PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R165EBearing,roller,cylindrical

Equitable Bearing Co Inc · NSN 3110-00-155-6523 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6523 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6523. Primary manufacturer part number: R165E.
Features
  • Bearing,roller,cylindrical — FSC 3110
  • Overall Outside Diameter: 120.00 MILLIMETERS NOMINAL MM
  • Internal Fit-Up Designation: STANDARD
  • Material: STEEL OUTER RING
  • Style Designator: SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, TWO LIP OUTER RING, SEPARABLE
  • Material: STEEL ROLLER
  • Material: STEEL INNER RING
  • Bore Diameter: 65.00 MILLIMETERS NOMINAL MM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Ring construction
General Description

The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-155-6523, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Equitable Bearing Co Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-155-6523
Primary Part NumberR165E
Item NameBearing,roller,cylindrical
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerEquitable Bearing Co Inc
StatusCANCELLED
Overall Outside Diameter120.00 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL OUTER RING
Style DesignatorSINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, TWO LIP OUTER RING, SEPARABLE
MaterialSTEEL ROLLER
MaterialSTEEL INNER RING
Bore Diameter65.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Locating FeatureNONLOCATING
Standard Tolerance DesignationRBEC NO.1
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-7335 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-155-6503 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-155-6508 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-155-6510 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-155-6515 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-155-6518MA1211UBVV1 INTERCHANGEABLE
Bearing,roller,cylindrical
Ntn Bearing Corporation of America
3110-00-155-652666007 INTERCHANGEABLE
Bearing,roller,cylindrical
Eaton Aerospace, Llc Dba Jackson South
3110-00-155-6540 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-155-6635 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-155-7415 INTERCHANGEABLE
Bearing,roller,cylindrical
Cross-Reference Index
Part NumberManufacturer
R165E Equitable Bearing Co Inc (USA)
NUL65 Skf Usa Inc. (USA)
72-6970-772 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
NU213 Skf Usa Inc. (USA)
MA1213EL Federal-Mogul Corp Government Sales Dept (USA)
A-A-55601 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
E-1213-U Regal Beloit America, Inc. Dba Rollway Bearing (USA)
MS19075-19 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
SKFNUL65 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
MUC213 Regal Beloit America, Inc. Dba Rollway Bearing (USA)
A-A-55601-19AC0 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
R165E Fag Bearings Corporation (USA)
72-6970-772 Fairbanks Morse, Llc (USA)
Related Parts
3110-00-100-7335INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-155-6503INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-155-6508INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-155-6510INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-155-6515INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-155-6518INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
MA1211UBVV1
3110-00-155-6526INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
66007
3110-00-155-6540INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-155-6635INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-155-7415INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-967-2924INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-01-192-3389INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL

Frequently Asked Questions

What is NSN 3110-00-155-6523?

NSN 3110-00-155-6523 is a Bearing,roller,cylindrical, manufactured by Equitable Bearing Co Inc, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-155-6523?

NSN 3110-00-155-6523 has 13 cross-referenced part numbers: R165E (Equitable Bearing Co Inc), NUL65 (Skf Usa Inc.), 72-6970-772 (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco), NU213 (Skf Usa Inc.), MA1213EL (Federal-Mogul Corp Government Sales Dept) and 8 more.

What NSN replaces 3110-00-155-6523?

There are 12 known substitutes for 3110-00-155-6523: 3110-00-100-7335, 3110-00-155-6503, 3110-00-155-6508 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R165E?

Key specifications for R165E: Overall Outside Diameter: 120.00 MILLIMETERS NOMINAL MM; Internal Fit-Up Designation: STANDARD; Material: STEEL OUTER RING; Style Designator: SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, TWO LIP OUTER RING, SEPARABLE. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-155-6523 still in active supply?

NSN 3110-00-155-6523 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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