PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B545MILPRG23827Bearing,ball,airframe

Schatz Bearing Corporation Dba Schatz Bearing Corp · NSN 3110-00-142-4339 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-142-4339 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-142-4339. Primary manufacturer part number: B545MILPRG23827.
Features
  • Bearing,ball,airframe — FSC 3110
  • Overall Outside Diameter: 2.6250 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
  • Inner Ring Width: 0.2810 INCHES NOMINAL IN
  • Outer Ring Width: 0.2500 INCHES NOMINAL IN
  • Load Direction: RADIAL
  • Lubrication Material Document and Classification: MIL-PRF-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Bore Diameter: 2.0625 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-142-4339, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Schatz Bearing Corporation Dba Schatz Bearing Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-142-4339
Primary Part NumberB545MILPRG23827
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchatz Bearing Corporation Dba Schatz Bearing Corp
StatusACTIVE
Overall Outside Diameter2.6250 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Inner Ring Width0.2810 INCHES NOMINAL IN
Outer Ring Width0.2500 INCHES NOMINAL IN
Load DirectionRADIAL
Lubrication Material Document and ClassificationMIL-PRF-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Bore Diameter2.0625 INCHES NOMINAL IN
Style DesignatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4320-00-369-9904B545 INTERCHANGEABLE
Ring,lantern
Clyde Pumps Ltd
3110-00-924-4882B545 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5340-01-139-2895B-545 INTERCHANGEABLE
Cap,protective,dust and Moisture
Caplugs Llc Dba Mokon Div Caplugs
3110-01-273-613571018-0 INTERCHANGEABLE
Bearing,ball,annular
Clausing Industrial Inc Dba Clausing Corp
7025-01-473-0850B545 INTERCHANGEABLE
Trackball,data Entry
Lockheed Martin Corporation Div Rms - Manassas
6150-01-534-140555957 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Aerovironment, Inc. Dba Aerovironment Inc
8940-01-543-702755957 INTERCHANGEABLE
Formula,infant Feeding
Abbott Laboratories, Inc. Dba Ross Products Division Div Ross Products
Cross-Reference Index
Part NumberManufacturer
TCF33-42S Mpb Corporation Dba Mpb Corp (USA)
B545MILPRG23827 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
B545 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
B545 Fag Bearings Corporation (USA)
B545MILPRF23827 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
55957 Raytheon Technical Services Company (USA)
B545FS160 Timken Co Div the Timken Company (USA)
TWF33-42U Mpb Corporation Dba Mpb Corp (USA)
M8000M10 Smith and Smith Aircraft Co (USA)
181669-1 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
177030-2 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
N16B4413-30 Navy Electronics Supply Office (USA)
301276-2 Lockheed Martin Librascope Corporation (USA)
B545B108A000075K0000-0 Skf Usa Inc. (USA)
B545-L Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
B545LY196 PRIMARY Mpb Corp Div Timken Super Precision (USA)
4508-34 Breeze-Eastern Llc (USA)
710180 Army Weapons Command Attn Amswe-Ree-S (USA)
6995870P62 General Electric Company (USA)
Related Parts
4320-00-369-9904INTERCHANGEABLE
RING,LANTERN
B545
3110-00-924-4882INTERCHANGEABLE
BEARING,BALL,ANNULAR
B545
5340-01-139-2895INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
B-545
3110-01-273-6135INTERCHANGEABLE
BEARING,BALL,ANNULAR
71018-0
7025-01-473-0850INTERCHANGEABLE
TRACKBALL,DATA ENTRY
B545
6150-01-534-1405INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
55957
8940-01-543-7027INTERCHANGEABLE
FORMULA,INFANT FEEDING
55957

Frequently Asked Questions

What is NSN 3110-00-142-4339?

NSN 3110-00-142-4339 is a Bearing,ball,airframe, manufactured by Schatz Bearing Corporation Dba Schatz Bearing Corp, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-142-4339?

NSN 3110-00-142-4339 has 19 cross-referenced part numbers: TCF33-42S (Mpb Corporation Dba Mpb Corp), B545MILPRG23827 (Schatz Bearing Corporation Dba Schatz Bearing Corp), B545 (Schatz Bearing Corporation Dba Schatz Bearing Corp), B545 (Fag Bearings Corporation), B545MILPRF23827 (Schatz Bearing Corporation Dba Schatz Bearing Corp) and 14 more.

What NSN replaces 3110-00-142-4339?

There are 7 known substitutes for 3110-00-142-4339: 4320-00-369-9904, 3110-00-924-4882, 5340-01-139-2895 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B545MILPRG23827?

Key specifications for B545MILPRG23827: Overall Outside Diameter: 2.6250 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS; Inner Ring Width: 0.2810 INCHES NOMINAL IN; Outer Ring Width: 0.2500 INCHES NOMINAL IN. 9 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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