PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K4KBearing,ball,annular

Bay City Shovels, Inc · NSN 3110-00-155-6738 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6738 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6738. Primary manufacturer part number: K4K.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL INNER RING
  • Shield Quantity: 2
  • Surface Finish: GROUND
  • Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
  • Standard Tolerance Designation: ABEC NO.1
  • Lubrication Material: GREASE
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Inner Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6738, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bay City Shovels, Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 32 commercial cross-references from 19 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-155-6738
Primary Part NumberK4K
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerBay City Shovels, Inc
StatusACTIVE
MaterialSTEEL INNER RING
Shield Quantity2
Surface FinishGROUND
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Standard Tolerance DesignationABEC NO.1
Lubrication MaterialGREASE
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL OUTER RING
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL BALL
MaterialSTEEL SHIELD
Bore Diameter50.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter90.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-155-6259 INTERCHANGEABLE
Bearing,ball,annular
3120-00-707-7797204-010-776-1 INTERCHANGEABLE
Bearing,plain,rod End
Bell Textron Inc
4820-00-779-3610N4283395 INTERCHANGEABLE
Diaphragm,valve,flat
Leslie Controls, Inc. Dba Leslie Controls Inc
5955-01-052-5423 INTERCHANGEABLE
Oscillator,crystal Controlled
5935-01-163-9109B6M INTERCHANGEABLE
Connector,receptacle,electrical
Switchcraft Inc.
5305-01-533-526212759-00324 INTERCHANGEABLE
Screw,cap,hexagon Head
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
K4K Bay City Shovels, Inc (USA)
B10LM0D30-1718 Bay City Shovels, Inc (USA)
700639 Army Weapons Command Attn Amswe-Ree-S (USA)
2X145 Steego Corp (USA)
42833 Allis-Chalmers Corp (USA)
77210 General Motors Corp Delco Moraine Ndh Div (USA)
B25Z Bay City Shovels, Inc (USA)
AA59587-110XDBE Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B143X Bay City Shovels, Inc (USA)
6210ZZMAX Naval Ship Systems Command (USA)
77210 Manitowoc Engineering Co Division of the Manitowoc Co Inc (USA)
B6M Bay City Shovels, Inc (USA)
B47Z Bay City Shovels, Inc (USA)
MT210PP Fag Bearings Corporation (USA)
210MFF Skf Usa Inc. (USA)
K83P Bay City Shovels, Inc (USA)
AA59587 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B69X Bay City Shovels, Inc (USA)
FF-B-171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1210MFF Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
Related Parts
3110-00-155-6259INTERCHANGEABLE
BEARING,BALL,ANNULAR
3120-00-707-7797INTERCHANGEABLE
BEARING,PLAIN,ROD END
204-010-776-1
4820-00-779-3610INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
N4283395
5955-01-052-5423INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
5935-01-163-9109INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
B6M
5305-01-533-5262INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12759-00324

Frequently Asked Questions

What is NSN 3110-00-155-6738?

NSN 3110-00-155-6738 is a Bearing,ball,annular, manufactured by Bay City Shovels, Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-155-6738?

NSN 3110-00-155-6738 has 32 cross-referenced part numbers: K4K (Bay City Shovels, Inc), B10LM0D30-1718 (Bay City Shovels, Inc), 700639 (Army Weapons Command Attn Amswe-Ree-S), 2X145 (Steego Corp), 42833 (Allis-Chalmers Corp) and 27 more.

What NSN replaces 3110-00-155-6738?

There are 6 known substitutes for 3110-00-155-6738: 3110-00-155-6259, 3120-00-707-7797, 4820-00-779-3610 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K4K?

Key specifications for K4K: Material: STEEL INNER RING; Overall Width: 20.0 MILLIMETERS NOMINAL MM; Shield Quantity: 2; Surface Finish: GROUND. 16 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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