PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7420XBearing,ball,annular

Skf Usa Inc. · NSN 3110-00-156-8251 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-8251 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-8251. Primary manufacturer part number: 7420X.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL BALL
  • Material: STEEL INNER RING
  • Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
  • Material: STEEL OUTER RING
  • Standard Tolerance Designation: ABEC NO.1
  • Surface Finish: GROUND
  • Contact Angle: 25.0 DEGREES MINIMUM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-8251, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN3110-00-156-8251
Primary Part Number7420X
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
MaterialSTEEL BALL
MaterialSTEEL INNER RING
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
MaterialSTEEL OUTER RING
Standard Tolerance DesignationABEC NO.1
Surface FinishGROUND
Contact Angle25.0 DEGREES MINIMUM
Overall Outside Diameter250.00 MILLIMETERS NOMINAL MM
Bore Diameter100.00 MILLIMETERS NOMINAL MM
Load DirectionANGULAR
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4510-00-105-14357361-7461 INTERCHANGEABLE
Fountain,eye and Face Wash,emerg
Haws Co Inc Dba Western Emergency Equipment
5815-00-126-818274208 INTERCHANGEABLE
Bar
Telemechanics Inc
6625-00-243-06078197300 INTERCHANGEABLE
Meter,electrical Frequency
Us Army Aviation and Missile Command
5935-00-257-74337420 INTERCHANGEABLE
Cover,electrical Connector
Hubbell Corp
5999-00-321-4842 INTERCHANGEABLE
Contact,electrical
5962-00-348-2715 INTERCHANGEABLE
Microcircuit,digital
6625-00-351-5937 INTERCHANGEABLE
Meter,electrical Frequency
2530-00-495-79103219D1460 INTERCHANGEABLE
Brake Drum
Meritor Heavy Vehicle Systems, Llc
5975-00-840-584430529 INTERCHANGEABLE
Cover,conduit Outlet
Mulberry Metal Products Inc
3030-00-909-62167420 INTERCHANGEABLE
Belt,v
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
7420X PRIMARY Skf Usa Inc. (USA)
7420 Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. (USA)
7420 PRIMARY Mcgill Manufacturing Co, Inc (USA)
Related Parts
4510-00-105-1435INTERCHANGEABLE
FOUNTAIN,EYE AND FACE WASH,EMERG
7361-7461
5815-00-126-8182INTERCHANGEABLE
BAR
74208
6625-00-243-0607INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
8197300
5935-00-257-7433INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
7420
5999-00-321-4842INTERCHANGEABLE
CONTACT,ELECTRICAL
5962-00-348-2715INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6625-00-351-5937INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
2530-00-495-7910INTERCHANGEABLE
BRAKE DRUM
3219D1460
5975-00-840-5844INTERCHANGEABLE
COVER,CONDUIT OUTLET
30529
3030-00-909-6216INTERCHANGEABLE
BELT,V
7420
4820-00-960-2741INTERCHANGEABLE
VALVE,SAFETY RELIEF
7420-175PSI
5330-00-972-7154INTERCHANGEABLE
SEAL KIT,DIESEL ENGINE

Frequently Asked Questions

What is NSN 3110-00-156-8251?

NSN 3110-00-156-8251 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-8251?

NSN 3110-00-156-8251 has 3 cross-referenced part numbers: 7420X (Skf Usa Inc.), 7420 (Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging.), 7420 (Mcgill Manufacturing Co, Inc).

What NSN replaces 3110-00-156-8251?

There are 12 known substitutes for 3110-00-156-8251: 4510-00-105-1435, 5815-00-126-8182, 6625-00-243-0607 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7420X?

Key specifications for 7420X: Material: STEEL BALL; Material: STEEL INNER RING; Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE; Material: STEEL OUTER RING. 12 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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