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Powdered metal manufacturing

Powdered Metal.
Built for Repeatability.

From oil-impregnated bearings and bar stock to structural components, Bunting supports powdered metal production quantities from 100 pieces to millions.

Oil-impregnated powdered metal bearings and thrust washer
Powdered metal solid and cored bar stock

4–750
Press capacityTons
Structural part weightUp to 8½ lb
100–M
Production quantitiesHundreds to Millions
USA
Domestic capabilityMade in America

The powdered metal process

From Powder to Finished Component.

A coordinated manufacturing route built around material, geometry, density, lubrication and final application requirements.

01Blend

Prepare the specified metal-powder system.

02Compact

Form the part using controlled pressing.

03Sinter

Bond the compact through controlled heating.

04Size

Calibrate critical geometry and dimensions.

05Impregnate

Introduce oil or other specified media.

06Finish

Complete required secondary operations.

07Inspect

Verify the finished component requirements.

Manufacturing capabilities

More Than Standard Bearings.

Oil-Impregnated Bearings

Sleeve, flange and thrust configurations for standard and application-specific requirements.

Structural Components

Pressed shapes and engineered geometries produced around material and production needs.

Bars, Discs and Plates

Machinable powdered-metal stock in solid, cored, disc and plate forms.

Secondary Operations

Machining, burnishing, vibratory finishing, impregnation and additional finishing support.

POWDERED METAL PRODUCTION PHOTO
Replace with a genuine Bunting press, furnace, sizing or impregnation photograph.

Application-driven manufacturing

Built Around the Material and the Part.

Bunting combines powder processing, forming, sintering, sizing, impregnation, finishing and testing support to help customers move from a print or application to repeatable production.

  • Press sizes from 4 to 750 tons
  • Vacuum impregnation using conventional and synthetic oils
  • Engineering assistance with material selection and part design
  • Laboratory testing and quality-control support

Material experience

Multiple Material Systems. One Manufacturing Partner.

BronzeCopperIronIron-CopperSteelAlloy SteelSinter-Hardened Steel

Bearing technologies

Options for Different Operating Conditions.

SAE 841

Standard oil-impregnated bronze bearing technology.

841 Extra

Developed for stop/start and slow-speed applications.

841 ECO

A food-industry bearing range using H1-approved lubricant.

Dri-Plane®

Dry-running and high-temperature sintered bearing technology.

Quality and engineering

Support Beyond the Press.

ISOISO 9001:2015 certified systems
LABTesting equipment and quality-control procedures
ENGMaterial-selection and part-design assistance

Start the conversation

Have a drawing, application or material question?

Send Bunting the requirements so the team can review the right powdered-metal material and manufacturing route.

Bunting Bearings

Stock and custom bearing solutions since 1907.

© 2026 Bunting Bearings, LLC