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Bearings • Ball Bearings

Ball bearing is a rolling element bearing with balls that separate the moving elements. They are used to reduce rotational friction while holding up radial and axial loads. Two races, one fixed, hold the balls and transmit loads through the balls. The rolling balls produce a low coefficient of friction. Ball bearings typically have a low load capacity but allow for misalignment of the inner and outer races. They can be made of various materials, including stainless steel and plastic. They have several common designs such as angular contact, axial, thrust, sealed, flanged, self aligning and deep groove. Various sizes and configurations are available; large, miniature, inch, metric, double and single row.

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  • National Precision Bearing

    NPB are manufacturers of R-Series single row, inch ball bearings, available from 1/8 through 1-1/2 inch bore sizes, and 3/8 through 2 1/4 inch outside diameter sizes. The 6000 Series are normally used where space limitations are a concern and shaft sizes are relatively large. The 1600 Series are designed to be interchangeable with standard domestic inch ball bearings. The 600 Series are extra small with an available outside diameter range of .6299 to 1.0236 inches.

  • Dynaroll Corp.

    Dynaroll are manufacturers of ball bearings in a variety of different grades, including ABEC and ISO. Their 600 Series come in standard open, shielded and sealed configurations, with bore ranges from 4mm to 9mm, and outside diameter ranges from 16mm to 26mm. Their R Series ball bearings come in standard or flanged open, shielded and sealed configurations, and offer bore ranges from .1250 inch to 1.2500 inches, and outside diameter ranges from .3750 inch to 2.2500 inches.

  • RBC Bearings

    RBC are suppliers and manufacturers of ball bearings for industrial and aerospace applications. Types include Nice, radial, heavy duty needle roller, Fiberglide self lubricating, spherical plain, tapered roller, and stud type track roller designs. Nice ball bearings come in standard inch type, radial, angular contact or thrust type, and come with flanged housings in sealed, shielded or open configurations.

  • Hartford Technologies, Inc.

    Hartford are manufacturers of a variety of ball bearing types. The most common are their deep groove single row. These offer excellent radial load carrying in sealed or shielded designs. They are made of chrome steel and feature a standard inner diameter range of 10mm to 75mm. Their heavy load ball bearings offer excellent radial load carrying and come in sealed and shielded designs as well. They are made of chrome steel and offer a standard inner diameter range of 17mm to 100mm.

  • KMS Bearings, Inc.

    KSM are designers and manufacturers of plastic, custom, AISI 316 stainless radial, and plastic mounted blocks (plastic and 316 stainless insert) ball bearings. Plastic types are available in standard inch and metric sizes. Their AISI 316 stainless steel radial ball bearings provide superior corrosion resistance compared to 440 stainless steel designs. These are widely used in the food and medical industries.

  • The Timken Company

    The Timken Company is a manufacturer of ball bearings used for high precision applications in markets such as aerospace, agriculture, construction, health, machine tool and general industries. Timken standard radial ball bearings consist of an inner and outer ring with a cage of precision balls. Timken Fafnir precision angular types are designed for radial and axial loading in single row and double configurations.

  • NTN Bearing Corp. of America

    NTN are manufacturers of a wide variety of ball bearings, including single row deep groove, deep groove radial, maximum capacity, micro and mini, single row angular, double row angular, self aligning, single direction type thrust, double row angular contact thrust, and high speed duplex angular contact thrust configurations. NTN deep groove radial ball bearings are made of alloy steel and are designed to carry radial loads.

  • Rexnord Industries

    Rexnord offers ball bearings in intermediate duty, standard duty, medium duty and heavy duty configurations. Rex intermediate duty types include pillow blocks, flange blocks, take-up blocks, hanger units and unmounted units. Rexnord standard duty types include pillow, flange, cartridge and take-up blocks, take-up assemblies and frames, hanger units, trough end units, and unmounted units.

  • SKF USA, Inc.

    The SKF ball bearing line-up includes deep groove, angular contact, angular contact thrust, self aligning and thrust types. Other offerings include cylindrical, tapered, needle and spherical roller designs. SKF has a standard line of deep groove ball bearings that feature single row or double row configurations, come in stainless steel or hybrid designs, and can handle high temperatures.

  • Auburn Ball Bearing

    Auburn is a manufacturer of sealed thrust ball bearings.  The "V" groove can distribute the load evenly across the balls. Features include "V" groove design that can carry radial loads up to 25% of their thrust load capacity. Auburn offers many sealed thrust configurations.

  • Koyo Corp. of USA

    Koyo is a manufacturer of industrial OEM ball bearings, including angular contact, Conrad type, double row, thin section, miniature, hybrid ceramic and full ceramic configurations. Other types offered by Koyo include single and double row tapered roller, standard spherical roller and spherical roller thrust, and single and double row cylindrical roller bearings.

  • NHBB (New Hampshire Ball Bearing)

    NHBB is a manufacturer of precision (ABEC 5 & 7) ball bearings from 0.1250 in. to 11.00 in. O.D. They specialize in miniature and instrument designs, as well as dental, thin section (Thinex) and torque tube, and large designs for aerospace applications. NHBB miniature and instrument ball bearings come in angular contact full ball complement, angular contact and radial configurations.

  • American Roller Bearing Co.

    American deep groove and angular contact ball bearings are made from AISI steel. ABEC Class 1/ ISO Class Normal.

  • Barden Corp.

    Barden are manufacturers of  deep groove, single row, radial, and precision angular contact ball bearings. They also sell roller and double direction angular contact thrust and precision ceramic designs. All of their products come in inch type or metric sizes ranging from 3/8 inch to 15 3/4 inch outside diameter. Barden manufactures their products to ABEC 7 or  9.

  • GMN Bearing USA

    GMN are manufacturers of angular contact and radial ball bearings. Their S Series angular contact design features a GMN standard spindle bearing, and are a non-separable type. Their X and BHT Series are high precision in an extra wide design. They are a non-separable type also. GMN produces precision radial ball bearings in precision class P4 (ABEC 7) as spindle (angular contact, radial deep groove, special precision and ceramic hybrid) designs.

  • Scheerer Bearing Corp.

    Scheerer is a manufacturer of ball thrust, roller thrust, radial ball and radial roller bearings. The majority of their products are made from SAE 52100 alloy steel. The retainers are made from precision machined centrifugally cast bronze or phenolic. Scheerer ball thrust bearings are self aligning and single or double acting. Their roller thrust designs come in plain type, self aligning, single or double acting. Scheerer radial ball bearings come in either single row or double row deep groove and are self aligning. Their radial roller designs include cylindrical, single row or multi-row.

  • Boston Gear

    Boston Gear are manufacturers of unmounted, inch size ball bearings available in radial and thrust designs. Features include double sealed and double shielded grease packed bearings for greater versatility. Applications include flanged, banded, rope or wire, chains or belts, and flange mounted. Other types of bearings offered include plain sleeve, mounted, molded plastic, thrust, rod ends and sphericals, and linear type.

  • Perfect Fit Industries

    Perfect Fit Industries, Inc. are suppliers of automotive bearings to original equipment and aftermarket customers around the world. PFI offers ball , taper roller and needle bearings. Ball bearings are available in single and double row configurations. Taper roller desings are used in automotive wheels and gearboxes, and come in metric and inch sizes. PFI wheel bearings are made from steel tubes. Their tensioner and idler types are resistant to high temperatures. PFI clutch release bearings are designed for heavy truck and bus applications.

    also in:
    Ball Bearings Needle Roller Bearings Tapered Roller Bearings
  • PIB Bearing, Inc.

    PIB are manufacturers of precision ball bearings. Their R Series type is a single row, inch series with sizes from 1/8 inch to 1 inch. They can be ordered in stainless steel, flanged, shielded or sealed for high speed applications. PIB's 6000 Series type are deep groove radial ball bearings, single row, made of steel, for axial or radial loads operating at high speeds. Shaft sizes are relatively large, with deep honed raceways.  They are available in open, sealed or shielded configurations. PIB's 6800 Series type feature a large outside diameter, and may be obtained with light, standard or heavy torque. Their Felt Seals Series are a light duty, single row radial type with high quality felt seals, precision ground raceways and steel balls. Their Thin Section Series type offers precision tolerances and high temperature ratings. PIB also offers double row bearings.

  • VXB Ball Bearings

    VXB are suppliers of ball bearings available in carbon, chrome and stainless steel. Retainers available include steel, nylon, polymide, phenolic, and more. All are offered in inch or metric sizes. Types available include ceramic, metric miniature, inch type, teflon sealed, and large size ball bearings. Their metric miniature types have an inner diameter range of 1mm to 32mm. Their inch sizes have a range from .078 inch to 1 inch. VXB also offers metric linear bearing and motion systems, and inch linear motion systems. Other types of bearings available include plain spherical, needle roller, tapered roller, self aligning and flanged type.