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National Precision Bearing

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 products

Trusted partners.
Technical solutions.

Our unmatched product inventory, industry-specific experience, and overall technical know-how ensure you get the solution and support you need.

  • Staking Group 1

    Aerospace Bearing Tools


    Types: Drill-press and portable, tri-roller, anvil and custom designs
    Use: Swaging and staking, cutting, installation and removal, rotational torque measurement, proof-load testing tools

  • Airframe Crop

    Airframe Control Bearings


    Types: Full line of airframe control ball and roller anti-friction bearings
    Materials: 52100 chrome steel, 440C stainless steel
    Industry Standards: Conforms to SAE-AS7949 (formerly MIL-B-7949), Airbus & Boeing approved

  • Ballgroupstrip 1225

    Ball Bearings


    Types: Single-row, double-row, angular contact, self-aligning, thrustMaterials: Chrome steel, stainless steel, ceramic hybrid, plasticPrecision: ABEC-1 to ABEC-9

  • Ball Transfers Group

    Ball Transfers


    Type:  Air cargo, Hudson® hauler, lockable ball casters
    Materials:   Carbon steel, stainless steel, nylon 

  • Nunxgroupstrip 1243

    Bushings


    Types: Plain bearings, sleeve bearings, linear sleeve bushings
    Materials: Bronze, composite, plastic, PTFE-lined, self-lubricating steel
    Precision: Precision tolerances available w/ machined liners, MS approved to AS81934 (formerly MIL-B-81934)

  • Cam Follower Group

    Cam Followers


    Types: Track and yoke rollers, single-row and double-row
    Materials: 52100 steel, stainless, stainless steel (CRES)
    Precision: Industrial, aerospace 
    Certifications: MS approved AS39901 (formerly MIL-B-3990), Boeing and Airbus approved

  • Custom And Special Products (1)

    Custom and Special Products


    Types:  Custom bearings, housings, and shafts, cast and machined parts, overmolded bearings, pulleys, sheaves, complete mechanical & electrical assemblies, tooling
    Certifications:  ISO 9001:2015, AS9100D, ISO 13485, DFARS, ITAR, IPC 602B, UL ZPFW2/ZPFW8, US Government/DOD CAGE: 5V122

  • Linear Group

    Linear Bearings


    Types:  Ball, roller, plain, ball screw, carriage and rail systems, X-Y tables 
    Materials:  Stainless steel, 52100 steel, aluminum, polymers 

  • Machine Tool Bearings

    Machine Tool Spindle Bearings


    Types:  High-speed, super precision, universal angular contact, ball screw support  
    Configurations: duplex, triplex, quad sets, ball-ball, ball-roller
    Materials:  52100 steel, custom high-carbon steels, hybrid, ceramic.  
    Precision:  Up to ABEC9/RBEC9

  • Miniature Precision landing page pic

    Miniature Bearings


    Types: Radial, angular contact, full complement, thrust
    Materials: Chrome steel, stainless steel, ceramic hybrid, plastic  
    Precision: ABEC-1 to ABEC-9
    Sizing: Smaller than 1.2 inches (30mm)

  • Mounted Unit Group

    Mounted Units and Inserts


    Types:  Mounted ball, mounted roller
    Configurations: pillow block, flange block, take-up unit, custom
    Materials:  Cast and stainless steel, Stamped steel and composite housings
    Industry Standards:  Agricultural, heavy duty industrial, HVAC 

  • Needle Bearing Group

    Needle Bearings


    Types: Drawn cup, machined, retained, full complement, roller clutch, thrust 
    Materials: 52100 steel, stainless steel (CRES)
    Industry Standards: Industrial (ISO 9001), automotive (IATF/TS 16959), aerospace (AS 9100)

  • Bushing3

    Plastic Bushings


    Types:  Plain, flanged, linear, spherical, pillow blocks  
    Materials:  Delrin, PEEK, nylon, fiber composite
    Industry Standards:  FDA approved materials

  • Rod End

    Rod End Bearings


    Types: Ball bearing, self-aligning, spherical plain rod ends 
    Materials: Standard steel, corrosion resistant steel (CRES)
    Precision: Aerospace or industrial standards
    Industry Standards: MS approved to AS81935 (formerly MIL-B_81935) and AS6039 (formerly MIL-B-6039), Boeing & Airbus approved

  • Roller Bearing4 (1)

    Roller Bearings


    Types: Cylindrical, tapered, hourglass, spherical  
    Materials: High carbon steel, advanced steel, ceramic
    Certifications: RBEC1-RBEC9

  • Seal

    Seals


    Types:  Molded lip seals, metallic-backed rubber, spring retained, machined and mechanical seals, poly pack
    Materials: Buna-N, Viton, specialty materials 
    Industry Standards:  NSF, RoHS, REACH 

  • Slewing

    Slewing Rings


    Types:  Rectangular, flanged, high capacity, cross roller
    Configurations: Geared (internal or external), gearless
    Materials:  Alloy steel, stainless steel, aluminum alloy w/ custom coatings
    Certification:  AGMA Class Q5 quality gears 

  • Spherical Plain Bearings Group

    Spherical Plain Bearings


    Types: Swaged, split ball, split race, fracture race, snap assembled, and loader slot
    Materials: Standard steel, alloys, coatings, corrosion resistant steel 
    Precision: Aerospace or industrial standards
    Industry Standards: MS approved to AS81820 (formerly MIL-B-81820)

  • Thin Section Group

    Thin Section Bearings


    Types: Angular contact, radial contact, 4-point contact, duplex, super duplex, custom
    Materials: 52100 steel, 440C stainless steel, 17-4 stainless steel, M50 steel
    Precision: ABEC-1 to ABEC-9

  • Thrust Bearing Group

    Thrust Bearings


    Types:  Ball, roller, plain, washer, heavy duty, custom
    Materials:  Precision bronze & aluminum alloys, 52100, 440C
    Industry Standards: industrial (ISO 9001), automotive (IATF/TS 16959), aerospace (AS 9100) 

  • V Groove Rtchd B&W

    V Groove Bearings


    Types:  V-groove, U-groove, G-groove, guide wheel
    Configurations: Sealed, Shielded, open
    Materials:  52100 steel, stainless steel

 industries

Everywhere you turn, we’re there.

When it comes to solving the toughest challenges, industry-specific knowledge matters. All of our clients benefit from the depth and breadth of our expertise.

  • Aerospace

    NPB is one of the largest stocking distributors in the world of bearings and bushings for Aerospace applications. Our inventory and experience providing solutions to elite aerospace manufacturers is second to none.

    Aerospace

  • Industrial

    NPB supports a wide variety of industrial applications with inventory of high quality domestic and import bearings. Our experience applying the requirements of aerospace and precision applications to industrial products helps our customers solve their toughest problems.

    Industrial

  • Medical & Dental

    NPB supports medical device manufacturers with bearings in FDA approved devices ranging from blood pumps and powered surgical instruments to monitoring and diagnostic equipment.

    Medical & Dental

  • Precision

    NPB stocks more high-speed miniature and precision instrument bearings than any other company in the world.

    Precision

  • Military & Defense

    NPB is one of the largest bearing and bushing suppliers to the U.S. Government, and we inventory a vast array of U.S.-made product for a wide range of defense and weapon systems applications.

    Military & Defense

  • Semiconductor

    NPB, the leading distributor for precision, miniature, instrument and thin section bearings, has the engineering experience and support to provide bearing solutions for all phases of semiconductor manufacturing.

    Semiconductor
  • Npb Icon Aerospace Color Npb Icon Aerospace White Aerospace

    NPB is one of the largest stocking distributors in the world of bearings and bushings for Aerospace applications. Our inventory and experience providing solutions to elite aerospace manufacturers is second to none.

    Aerospace
  • Npb Icon Industrial Color Npb Icon Industrial White Industrial

    NPB supports a wide variety of industrial applications with inventory of high quality domestic and import bearings. Our experience applying the requirements of aerospace and precision applications to industrial products helps our customers solve their toughest problems.

    Industrial
  • Npb Icon Medical Color Npb Icon Medical White Medical
    & Dental

    NPB supports medical device manufacturers with bearings in FDA approved devices ranging from blood pumps and powered surgical instruments to monitoring and diagnostic equipment.

    Medical & Dental
  • Npb Icon Precision Color Npb Icon Precision White Precision

    NPB stocks more high-speed miniature and precision instrument bearings than any other company in the world.

    Precision
  • Npb Icon Defense Color Npb Icon Defense White Military
    & Defense

    NPB is one of the largest bearing and bushing suppliers to the U.S. Government, and we inventory a vast array of U.S.-made product for a wide range of defense and weapon systems applications.

    Military & Defense
  • Npb Icon Semiconductor Color Npb Icon Semiconductor White Semiconductor

    NPB, the leading distributor for precision, miniature, instrument and thin section bearings, has the engineering experience and support to provide bearing solutions for all phases of semiconductor manufacturing.

    Semiconductor
 services

Custom solutions.
Next-level value.

AS9100/ISO9001 certified, with ISO Class-6 clean room assembly and relubrication services, we’re committed to accommodate any customer-specific solutions.

  • Analysis Bearings

    Bearing Analysis


    NPB offers engineering services for all phases of the design lifecycle, from initial design consultation to bearing damage and failure analysis, including recommended solutions.

  • Cleaning Bearings

    Cleaning & Lube Facilities


    NPB offers manufacturer authorized bearing re-lubrication, rework, and inspection services in our ISO Class 6 certified clean room. Our industry leading selection of lubricant inventory, along with compliance to AS9100 and OEM specifications, allows for fast and reliable turnaround to meet customer requirements.

  • Government Sales Bearings

    Government and Defense


    National Precision Bearing Government and Defense Group is a trusted sourcing specialist for the United States Government / DoD / DLA. Our innovative and adaptive teams supply mechanical and electrical components to US forces around the globe.

  • Custom Assemblies

    Kitting and Assembly


    NPB Kitting services offer previously untapped potential for cost-out of a group of related components; whether the bill of materials (BOM) is simple or complex, cost savings can be maximized by outsourcing assembly of components in the kit.

  • Analysis Bearings

    Long Term Agreements


    NPB increases certainty and reduces volatility in your supply chain. We provide real-time visibility to manufacturing and industry challenges, as well as risk management against disruptions in supply. You get exactly what you want, when you want it.

  • Packaging Bearings

    Packaging


    NPB is a Delegated Inspection Authority and provides labeling, barcode, RFID, kitting and package design to meet your specifications.

    Standard MIL-spec Government/DLA packaging available.

    Small parts can be pill-packed, vial-packed, or bulk-packed, depending on your needs.

  • Technical Data Bearings

    Program Life Cycle


    NPB Product Lifecycle Management solutions address program life from inception, through engineering design and manufacture, to end-of-life aftermarket support.

  • Quality Bearings

    Quality/ISO


    NPB is certified to the following quality standards: Global ISO 9001:2015, Aerospace AS9100D, Medical ISO 13485, US Government CAGE: 5V122, DFARS, ITAR, Electrical Wire Harness Assembly IPC 620B, UL ZPFW2 and UL ZPFW8.

  • Custom Assemblies

    Sourcing and Supply Chain


    NPB sourcing and supply chain solutions provide experienced and effective material management and risk mitigation

  • Npb People Bearings

    Stocking Programs


    Stocking solutions today are more complicated than just warehousing inventory. Our programs provide a strategic advantage through long-term fixed-price agreements, inventory management and demand planning, bin management solutions, as well as 3rd party logistics (3PL).

 sales
National Precision Bearing Sales Locations

Sales and Service

The NPB sales & support teams are renowned across the industry for their professionalism, expertise and dedication to our customers’ success.

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Industry
resources

Since 1979, we’ve been committed to continuous learning and applying that knowledge to help our customers and partners achieve greater success.

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National Precision Bearing Resources
About National Precision Bearing

See how we roll.

With a shared vision and core values that we live everyday, we support each other personally and professionally, while working together as a team in support of our customers.

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Stay up to date with NPB and the industries we serve.

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We're here
to help

Anything you need, any questions or concerns you have, you can ask us here. An NPB team member will get back to you promptly.

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Sales Offices

Thank You

Thank you for your interest.

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