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.

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.

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

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

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.

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.

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

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

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

Type:  Air cargo, Hudson® hauler, lockable ball casters

Materials:   Carbon steel, stainless steel, nylon 

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)

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

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

Types:  Ball, roller, plain, ball screw, carriage and rail systems, X-Y tables 

Materials:  Stainless steel, 52100 steel, aluminum, polymers 

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

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)

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 

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)

Types:  Plain, flanged, linear, spherical, pillow blocks  

Materials:  Delrin, PEEK, nylon, fiber composite

Industry Standards:  FDA approved materials

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

Types: Cylindrical, tapered, hourglass, spherical  

Materials: High carbon steel, advanced steel, ceramic

Certifications: RBEC1-RBEC9

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 

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 

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)

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

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) 

Types:  V-groove, U-groove, G-groove, guide wheel

Configurations: Sealed, Shielded, open

Materials:  52100 steel, stainless steel