PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS4378Bearing,ball,annular

Schatz Bearing Corporation Dba Schatz Bearing Corp · NSN 3110-00-554-6117 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-554-6117 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-554-6117. Primary manufacturer part number: CS4378.
Features
  • Bearing,ball,annular — FSC 3110
  • Seal Quantity: 1
  • Internal Fit-Up Designation: STANDARD
  • Retainer Fabrication Method: PRESSED
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL OVERALL
  • Outer Ring Width: 0.5000 INCHES NOMINAL IN
  • Overall Outside Diameter: 35.00 MILLIMETERS NOMINAL MM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-554-6117, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Schatz Bearing Corporation Dba Schatz Bearing Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 37 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-554-6117
Primary Part NumberCS4378
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchatz Bearing Corporation Dba Schatz Bearing Corp
StatusCANCELLED
Seal Quantity1
Internal Fit-Up DesignationSTANDARD
Retainer Fabrication MethodPRESSED
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Outer Ring Width0.5000 INCHES NOMINAL IN
Overall Outside Diameter35.00 MILLIMETERS NOMINAL MM
Bore ShapeSTRAIGHT
Bearing Seal TypeLABYRINTH
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.1
Load DirectionRADIAL
Inner Ring Width0.4800 INCHES NOMINAL IN
Bore Diameter15.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6740-00-030-9440101020 INTERCHANGEABLE
Roller
Hf Group Inc Dba Hf Group Inc
5985-00-072-164010185994 INTERCHANGEABLE
Line Section,radio Frequency Tra
Us Army Aviation and Missile Command
3110-00-109-1179 INTERCHANGEABLE
Bearing,ball,annular
5920-00-223-2405 INTERCHANGEABLE
Fuse Link,electrical
5120-00-224-269731-057 INTERCHANGEABLE
Tape,fish
Ideal Industries, Inc.
6685-00-247-374331025 INTERCHANGEABLE
Thermometer,self-Indicating
Weksler Glass Thermometer Corp
5330-00-431-7915A7502 INTERCHANGEABLE
Packing,preformed
Grimes Aerospace Company
5895-00-531-5444 INTERCHANGEABLE
Decoder Module Suba
3110-00-555-5210 INTERCHANGEABLE
Bearing,ball,annular
3020-00-624-0076153884 INTERCHANGEABLE
Gear,drive Motion
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
CWC8502 General Motors Corp (USA)
954229 General Motors Corp (USA)
202FS5ABEC1 Skf Usa Inc. (USA)
066-15 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
7015TF Fag Bearings Corporation (USA)
FLB15 Ilg Industries Inc (USA)
8916-11 Arma Div Ambac Industries Inc
WC8502X1 General Motors Corp Delco Moraine Ndh Div (USA)
WC8502CE1TX9 Nsk Corp Bearing Div (USA)
273829-139 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
FLB15 Brucar Process Systems Inc (USA)
A750-2 Hyster-Yale Group, Inc. (USA)
293501-6 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
416821-3-FP Reliance Electric Company Dba Reliance & Dodge Brands (USA)
202KT Timken Co Div the Timken Company (USA)
310-25 Hamilton Sundstrand Corporation (USA)
CS4378 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
FLB15 Skf Usa Inc. (USA)
101020 Cooper Cameron Corp Ajax-Superior Div (USA)
WC8502X1 General Motors Corp (USA)
Related Parts
6740-00-030-9440INTERCHANGEABLE
ROLLER
101020
5985-00-072-1640INTERCHANGEABLE
LINE SECTION,RADIO FREQUENCY TRA
10185994
3110-00-109-1179INTERCHANGEABLE
BEARING,BALL,ANNULAR
5920-00-223-2405INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5120-00-224-2697INTERCHANGEABLE
TAPE,FISH
31-057
6685-00-247-3743INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
31025
5330-00-431-7915INTERCHANGEABLE
PACKING,PREFORMED
A7502
5895-00-531-5444INTERCHANGEABLE
DECODER MODULE SUBA
3110-00-555-5210INTERCHANGEABLE
BEARING,BALL,ANNULAR
3020-00-624-0076INTERCHANGEABLE
GEAR,DRIVE MOTION
153884
5935-00-670-3780INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
31025
5977-00-710-2044INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
925652

Frequently Asked Questions

What is NSN 3110-00-554-6117?

NSN 3110-00-554-6117 is a Bearing,ball,annular, manufactured by Schatz Bearing Corporation Dba Schatz Bearing Corp, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-554-6117?

NSN 3110-00-554-6117 has 37 cross-referenced part numbers: CWC8502 (General Motors Corp), 954229 (General Motors Corp), 202FS5ABEC1 (Skf Usa Inc.), 066-15 (Lockheed Martin Corporation Div Rms - Mitchel Field), 7015TF (Fag Bearings Corporation) and 32 more.

What NSN replaces 3110-00-554-6117?

There are 12 known substitutes for 3110-00-554-6117: 6740-00-030-9440, 5985-00-072-1640, 3110-00-109-1179 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CS4378?

Key specifications for CS4378: Seal Quantity: 1; Internal Fit-Up Designation: STANDARD; Retainer Fabrication Method: PRESSED; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-554-6117 still in active supply?

NSN 3110-00-554-6117 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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