PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

502257Bearing,roller,cylindrical

Renk America Llc Div Renk America · NSN 3110-00-155-6503 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6503 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6503. Primary manufacturer part number: 502257.
Features
  • Bearing,roller,cylindrical — FSC 3110
  • Material: STEEL OUTER RING
  • Nondefinitive Spec/std Data: 215,GR00,CL1 TYPE
  • Style Designator: SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, TWO LIP OUTER RING, SEPARABLE
  • Material: STEEL INNER RING
  • Material: STEEL ROLLER
  • Overall Outside Diameter: 47.0 MILLIMETERS NOMINAL MM
  • Surface Finish: GROUND
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 3110-00-155-6503, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Renk America Llc Div Renk America. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 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: Active.

Technical Specifications
ParameterValue
NSN3110-00-155-6503
Primary Part Number502257
Item NameBearing,roller,cylindrical
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRenk America Llc Div Renk America
StatusACTIVE
MaterialSTEEL OUTER RING
Nondefinitive Spec/std Data215,GR00,CL1 TYPE
Style DesignatorSINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, TWO LIP OUTER RING, SEPARABLE
MaterialSTEEL INNER RING
MaterialSTEEL ROLLER
Overall Outside Diameter47.0 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
Bore ShapeSTRAIGHT
Locating FeatureNONLOCATING
Bore Diameter20.0 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationRBEC NO.1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-7335 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
3110-00-155-6523 INTERCHANGEABLE
Bearing,roller,cylindrical
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
502257 Renk America Llc Div Renk America (USA)
R120E Equitable Bearing Co Inc (USA)
NUL20 Skf Usa Inc. (USA)
FFB185 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
502257 Satair A/s (DNK)
72-6970-763 Fairbanks Morse, Llc (USA)
NU204 Skf Usa Inc. (USA)
72-6970-763 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
A-A-55601 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
R120E Fag Bearings Corporation (USA)
AA55601-02JC0 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A1204WB General Motors Corp Delco Moraine Ndh Div (USA)
Related Parts
3110-00-100-7335INTERCHANGEABLE
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
3110-00-155-6523INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
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 3110-00-155-6503?

NSN 3110-00-155-6503 is a Bearing,roller,cylindrical, manufactured by Renk America Llc Div Renk America, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-155-6503?

NSN 3110-00-155-6503 has 12 cross-referenced part numbers: 502257 (Renk America Llc Div Renk America), R120E (Equitable Bearing Co Inc), NUL20 (Skf Usa Inc.), FFB185 (Federal Specifications Promulgated by General Services Administration Washington DC), 502257 (Satair A/s) and 7 more.

What NSN replaces 3110-00-155-6503?

There are 12 known substitutes for 3110-00-155-6503: 3110-00-100-7335, 3110-00-155-6508, 3110-00-155-6510 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 502257?

Key specifications for 502257: Material: STEEL OUTER RING; Nondefinitive Spec/std Data: 215,GR00,CL1 TYPE; Style Designator: SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, TWO LIP OUTER RING, SEPARABLE; Material: STEEL INNER RING. 13 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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