PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RLS16Bearing,ball,annular

Skf Usa Inc. · NSN 3110-00-155-8939 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-8939 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-8939. Primary manufacturer part number: RLS16.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 4.0000 INCHES NOMINAL IN
  • Material: STEEL INNER RING
  • Material: STEEL OUTER RING
  • Material: STEEL BALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Standard Tolerance Designation: ABEC NO.1
  • 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 3110-00-155-8939, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-155-8939
Primary Part NumberRLS16
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Overall Outside Diameter4.0000 INCHES NOMINAL IN
MaterialSTEEL INNER RING
MaterialSTEEL OUTER RING
MaterialSTEEL BALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Standard Tolerance DesignationABEC NO.1
Bore ShapeSTRAIGHT
Internal Fit-Up DesignationSTANDARD
Bore Diameter2.0000 INCHES NOMINAL IN
Surface FinishGROUND
Load DirectionRADIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3439-00-260-77192800-0130 INTERCHANGEABLE
Soldering Kit
Automated Production Equipment Corp.
2920-00-450-949631-103 INTERCHANGEABLE
Switch,engine Starter,electrical
Pollak Joseph Corp
Cross-Reference Index
Part NumberManufacturer
RLS16 PRIMARY Skf Usa Inc. (USA)
LS15 Equitable Bearing Co Inc (USA)
136539-12 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
LS15 PRIMARY Fag Bearings Corporation (USA)
LS15 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
LJ2 PRIMARY Nsk Uk Ltd (GBR)
Related Parts
3439-00-260-7719INTERCHANGEABLE
SOLDERING KIT
2800-0130
2920-00-450-9496INTERCHANGEABLE
SWITCH,ENGINE STARTER,ELECTRICAL
31-103

Frequently Asked Questions

What is NSN 3110-00-155-8939?

NSN 3110-00-155-8939 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 3110-00-155-8939?

NSN 3110-00-155-8939 has 6 cross-referenced part numbers: RLS16 (Skf Usa Inc.), LS15 (Equitable Bearing Co Inc), 136539-12 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), LS15 (Fag Bearings Corporation), LS15 (Schatz Bearing Corporation Dba Schatz Bearing Corp) and 1 more.

What NSN replaces 3110-00-155-8939?

There are 2 known substitutes for 3110-00-155-8939: 3439-00-260-7719, 2920-00-450-9496. Verify interchangeability with system specifications before substitution.

What are the specifications of RLS16?

Key specifications for RLS16: Overall Outside Diameter: 4.0000 INCHES NOMINAL IN; Material: STEEL INNER RING; Material: STEEL OUTER RING; Material: STEEL BALL. 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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