PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

528021Bearing,ball,duplex

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 3110-00-939-6298 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-939-6298 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-939-6298. Primary manufacturer part number: 528021.
Features
  • Bearing,ball,duplex — FSC 3110
  • 8 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-939-6298, 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. This item has 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,ball,duplex
FSC / FSG3110 — No Item Name Available (FSG 31)
ManufacturersRtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Rtx Corporation Div Pratt & Whitney (CAGE 52661)
Technical Specifications
ParameterValue
NSN3110-00-939-6298
Primary Part Number528021
Item NameBearing,ball,duplex
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
7035-00-043-1325 INTERCHANGEABLE
Lever,lifting
6685-00-945-307553602-1 INTERCHANGEABLE
Control,temperature,indicating
Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems
5977-01-363-9631536-021 INTERCHANGEABLE
Ring,electrical Contact
Simplex Time Recorder Llc
5130-01-444-9072RH328VCQ INTERCHANGEABLE
Hammer,rotary,electric,portable
Bosch Automotive Service Solutions Inc.
Cross-Reference Index
Part NumberManufacturer
528021 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
618596 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
536342 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
618596 Rtx Corporation Div Pratt & Whitney (USA)
536021 Rtx Corporation Div Pratt & Whitney (USA)
528021 Rtx Corporation Div Pratt & Whitney (USA)
2187447 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
2187447 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
7035-00-043-1325INTERCHANGEABLE
LEVER,LIFTING
6685-00-945-3075INTERCHANGEABLE
CONTROL,TEMPERATURE,INDICATING
53602-1
5977-01-363-9631INTERCHANGEABLE
RING,ELECTRICAL CONTACT
536-021
5130-01-444-9072INTERCHANGEABLE
HAMMER,ROTARY,ELECTRIC,PORTABLE
RH328VCQ

Frequently Asked Questions

What is NSN 3110-00-939-6298?

NSN 3110-00-939-6298 is a Bearing,ball,duplex, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-939-6298?

NSN 3110-00-939-6298 has 8 cross-referenced part numbers: 528021 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 618596 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 536342 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 618596 (Rtx Corporation Div Pratt & Whitney), 536021 (Rtx Corporation Div Pratt & Whitney) and 3 more.

What NSN replaces 3110-00-939-6298?

There are 4 known substitutes for 3110-00-939-6298: 7035-00-043-1325, 6685-00-945-3075, 5977-01-363-9631 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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