PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500577Bearing,roller,cylindrical

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 3110-00-079-1229 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-079-1229 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-079-1229. Primary manufacturer part number: 500577.
Features
  • Bearing,roller,cylindrical — FSC 3110
  • Material: STEEL OUTER RING
  • Material Document and Classification: PWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE RETAINER
  • Material Document and Classification: PWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OUTER RING
  • Internal Clearance: 0.0022 INCHES MINIMUM RADIAL AND 0.0030 INCHES MAXIMUM RADIAL IN
  • Bore Shape: STRAIGHT
  • Material: STEEL INNER RING
  • Material Document and Classification: PWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE INNER RING
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 3110-00-079-1229, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-079-1229
Primary Part Number500577
Item NameBearing,roller,cylindrical
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
MaterialSTEEL OUTER RING
Material Document and ClassificationPWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE RETAINER
Material Document and ClassificationPWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OUTER RING
Internal Clearance0.0022 INCHES MINIMUM RADIAL AND 0.0030 INCHES MAXIMUM RADIAL IN
Bore ShapeSTRAIGHT
MaterialSTEEL INNER RING
Material Document and ClassificationPWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE INNER RING
MaterialSTEEL ROLLER
Style DesignatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
Locating FeatureNONLOCATING
Overall Outside Diameter3.7399 INCHES MINIMUM AND 3.7402 INCHES MAXIMUM IN
Bore Diameter2.3619 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN
Surface FinishGROUND
Standard Tolerance DesignationRBEC NO.5
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5905-00-114-2270 INTERCHANGEABLE
Resistor,fixed,composition
2030-00-390-4226500577 INTERCHANGEABLE
Valve,relayair
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
5935-00-978-7743 INTERCHANGEABLE
Connector Body,receptacle,electr
5935-00-978-7752 INTERCHANGEABLE
Connector,plug,electrical
4820-01-581-66645005-7-7 INTERCHANGEABLE
Disk,valve
Hunt Valve Company, Inc.
4240-01-599-4559500577 INTERCHANGEABLE
Harness,safety,industrial
Capital Safety
Cross-Reference Index
Part NumberManufacturer
735988 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
500578 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
735988 Rtx Corporation Div Pratt & Whitney (USA)
500577 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5905-00-114-2270INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
2030-00-390-4226INTERCHANGEABLE
VALVE,RELAYAIR
500577
5935-00-978-7743INTERCHANGEABLE
CONNECTOR BODY,RECEPTACLE,ELECTR
5935-00-978-7752INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4820-01-581-6664INTERCHANGEABLE
DISK,VALVE
5005-7-7
4240-01-599-4559INTERCHANGEABLE
HARNESS,SAFETY,INDUSTRIAL
500577

Frequently Asked Questions

What is NSN 3110-00-079-1229?

NSN 3110-00-079-1229 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 3110-00-079-1229?

NSN 3110-00-079-1229 has 4 cross-referenced part numbers: 735988 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 500578 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 735988 (Rtx Corporation Div Pratt & Whitney), 500577 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 3110-00-079-1229?

There are 6 known substitutes for 3110-00-079-1229: 5905-00-114-2270, 2030-00-390-4226, 5935-00-978-7743 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 500577?

Key specifications for 500577: Overall Width: 0.7037 INCHES MINIMUM AND 0.7087 INCHES MAXIMUM IN; Material: STEEL OUTER RING; Material Document and Classification: PWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE RETAINER; Material Document and Classification: PWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OUTER RING. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-079-1229 still in active supply?

NSN 3110-00-079-1229 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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