearing,ball,annular

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 3110-00-156-5431 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-5431 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-5431. Primary manufacturer part number: FF-B-171/36J05D2X.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 25.00 MILLIMETERS NOMINAL MM
  • Material: STEEL OVERALL
  • Overall Outside Diameter: 52.00 MILLIMETERS NOMINAL MM
  • Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
  • Bore Shape: STRAIGHT
  • Internal Fit-Up Contact Angular Direction: OUTWARD CONVERGENT
  • Load Direction: ANGULAR
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 3110-00-156-5431, 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 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-5431
Primary Part NumberFF-B-171/36J05D2X
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Bore Diameter25.00 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Overall Outside Diameter52.00 MILLIMETERS NOMINAL MM
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Bore ShapeSTRAIGHT
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Load DirectionANGULAR
Retainer Fabrication MethodPRESSED
Shield Quantity2
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
Standard Tolerance DesignationABEC NO.1
Lubrication MaterialGREASE
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Load DirectionANGULAR
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Shield Quantity2
Lubrication MaterialGREASE
Style DesignatorLOADING GROOVE, NON-SEPARABLE
Internal Fit-Up DesignationSTANDARD
Bore ShapeSTRAIGHT
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Standard Tolerance DesignationABEC NO.1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-3547 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-5403 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7924 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7925 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7932314747-1 INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
3110-00-156-7942 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7971 INTERCHANGEABLE
Bearing,ball,annular
3110-00-158-8276 INTERCHANGEABLE
Bearing,ball,annular
3110-00-198-2865 INTERCHANGEABLE
Bearing,ball,annular
3110-00-227-2715 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
FF-B-171/36J05D2X Federal Specifications Promulgated by General Services Administration Washington DC (USA)
700943 Army Weapons Command Attn Amswe-Ree-S (USA)
FF-B-171B SUPP 1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
714194 Army Weapons Command Attn Amswe-Ree-S (USA)
A-A-59640 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FF-B-171/36 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5205FFM1SA2 Nsk Corp Bearing Div (USA)
AA59640-805JDBE Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
3110-00-156-3547INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-5403INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7924INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7925INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7932INTERCHANGEABLE
BEARING,BALL,ANNULAR
314747-1
3110-00-156-7942INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7971INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-158-8276INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-198-2865INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-227-2715INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-540-4582INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-554-6149INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-00-156-5431?

NSN 3110-00-156-5431 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 3110-00-156-5431?

NSN 3110-00-156-5431 has 8 cross-referenced part numbers: FF-B-171/36J05D2X (Federal Specifications Promulgated by General Services Administration Washington DC), 700943 (Army Weapons Command Attn Amswe-Ree-S), FF-B-171B SUPP 1 (Federal Specifications Promulgated by General Services Administration Washington DC), 714194 (Army Weapons Command Attn Amswe-Ree-S), A-A-59640 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 3110-00-156-5431?

There are 12 known substitutes for 3110-00-156-5431: 3110-00-156-3547, 3110-00-156-5403, 3110-00-156-7924 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-B-171/36J05D2X?

Key specifications for FF-B-171/36J05D2X: Bore Diameter: 25.00 MILLIMETERS NOMINAL MM; Material: STEEL OVERALL; Overall Outside Diameter: 52.00 MILLIMETERS NOMINAL MM; Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE. 25 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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