PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50525SBearing Unit,roller

Kls Lubraquip Inc · NSN 3130-01-308-8185 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-01-308-8185 — this item is cataloged by the U.S. Government under National Stock Number 3130-01-308-8185. Primary manufacturer part number: 50525S.
Features
  • Bearing Unit,roller — FSC 3130
  • 3 verified cross-references
  • Primary manufacturer: Kls Lubraquip Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing Unit,roller, cataloged under National Stock Number 3130-01-308-8185, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Kls Lubraquip Inc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing Unit,roller
FSC / FSG3130 — No Item Name Available (FSG 31)
ManufacturersKls Lubraquip Inc (CAGE 0KFT7); Madison-Kipp Corp (CAGE 37619)
Technical Specifications
ParameterValue
NSN3130-01-308-8185
Primary Part Number50525S
Item NameBearing Unit,roller
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerKls Lubraquip Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3455-00-266-9460 INTERCHANGEABLE
File,rotary
4930-00-268-9786 INTERCHANGEABLE
Oiler,hand
5330-00-291-1629313W214 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
3040-00-356-3347SC-C-69367 INTERCHANGEABLE
Shaft,shouldered
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-419-14796049-6036 INTERCHANGEABLE
Transformer,radio Frequency
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
6110-01-105-5460 INTERCHANGEABLE
Board Assembly,brake
5330-01-310-7568848064 INTERCHANGEABLE
Seal,center Section,door
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
Cross-Reference Index
Part NumberManufacturer
50525S PRIMARY Kls Lubraquip Inc (USA)
50525 Madison-Kipp Corp (USA)
50525S Madison-Kipp Corp (USA)
Related Parts
3455-00-266-9460INTERCHANGEABLE
FILE,ROTARY
4930-00-268-9786INTERCHANGEABLE
OILER,HAND
5330-00-291-1629INTERCHANGEABLE
SEAL,PLAIN ENCASED
313W214
3040-00-356-3347INTERCHANGEABLE
SHAFT,SHOULDERED
SC-C-69367
5950-00-419-1479INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6049-6036
6110-01-105-5460INTERCHANGEABLE
BOARD ASSEMBLY,BRAKE
5330-01-310-7568INTERCHANGEABLE
SEAL,CENTER SECTION,DOOR
848064

Frequently Asked Questions

What is NSN 3130-01-308-8185?

NSN 3130-01-308-8185 is a Bearing Unit,roller, manufactured by Kls Lubraquip Inc, classified under FSC 3130 (No Item Name Available). Status: active.

What are the part numbers for NSN 3130-01-308-8185?

NSN 3130-01-308-8185 has 3 cross-referenced part numbers: 50525S (Kls Lubraquip Inc), 50525 (Madison-Kipp Corp), 50525S (Madison-Kipp Corp).

What NSN replaces 3130-01-308-8185?

There are 7 known substitutes for 3130-01-308-8185: 3455-00-266-9460, 4930-00-268-9786, 5330-00-291-1629 and 4 more. Verify interchangeability with system specifications before substitution.

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