PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77025Bearing,ball,annular

Fag Bearings Corporation · NSN 3110-00-156-4241 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-4241 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-4241. Primary manufacturer part number: 77025.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: RUBBER SYNTHETIC SEAL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
  • Lubrication Material: GREASE
  • Bearing Seal Type: CONTACT
  • Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Rubber Synthetic Seal construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-4241, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Fag Bearings Corporation. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-4241
Primary Part Number77025
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFag Bearings Corporation
StatusACTIVE
MaterialRUBBER SYNTHETIC SEAL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Lubrication MaterialGREASE
Bearing Seal TypeCONTACT
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Bore ShapeSTRAIGHT
Retainer Fabrication MethodPRESSED
Surface FinishGROUND
Load DirectionRADIAL
Internal Fit-Up DesignationSTANDARD
Seal Quantity2
Standard Tolerance DesignationABEC NO.1
MaterialSTEEL RETAINER
MaterialSTEEL INNER RING
MaterialSTEEL INNER RING
MaterialSTEEL BALL
Nondefinitive Spec/std Data118 TYPE AND 00 GRADE AND 2 CLASS
Internal Fit-Up DesignationSTANDARD
Bore Diameter25.00 MILLIMETERS NOMINAL MM
Seal Quantity2
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OUTER RING
Nondefinitive Spec/std Data118 TYPE AND 00 GRADE AND 2 CLASS
Overall Outside Diameter52.00 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationABEC NO.1
Bearing Seal TypeCONTACT
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3020-00-412-6182SC-B-319811 INTERCHANGEABLE
Gear,drive Motion
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5962-01-081-3931 INTERCHANGEABLE
Microcircuit,digital
6150-01-148-167477025 INTERCHANGEABLE
Cable Assembly,power,electrical
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
77025 PRIMARY Fag Bearings Corporation (USA)
Related Parts
3020-00-412-6182INTERCHANGEABLE
GEAR,DRIVE MOTION
SC-B-319811
5962-01-081-3931INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6150-01-148-1674INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
77025

Frequently Asked Questions

What is NSN 3110-00-156-4241?

NSN 3110-00-156-4241 is a Bearing,ball,annular, manufactured by Fag Bearings Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-4241?

NSN 3110-00-156-4241 has 2 cross-referenced part numbers: FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC), 77025 (Fag Bearings Corporation).

What NSN replaces 3110-00-156-4241?

There are 3 known substitutes for 3110-00-156-4241: 3020-00-412-6182, 5962-01-081-3931, 6150-01-148-1674. Verify interchangeability with system specifications before substitution.

What are the specifications of 77025?

Key specifications for 77025: Material: RUBBER SYNTHETIC SEAL; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE; Lubrication Material: GREASE. 30 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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