PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M81793/08-HB2J2N1A1Bearing,ball,annular

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3110-00-180-6785 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-180-6785 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-180-6785. Primary manufacturer part number: M81793/08-HB2J2N1A1.
Features
  • Bearing,ball,annular — FSC 3110
  • Bearing Seal Type: CONTACT
  • Lubrication Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
  • Bore Shape: STRAIGHT
  • Load Direction: RADIAL
  • Bearing Seal Type: CONTACT
  • Load Direction: RADIAL
  • Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Retainer construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-180-6785, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-180-6785
Primary Part NumberM81793/08-HB2J2N1A1
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Bearing Seal TypeCONTACT
Lubrication Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Bearing Seal TypeCONTACT
Load DirectionRADIAL
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Flange Outside Diameter0.4220 INCHES NOMINAL IN
Flange Width0.0310 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Lubrication Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
Lubrication MaterialOIL
Outer Ring Outside Diameter0.3750 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.7
Surface FinishGROUND
Seal Quantity2
Retainer Fabrication MethodPRESSED
MaterialSTEEL CORROSION RESISTING RETAINER
MaterialSTEEL BALL
MaterialSTEEL CORROSION RESISTING INNER RING
MaterialSTEEL CORROSION RESISTING INNER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialRUBBER SYNTHETIC SEAL
Bore Diameter0.1875 INCHES NOMINAL IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL CORROSION RESISTING OUTER RING
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Standard Tolerance DesignationABEC NO.7
Lubrication MaterialOIL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3110-00-066-1620 INTERCHANGEABLE
Bearing,ball,annular
3110-00-097-9610 INTERCHANGEABLE
Bearing,ball,annular
3110-00-585-9421 INTERCHANGEABLE
Bearing,ball,annular
3110-00-806-4946 INTERCHANGEABLE
Bearing,ball,annular
3110-01-448-7078 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
M81793/08-HB2J2N1A1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-B-81793/08 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M81793-DHGHAX1SEE71AB1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
S6632FCZZ7P25L01 Mpb Corp Div Timken Super Precision (USA)
M81793-DHGIAN21EC71AB1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
43P09226A002 Motorola Inc. Dba Integrated Information Systems Group (USA)
43P09226A002 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
Related Parts
3110-00-066-1620INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-097-9610INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-585-9421INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-806-4946INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-448-7078INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-00-180-6785?

NSN 3110-00-180-6785 is a Bearing,ball,annular, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-180-6785?

NSN 3110-00-180-6785 has 7 cross-referenced part numbers: M81793/08-HB2J2N1A1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-B-81793/08 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M81793-DHGHAX1SEE71AB1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), S6632FCZZ7P25L01 (Mpb Corp Div Timken Super Precision), M81793-DHGIAN21EC71AB1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 3110-00-180-6785?

There are 5 known substitutes for 3110-00-180-6785: 3110-00-066-1620, 3110-00-097-9610, 3110-00-585-9421 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M81793/08-HB2J2N1A1?

Key specifications for M81793/08-HB2J2N1A1: Bearing Seal Type: CONTACT; Lubrication Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE; Bore Shape: STRAIGHT; Load Direction: RADIAL. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-180-6785 still in active supply?

NSN 3110-00-180-6785 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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