PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500552Bearing,roller,cylindrical

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 3110-00-942-1873 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-942-1873 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-942-1873. Primary manufacturer part number: 500552.
Features
  • Bearing,roller,cylindrical — FSC 3110
  • Bore Diameter: 20.0 MILLIMETERS NOMINAL MM
  • Style Designator: SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
  • Bore Shape: STRAIGHT
  • Internal Fit-Up Designation: STANDARD
  • Material: STEEL OVERALL
  • Surface Finish: UNGROUND
  • Locating Feature: NONLOCATING
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-942-1873, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-942-1873
Primary Part Number500552
Item NameBearing,roller,cylindrical
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Bore Diameter20.0 MILLIMETERS NOMINAL MM
Style DesignatorSINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
Bore ShapeSTRAIGHT
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL OVERALL
Surface FinishUNGROUND
Locating FeatureNONLOCATING
Retainer Fabrication MethodMACHINED
Standard Tolerance DesignationRBEC NO.5
Overall Outside Diameter37.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5331-00-800-72564010-99 INTERCHANGEABLE
O-Ring
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5930-01-039-6254 INTERCHANGEABLE
Switch,pressure
Cross-Reference Index
Part NumberManufacturer
500552 Skf Usa Inc. (USA)
500549 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
735962 Timken Co Div the Timken Company (USA)
500552 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
500553 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
735962 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
735962 Rtx Corporation Div Pratt & Whitney (USA)
2187448 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5331-00-800-7256INTERCHANGEABLE
O-RING
4010-99
5930-01-039-6254INTERCHANGEABLE
SWITCH,PRESSURE

Frequently Asked Questions

What is NSN 3110-00-942-1873?

NSN 3110-00-942-1873 is a Bearing,roller,cylindrical, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-942-1873?

NSN 3110-00-942-1873 has 8 cross-referenced part numbers: 500552 (Skf Usa Inc.), 500549 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 735962 (Timken Co Div the Timken Company), 500552 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 500553 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 3 more.

What NSN replaces 3110-00-942-1873?

There are 2 known substitutes for 3110-00-942-1873: 5331-00-800-7256, 5930-01-039-6254. Verify interchangeability with system specifications before substitution.

What are the specifications of 500552?

Key specifications for 500552: Bore Diameter: 20.0 MILLIMETERS NOMINAL MM; Style Designator: SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE; Bore Shape: STRAIGHT; Internal Fit-Up Designation: STANDARD. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-942-1873 still in active supply?

NSN 3110-00-942-1873 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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