PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

218SGBearing,ball,annular

Skf Usa Inc. · NSN 3110-00-155-6340 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6340 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6340. Primary manufacturer part number: 218SG.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Internal Fit-Up Designation: STANDARD
  • Material: STEEL OUTER RING
  • Material: STEEL BALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL INNER RING
  • Standard Tolerance Designation: ABEC NO.1
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6340, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 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
NSN3110-00-155-6340
Primary Part Number218SG
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL OUTER RING
MaterialSTEEL BALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL INNER RING
Standard Tolerance DesignationABEC NO.1
Bore ShapeSTRAIGHT
Bore Diameter90.00 MILLIMETERS NOMINAL MM
Features ProvidedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
Load DirectionRADIAL
Overall Outside Diameter160.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-108-108320245-21 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Raytheon Company Dba Raytheon
1650-00-129-91138150-1 INTERCHANGEABLE
Bushing,cylinder As
Goodrich Aerospace Canada Ltd
4920-00-475-8163 INTERCHANGEABLE
Valve Assembly,push
Cross-Reference Index
Part NumberManufacturer
218SG PRIMARY Skf Usa Inc. (USA)
P34237 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
218G Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. (USA)
218KG Timken Co Div the Timken Company (USA)
218G PRIMARY Mcgill Manufacturing Co, Inc (USA)
81501 Eaton Corp Transmission Div (USA)
P34237 Koehring Co Lorain Div (USA)
6218NRCE1TX9 PRIMARY Nsk Corp Bearing Div (USA)
Related Parts
5905-00-108-1083INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
20245-21
1650-00-129-9113INTERCHANGEABLE
BUSHING,CYLINDER AS
8150-1
4920-00-475-8163INTERCHANGEABLE
VALVE ASSEMBLY,PUSH

Frequently Asked Questions

What is NSN 3110-00-155-6340?

NSN 3110-00-155-6340 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 3110-00-155-6340?

NSN 3110-00-155-6340 has 8 cross-referenced part numbers: 218SG (Skf Usa Inc.), P34237 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), 218G (Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging.), 218KG (Timken Co Div the Timken Company), 218G (Mcgill Manufacturing Co, Inc) and 3 more.

What NSN replaces 3110-00-155-6340?

There are 3 known substitutes for 3110-00-155-6340: 5905-00-108-1083, 1650-00-129-9113, 4920-00-475-8163. Verify interchangeability with system specifications before substitution.

What are the specifications of 218SG?

Key specifications for 218SG: Surface Finish: GROUND; Internal Fit-Up Designation: STANDARD; Material: STEEL OUTER RING; Material: STEEL BALL. 13 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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