PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

I70551Bearing,ball,annular

Skf Usa Inc. · NSN 3110-00-155-8984 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-8984 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-8984. Primary manufacturer part number: I70551.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Shape: STRAIGHT
  • Departure From Cited Designator: AS MODIFIED BY OVERALL OUTSIDE DIAMETER
  • Surface Finish: GROUND
  • Internal Fit-Up Designation: STANDARD
  • Overall Outside Diameter: 6.0000 INCHES NOMINAL IN
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
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 3110-00-155-8984, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-155-8984
Primary Part NumberI70551
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Bore ShapeSTRAIGHT
Departure From Cited DesignatorAS MODIFIED BY OVERALL OUTSIDE DIAMETER
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
Overall Outside Diameter6.0000 INCHES NOMINAL IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Nondefinitive Spec/std Data115 TYPE AND 00 GRADE
Departure From Cited DesignatorAS MODIFIED BY OVERALL OUTSIDE DIAMETER
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data115 TYPE AND 00 GRADE
Load DirectionRADIAL
Load DirectionRADIAL
Internal Fit-Up DesignationSTANDARD
Standard Tolerance DesignationABEC NO.1
Standard Tolerance DesignationABEC NO.1
MaterialSTEEL OVERALL
Bore ShapeSTRAIGHT
Bore Diameter4.2500 INCHES NOMINAL IN
Retainer Fabrication MethodPRESSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5310-00-010-3326103326 INTERCHANGEABLE
Washer,lock
Chrysler Realty Company Llc Dba Daimler Chrysler
2840-00-076-4208701092 INTERCHANGEABLE
Rotor,compressor,aircraft Gas Tu
Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines
5315-00-099-7566701092 INTERCHANGEABLE
Pin,straight,headless
Dresser, Llc
3110-00-155-8931 INTERCHANGEABLE
Bearing,ball,annular
3110-00-155-8988 INTERCHANGEABLE
Bearing,ball,annular
3110-00-155-8991 INTERCHANGEABLE
Bearing,ball,annular
3110-00-159-9061 INTERCHANGEABLE
Bearing,ball,annular
3110-00-640-8953 INTERCHANGEABLE
Bearing,ball,annular
5340-01-086-8206L3-4 INTERCHANGEABLE
Clamp,synchro
Roller Bearing Co of America, Inc Div Pic Design
5930-01-276-888280-1092 INTERCHANGEABLE
Switch,push
Fabwright Inc
Cross-Reference Index
Part NumberManufacturer
I70551 Skf Usa Inc. (USA)
205885-9 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
XLS4 1-4 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
A-A-59646 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
XNHXLS4-25 Blue Tee Corp. Dba Gefco (USA)
AA59646-24ACB Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
177039-24 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
L34 Timken Aerospace, Inc Dba Torrington Product (USA)
701092 Army Weapons Command Attn Amswe-Ree-S (USA)
XLS4-1-4 Federal-Mogul Corp Government Sales Dept (USA)
68BIC00 Timken Aerospace, Inc Dba Torrington Product (USA)
XLS4-1-4 Federal-Mogul Corp Ball and Roller Bearing Group (USA)
XNH-XLS-4-1/4 Blue Tee Corp. Dba Gefco (USA)
XLS4-1-4 Fag Bearings Corporation (USA)
XLS4 1-4 Fag Bearings Corporation (USA)
XLS4 1-4 Equitable Bearing Co Inc (USA)
Related Parts
5310-00-010-3326INTERCHANGEABLE
WASHER,LOCK
103326
2840-00-076-4208INTERCHANGEABLE
ROTOR,COMPRESSOR,AIRCRAFT GAS TU
701092
5315-00-099-7566INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
701092
3110-00-155-8931INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-8988INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-8991INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-159-9061INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-640-8953INTERCHANGEABLE
BEARING,BALL,ANNULAR
5340-01-086-8206INTERCHANGEABLE
CLAMP,SYNCHRO
L3-4
5930-01-276-8882INTERCHANGEABLE
SWITCH,PUSH
80-1092
2040-01-564-7856INTERCHANGEABLE
COVER,BOAT
112308

Frequently Asked Questions

What is NSN 3110-00-155-8984?

NSN 3110-00-155-8984 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 3110-00-155-8984?

NSN 3110-00-155-8984 has 17 cross-referenced part numbers: I70551 (Skf Usa Inc.), 205885-9 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), XLS4 1-4 (Schatz Bearing Corporation Dba Schatz Bearing Corp), A-A-59646 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC) and 12 more.

What NSN replaces 3110-00-155-8984?

There are 11 known substitutes for 3110-00-155-8984: 5310-00-010-3326, 2840-00-076-4208, 5315-00-099-7566 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of I70551?

Key specifications for I70551: Bore Shape: STRAIGHT; Departure From Cited Designator: AS MODIFIED BY OVERALL OUTSIDE DIAMETER; Surface Finish: GROUND; Internal Fit-Up Designation: STANDARD. 21 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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