PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4K7Bearing,ball,annular

Yale Security Inc. Dba Norton Door Control · NSN 3110-00-155-6690 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6690 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6690. Primary manufacturer part number: 4K7.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 80.00 MILLIMETERS NOMINAL MM
  • Shield Quantity: 2
  • Bore Shape: STRAIGHT
  • Surface Finish: GROUND
  • Load Direction: RADIAL
  • Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
  • Standard Tolerance Designation: ABEC NO.1
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Shield construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6690, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Yale Security Inc. Dba Norton Door Control. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-155-6690
Primary Part Number4K7
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerYale Security Inc. Dba Norton Door Control
StatusCANCELLED
Overall Outside Diameter80.00 MILLIMETERS NOMINAL MM
Shield Quantity2
Bore ShapeSTRAIGHT
Surface FinishGROUND
Load DirectionRADIAL
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Standard Tolerance DesignationABEC NO.1
Lubrication MaterialGREASE
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL SHIELD
MaterialSTEEL OUTER RING
MaterialSTEEL INNER RING
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL BALL
Bore Diameter35.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3110-00-157-1915307MFG1 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5935-00-914-2468 INTERCHANGEABLE
Adapter,connector
5955-01-052-5439 INTERCHANGEABLE
Oscillator,crystal Controlled
Cross-Reference Index
Part NumberManufacturer
307WDDFS381A Timken Co Div the Timken Company (USA)
4K7 PRIMARY Yale Security Inc. Dba Norton Door Control (USA)
307MFF Skf Usa Inc. (USA)
P41086 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
MT307PP PRIMARY Fag Bearings Corporation (USA)
77307 General Motors Corp Delco Moraine Ndh Div (USA)
6307ZZMAX PRIMARY Naval Ship Systems Command (USA)
77307 General Motors Corp (USA)
504K311 Yale Security Inc. Dba Norton Door Control (USA)
307MFF W S Darley & Co (USA)
957846 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
504K311 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
1307SS PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
1307MFF Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
PA41086 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
4K7 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
700655 Army Weapons Command Attn Amswe-Ree-S (USA)
307WDDFS104 Timken Co Div the Timken Company (USA)
BUS205 PRIMARY Otis Elevator Co Sub of United Technologies Corp (USA)
307WDDN Timken Co Div the Timken Company (USA)
Related Parts
3110-00-157-1915INTERCHANGEABLE
BEARING,BALL,ANNULAR
307MFG1
5935-00-914-2468INTERCHANGEABLE
ADAPTER,CONNECTOR
5955-01-052-5439INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED

Frequently Asked Questions

What is NSN 3110-00-155-6690?

NSN 3110-00-155-6690 is a Bearing,ball,annular, manufactured by Yale Security Inc. Dba Norton Door Control, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-155-6690?

NSN 3110-00-155-6690 has 21 cross-referenced part numbers: 307WDDFS381A (Timken Co Div the Timken Company), 4K7 (Yale Security Inc. Dba Norton Door Control), 307MFF (Skf Usa Inc.), P41086 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), MT307PP (Fag Bearings Corporation) and 16 more.

What NSN replaces 3110-00-155-6690?

There are 3 known substitutes for 3110-00-155-6690: 3110-00-157-1915, 5935-00-914-2468, 5955-01-052-5439. Verify interchangeability with system specifications before substitution.

What are the specifications of 4K7?

Key specifications for 4K7: Overall Outside Diameter: 80.00 MILLIMETERS NOMINAL MM; Shield Quantity: 2; Bore Shape: STRAIGHT; Surface Finish: GROUND. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-155-6690 still in active supply?

NSN 3110-00-155-6690 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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