PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51138Bearing,ball,thrust

Schaeffler Group Usa Inc · NSN 3110-00-224-4525 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-224-4525 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-224-4525. Primary manufacturer part number: 51138.
Features
  • Bearing,ball,thrust — FSC 3110
  • Bore Smallest Diameter: 7.4803 INCHES NOMINAL IN
  • Alignment Type: RIGID
  • Retainer Fabrication Method: MACHINED
  • Overall Outside Diameter: 240.0 MILLIMETERS NOMINAL MM
  • Surface Finish: GROUND
  • Largest Bore Diameter: 7.4880 INCHES NOMINAL IN
  • Thrust Directional Capability Designation: SINGLE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Overall construction
General Description

The Bearing,ball,thrust, cataloged under National Stock Number 3110-00-224-4525, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Schaeffler Group Usa Inc. Government technical data includes 8 verified specifications, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-224-4525
Primary Part Number51138
Item NameBearing,ball,thrust
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchaeffler Group Usa Inc
StatusACTIVE
Bore Smallest Diameter7.4803 INCHES NOMINAL IN
Alignment TypeRIGID
Retainer Fabrication MethodMACHINED
Overall Outside Diameter240.0 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Largest Bore Diameter7.4880 INCHES NOMINAL IN
Thrust Directional Capability DesignationSINGLE
MaterialSTEEL COMP E52100 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2940-00-019-808751138 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5330-00-149-2335 INTERCHANGEABLE
Retainer,packing
3020-00-836-178051138 INTERCHANGEABLE
Pulley,engine Starter Rope
Mcculloch Corp
5985-01-068-46513150074-1 INTERCHANGEABLE
Coupler,directional
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
7510-01-306-27157756 INTERCHANGEABLE
Ribbon,inking
Epson America Inc
5360-01-630-1913S-1138 INTERCHANGEABLE
Spring,helical,compression
Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp.
Cross-Reference Index
Part NumberManufacturer
51138 Andrews Bearing Corp Div of Mpb Corp Sub of Wheelabrator-Frye Inc (USA)
51138 PRIMARY Schaeffler Group Usa Inc (USA)
Related Parts
2940-00-019-8087INTERCHANGEABLE
FILTER ELEMENT,FLUID
51138
5330-00-149-2335INTERCHANGEABLE
RETAINER,PACKING
3020-00-836-1780INTERCHANGEABLE
PULLEY,ENGINE STARTER ROPE
51138
5985-01-068-4651INTERCHANGEABLE
COUPLER,DIRECTIONAL
3150074-1
7510-01-306-2715INTERCHANGEABLE
RIBBON,INKING
7756
5360-01-630-1913INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
S-1138

Frequently Asked Questions

What is NSN 3110-00-224-4525?

NSN 3110-00-224-4525 is a Bearing,ball,thrust, manufactured by Schaeffler Group Usa Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-224-4525?

NSN 3110-00-224-4525 has 2 cross-referenced part numbers: 51138 (Andrews Bearing Corp Div of Mpb Corp Sub of Wheelabrator-Frye Inc), 51138 (Schaeffler Group Usa Inc).

What NSN replaces 3110-00-224-4525?

There are 6 known substitutes for 3110-00-224-4525: 2940-00-019-8087, 5330-00-149-2335, 3020-00-836-1780 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51138?

Key specifications for 51138: Bore Smallest Diameter: 7.4803 INCHES NOMINAL IN; Alignment Type: RIGID; Retainer Fabrication Method: MACHINED; Overall Outside Diameter: 240.0 MILLIMETERS NOMINAL MM. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com