PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15578/15520Bearing,roller,tapered

Reliance Electric Company Dba Reliance & Dodge Brands · NSN 3110-01-352-5137 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-352-5137 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-352-5137. Primary manufacturer part number: 15578/15520.
Features
  • Bearing,roller,tapered — FSC 3110
  • Supplementary Features: COGNIZANT SERVICE - UNITED KINGDOM ROYAL AIR FORCE
  • 2 verified cross-references
  • Primary manufacturer: Reliance Electric Company Dba Reliance & Dodge Brands
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-352-5137, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Reliance Electric Company Dba Reliance & Dodge Brands. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-352-5137
Primary Part Number15578/15520
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerReliance Electric Company Dba Reliance & Dodge Brands
StatusACTIVE
Supplementary FeaturesCOGNIZANT SERVICE - UNITED KINGDOM ROYAL AIR FORCE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-100-528115578-15520 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
15578/15520 Reliance Electric (USA)
15578/15520 PRIMARY Reliance Electric Company Dba Reliance & Dodge Brands (USA)
Related Parts
3110-00-100-5281INTERCHANGEABLE
BEARING,ROLLER,TAPERED
15578-15520

Frequently Asked Questions

What is NSN 3110-01-352-5137?

NSN 3110-01-352-5137 is a Bearing,roller,tapered, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-352-5137?

NSN 3110-01-352-5137 has 2 cross-referenced part numbers: 15578/15520 (Reliance Electric), 15578/15520 (Reliance Electric Company Dba Reliance & Dodge Brands).

What NSN replaces 3110-01-352-5137?

There is 1 known substitute for 3110-01-352-5137: 3110-00-100-5281. Verify interchangeability with system specifications before substitution.

What are the specifications of 15578/15520?

Key specifications for 15578/15520: End Item Identification: UK/FSC/602-PHASE III SERVO INTRODUCTION,RELIANCE ELECTRIC CO; Supplementary Features: COGNIZANT SERVICE - UNITED KINGDOM ROYAL AIR FORCE. 2 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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