PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S3RTFB3Bearing,ball,annular

Fag Bearings Corporation · NSN 3110-00-155-8407 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-8407 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-8407. Primary manufacturer part number: S3RTFB3.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 0.8750 INCHES NOMINAL IN
  • Material: STEEL INNER RING
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL BALL
  • Material: STEEL OUTER RING
  • Surface Finish: GROUND
  • Standard Tolerance Designation: ABEC NO.3
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 3110-00-155-8407, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Fag Bearings Corporation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-155-8407
Primary Part NumberS3RTFB3
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFag Bearings Corporation
StatusACTIVE
Overall Outside Diameter0.8750 INCHES NOMINAL IN
MaterialSTEEL INNER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL BALL
MaterialSTEEL OUTER RING
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.3
Load DirectionRADIAL
Bore Diameter0.3750 INCHES NOMINAL IN
Internal Fit-Up DesignationSTANDARD
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6130-00-126-1133 INTERCHANGEABLE
Power Supply
3110-00-155-9644MS3 INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
5305-00-410-0688MS-3 INTERCHANGEABLE
Screw,shoulder
Reid Supply Company
3110-00-554-5239 INTERCHANGEABLE
Bearing,ball,annular
5120-00-827-2967 INTERCHANGEABLE
Key,socket Head Screw
3426-01-005-4821ID-8 13001008 INTERCHANGEABLE
Anode,plating
Sifco Applied Surface Concepts, Llc
7021-01-020-2271MS3 INTERCHANGEABLE
Computer,digital
Newton Technology Group Plc
5935-01-063-4376MS-3 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Datel, Inc.
5935-01-103-3007MS-3 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Raytheon Company Dba Raytheon Co
5905-01-163-3909 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Cross-Reference Index
Part NumberManufacturer
R6XR3E General Motors Corp Delco Moraine Ndh Div (USA)
MS3 Timken Co Div the Timken Company (USA)
R6X3C General Motors Llc Dba General Motors Llc (USA)
R6X3 General Motors Corp (USA)
S3RTFB3 PRIMARY Fag Bearings Corporation (USA)
R6XR3E General Motors Llc Dba General Motors Llc (USA)
R6XR3E General Motors Corp (USA)
R6X3 General Motors Llc Dba General Motors Llc (USA)
102668-608 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
R6X3E General Motors Llc Dba General Motors Llc (USA)
R6X3 General Motors Corp Delco Moraine Ndh Div (USA)
MS3KFS144 Timken Co Div the Timken Company (USA)
R6X3C General Motors Corp Delco Moraine Ndh Div (USA)
R6X3E General Motors Corp (USA)
S3SS5A7 PRIMARY Skf Usa Inc. (USA)
R6X3C General Motors Corp (USA)
MS3K Timken Co Div the Timken Company (USA)
R6X3E General Motors Corp Delco Moraine Ndh Div (USA)
P9618505-6 General Electric Company (USA)
Related Parts
6130-00-126-1133INTERCHANGEABLE
POWER SUPPLY
3110-00-155-9644INTERCHANGEABLE
BEARING,BALL,ANNULAR
MS3
5305-00-410-0688INTERCHANGEABLE
SCREW,SHOULDER
MS-3
3110-00-554-5239INTERCHANGEABLE
BEARING,BALL,ANNULAR
5120-00-827-2967INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
3426-01-005-4821INTERCHANGEABLE
ANODE,PLATING
ID-8 13001008
7021-01-020-2271INTERCHANGEABLE
COMPUTER,DIGITAL
MS3
5935-01-063-4376INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
MS-3
5935-01-103-3007INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
MS-3
5905-01-163-3909INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
6685-01-224-9410INTERCHANGEABLE
BAROMETER,MERCURIAL
5905-01-247-6142INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT

Frequently Asked Questions

What is NSN 3110-00-155-8407?

NSN 3110-00-155-8407 is a Bearing,ball,annular, manufactured by Fag Bearings Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-155-8407?

NSN 3110-00-155-8407 has 19 cross-referenced part numbers: R6XR3E (General Motors Corp Delco Moraine Ndh Div), MS3 (Timken Co Div the Timken Company), R6X3C (General Motors Llc Dba General Motors Llc), R6X3 (General Motors Corp), S3RTFB3 (Fag Bearings Corporation) and 14 more.

What NSN replaces 3110-00-155-8407?

There are 12 known substitutes for 3110-00-155-8407: 6130-00-126-1133, 3110-00-155-9644, 5305-00-410-0688 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S3RTFB3?

Key specifications for S3RTFB3: Overall Outside Diameter: 0.8750 INCHES NOMINAL IN; Overall Width: 0.2188 INCHES NOMINAL IN; Material: STEEL INNER RING; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 12 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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