PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-55599Bearing,roller,cylindrical

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 3110-00-155-6590 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6590 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6590. Primary manufacturer part number: A-A-55599.
Features
  • Bearing,roller,cylindrical — FSC 3110
  • Bore Shape: STRAIGHT
  • Internal Fit-Up Designation: STANDARD
  • Material: STEEL ROLLER
  • Style Designator: SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
  • Material: STEEL INNER RING
  • Material: STEEL OUTER RING
  • Standard Tolerance Designation: RBEC NO.1
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Roller construction
General Description

The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-155-6590, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-155-6590
Primary Part NumberA-A-55599
Item NameBearing,roller,cylindrical
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Bore ShapeSTRAIGHT
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL ROLLER
Style DesignatorSINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
MaterialSTEEL INNER RING
MaterialSTEEL OUTER RING
Standard Tolerance DesignationRBEC NO.1
Surface FinishGROUND
Overall Outside Diameter72.00 MILLIMETERS NOMINAL MM
Locating FeatureONE DIRECTION
Bore Diameter35.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3110-00-155-7358 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-156-1320 INTERCHANGEABLE
Bearing,roller,cylindrical
5950-00-647-8241 INTERCHANGEABLE
Transformer,radio Frequency
2520-00-700-08549497 INTERCHANGEABLE
Joint Universal
Meritor Heavy Vehicle Systems, Llc
6625-01-643-50909497 INTERCHANGEABLE
Test Weight,cast Ir
Troemner Llc
Cross-Reference Index
Part NumberManufacturer
A-A-55599 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA55599-08AC0 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
7450286 General Motors Corp (USA)
9497 Eaton Aerospace, Llc Dba Jackson South (USA)
MR1207EL Federal-Mogul Corp Government Sales Dept (USA)
R1207WB General Motors Corp (USA)
7450286 General Motors Corp Electro-Motive Div (USA)
R1207WB General Motors Corp Delco Moraine Ndh Div (USA)
NJ207 Skf Usa Inc. (USA)
Related Parts
3110-00-155-7358INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-156-1320INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
5950-00-647-8241INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
2520-00-700-0854INTERCHANGEABLE
JOINT UNIVERSAL
9497
6625-01-643-5090INTERCHANGEABLE
TEST WEIGHT,CAST IR
9497

Frequently Asked Questions

What is NSN 3110-00-155-6590?

NSN 3110-00-155-6590 is a Bearing,roller,cylindrical, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-155-6590?

NSN 3110-00-155-6590 has 9 cross-referenced part numbers: A-A-55599 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA55599-08AC0 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 7450286 (General Motors Corp), 9497 (Eaton Aerospace, Llc Dba Jackson South), MR1207EL (Federal-Mogul Corp Government Sales Dept) and 4 more.

What NSN replaces 3110-00-155-6590?

There are 5 known substitutes for 3110-00-155-6590: 3110-00-155-7358, 3110-00-156-1320, 5950-00-647-8241 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-55599?

Key specifications for A-A-55599: Bore Shape: STRAIGHT; Internal Fit-Up Designation: STANDARD; Material: STEEL ROLLER; Style Designator: SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-155-6590 still in active supply?

NSN 3110-00-155-6590 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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