Precision.
Quality.
Durability.
If it moves, slides or rolls, National Precision Bearing offers a wide range of products to accommodate virtually every application and configuration.
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Aerospace Bearing Tools
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 Control Bearings
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 -
Ball Bearings
Ball Bearings
Types: Single-row, double-row, angular contact, self-aligning, thrustMaterials: Chrome steel, stainless steel, ceramic hybrid, plasticPrecision: ABEC-1 to ABEC-9
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Ball Transfers
Ball Transfers
Type: Air cargo, Hudson® hauler, lockable ball casters
Materials: Carbon steel, stainless steel, nylon -
Bushings
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 Followers
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
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 Bearings
Linear Bearings
Types: Ball, roller, plain, ball screw, carriage and rail systems, X-Y tables
Materials: Stainless steel, 52100 steel, aluminum, polymers -
Machine Tool Spindle 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 Bearings
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 Units and Inserts
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 Bearings
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) -
Plastic Bushings
Plastic Bushings
Types: Plain, flanged, linear, spherical, pillow blocks
Materials: Delrin, PEEK, nylon, fiber composite
Industry Standards: FDA approved materials -
Rod End Bearings
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 Bearings
Roller Bearings
Types: Cylindrical, tapered, hourglass, spherical
Materials: High carbon steel, advanced steel, ceramic
Certifications: RBEC1-RBEC9 -
Seals
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 Rings
Slewing Rings
Types: Rectangular, flanged, high capacity, cross rollerConfigurations: Geared (internal or external), gearlessMaterials: Alloy steel, stainless steel, aluminum alloy w/ custom coatingsCertification: AGMA Class Q5 quality gears
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Spherical Plain Bearings
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 Bearings
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 Bearings
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 Bearings
V Groove Bearings
Types: V-groove, U-groove, G-groove, guide wheel
Configurations: Sealed, Shielded, open
Materials: 52100 steel, stainless steel
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.