PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SR166SS3G6Bearing,ball,annular

Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation · NSN 3110-01-040-1698 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-040-1698 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-040-1698. Primary manufacturer part number: SR166SS3G6.
Features
  • Bearing,ball,annular — FSC 3110
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MINIMUM RADIAL IN
  • Lubrication Material: GREASE
  • Shield Quantity: 2
  • Surface Finish: GROUND
  • Retainer Fabrication Method: PRESSED
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-040-1698, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. Government technical data includes 13 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-040-1698
Primary Part NumberSR166SS3G6
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
StatusACTIVE
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MINIMUM RADIAL IN
Lubrication MaterialGREASE
Shield Quantity2
Surface FinishGROUND
Retainer Fabrication MethodPRESSED
Bore ShapeSTRAIGHT
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL CORROSION RESISTING OVERALL
Standard Tolerance DesignationABEC NO. 7P
Bore Diameter0.1875 INCHES NOMINAL IN
Overall Outside Diameter0.3750 INCHES NOMINAL IN
Load DirectionRADIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5365-01-035-5857B12-7 INTERCHANGEABLE
Spacer,shaft
Roller Bearing Co of America, Inc Div Pic Design
2940-01-066-946311-3748 INTERCHANGEABLE
Filter Element,fluid
Thermo King Corporation Dba Phoenix Global Distirbution.
6850-01-225-801502-00630AG04 INTERCHANGEABLE
Desiccant,activated
Multisorb Technologies, Inc.
4320-01-227-1097B127 INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
3530-01-280-4264C290-AC419 INTERCHANGEABLE
Bobbin,sewing Machine
Consolidated Sewing Machine Corp
Cross-Reference Index
Part NumberManufacturer
SR166SS3G6 Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
B1-27 W. M. Berg, Inc. (USA)
10107441 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
5365-01-035-5857INTERCHANGEABLE
SPACER,SHAFT
B12-7
2940-01-066-9463INTERCHANGEABLE
FILTER ELEMENT,FLUID
11-3748
6850-01-225-8015INTERCHANGEABLE
DESICCANT,ACTIVATED
02-00630AG04
4320-01-227-1097INTERCHANGEABLE
RING,WEARING
B127
3530-01-280-4264INTERCHANGEABLE
BOBBIN,SEWING MACHINE
C290-AC419

Frequently Asked Questions

What is NSN 3110-01-040-1698?

NSN 3110-01-040-1698 is a Bearing,ball,annular, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-040-1698?

NSN 3110-01-040-1698 has 3 cross-referenced part numbers: SR166SS3G6 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), B1-27 (W. M. Berg, Inc.), 10107441 (Nimikkeistokeskus Ncb Finland).

What NSN replaces 3110-01-040-1698?

There are 5 known substitutes for 3110-01-040-1698: 5365-01-035-5857, 2940-01-066-9463, 6850-01-225-8015 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SR166SS3G6?

Key specifications for SR166SS3G6: Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MINIMUM RADIAL IN; Lubrication Material: GREASE; Shield Quantity: 2. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com