PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25816R91Bearing,ball,annular

Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ · NSN 3110-00-156-4886 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-4886 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-4886. Primary manufacturer part number: 25816R91.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 50.00 MILLIMETERS NOMINAL MM
  • Load Direction: ANGULAR
  • Load Direction: ANGULAR
  • Material: STEEL OVERALL
  • Material: STEEL OVERALL
  • Departure From Cited Designator: AS MODIFIED BY SHIELD QUANTITY
  • Style Designator: LOADING GROOVE, NON-SEPARABLE
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 3110-00-156-4886, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-4886
Primary Part Number25816R91
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNavistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
StatusACTIVE
Bore Diameter50.00 MILLIMETERS NOMINAL MM
Load DirectionANGULAR
Load DirectionANGULAR
MaterialSTEEL OVERALL
MaterialSTEEL OVERALL
Departure From Cited DesignatorAS MODIFIED BY SHIELD QUANTITY
Style DesignatorLOADING GROOVE, NON-SEPARABLE
Nondefinitive Spec/std Data145 TYPE AND 00 GRADE
Internal Fit-Up Contact Angular DirectionINWARD CONVERGENT
Departure From Cited DesignatorAS MODIFIED BY SHIELD QUANTITY
Nondefinitive Spec/std Data145 TYPE AND 00 GRADE
Style DesignatorLOADING GROOVE, NON-SEPARABLE
Shield Quantity1
Overall Outside Diameter90.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Internal Fit-Up Contact Angular DirectionINWARD CONVERGENT
Retainer Fabrication MethodPRESSED
Bore ShapeSTRAIGHT
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.1
Internal Fit-Up DesignationSTANDARD
Internal Fit-Up DesignationSTANDARD
Shield Quantity1
Standard Tolerance DesignationABEC NO.1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-156-47335210F INTERCHANGEABLE
Bearing,ball,annular
Mcgill Manufacturing Co, Inc
3110-00-156-5315223233-2 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5510W General Motors Corp (USA)
25816R91 PRIMARY Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
258516R91 Navistar International Corporation Dba Navistar (USA)
5210F PRIMARY Skf Usa Inc. (USA)
5210KF PRIMARY Skf Usa Inc. (USA)
5510W General Motors Corp Delco Moraine Ndh Div (USA)
Related Parts
3110-00-156-4733INTERCHANGEABLE
BEARING,BALL,ANNULAR
5210F
3110-00-156-5315INTERCHANGEABLE
BEARING,BALL,ANNULAR
223233-2

Frequently Asked Questions

What is NSN 3110-00-156-4886?

NSN 3110-00-156-4886 is a Bearing,ball,annular, manufactured by Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-4886?

NSN 3110-00-156-4886 has 7 cross-referenced part numbers: FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC), 5510W (General Motors Corp), 25816R91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 258516R91 (Navistar International Corporation Dba Navistar), 5210F (Skf Usa Inc.) and 2 more.

What NSN replaces 3110-00-156-4886?

There are 2 known substitutes for 3110-00-156-4886: 3110-00-156-4733, 3110-00-156-5315. Verify interchangeability with system specifications before substitution.

What are the specifications of 25816R91?

Key specifications for 25816R91: Bore Diameter: 50.00 MILLIMETERS NOMINAL MM; Load Direction: ANGULAR; Load Direction: ANGULAR; Material: STEEL OVERALL. 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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