Ball Bearings

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 ball bearings. NTN deep groove radial ball bearings are made of alloy steel in both conrad type and maximum capacity designs. They are designed to carry radial loads. Also available is a self aligning, double row ball design.

National Precision Bearing are precision manufacturers of their R-Series single row, inch series bearings, available from 1/8 through 1-1/2 inch bore sizes, and 3/8 through 2 1/4 inch outside diameter sizes. They accept thrust and radial loads, work in high speed applications, are available in open, sealed and shielded configurations, and are available in stainless steel. The 6000 Series are normally used where space limitations are a concern and shaft sizes are relatively large. Deep, honed raceways and heavier races allow greater radial load capacity. The 1600 Series bearings are designed to be interchangeable with standard domestic inch series bearings, and are available in open, sealed and shielded configurations. They incorporate 52100 steel and ABEC1 tolerances. The V Groove guide wheel bearings are precision ground, double row, angular contact bearings, available in 52100 chrome or 440C stainless steel. Although the standard chrome steel version is available either sealed or shielded, the stainless steel design is available sealed only. The 600 Series are extra small ball bearings with an available outside diameter range of .6299 to 1.0236 inches.

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. The 1600 Series comes in standard open, shielded and sealed designs, with an outside diameter range of .6875 inch to 2.5625 inches. Dynaroll also offers miniature, radial, miniature radial, metric and inch ball bearings.

NBK is a manufacturer of deep groove ball bearings, designed for radial loads and moderate axial loads. They offer less coefficient of friction, less vibration and noise, less energy consumption, high limiting speed, large size range and variations of structure. NBK's TEX Series bearings offer a wide bore and outside diameter range, and use a steel ball. Their 6000 Series bearings also offer a wide inner and outer diameter range in nearly any type you need. Likewise with their R Series and 1600 Series bearings. They each offer a vast inner and outer diameter range and come in nearly every type.

China Ningbo are manufacturers and suppliers of ball, plastic, miniature, small, press, motor, and needle bearings. Their roller bearings offer a bore diameter range from 5mm to 17mm for electric motors. The products conform to the EMQ quality standard. China Ningbo also offers deep groove and radial ball bearings, EMQ bearings and non standard bearings.

Timken 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 precisions balls. This type of bearing has a deep groove construction that can handle radial and axial loads in high speed applications. Timken's precision angular contact ball bearings are designed for radial and axial loading in single row and double row configurations. The Timken line of precision ball bearings includes type MMX machine tool bearings for ultra high speed grinding spindles, type HX bearings for excellent running accuracy, ceramic ball bearings with steel rings, and precision miniature bearings for ultra precision applications.

RBC are suppliers and manufacturers of ball bearings for industrial and aerospace applications. Types of bearings include Nice ball bearings, radial ball bearings, heavy duty needle roller, Fiberglide self lubricating, spherical plain, tapered roller, and stud type track roller bearings. Nice ball bearings are precision ground, standard inch type, radial, angular contact, or thrust type, come with flanged housings in sealed, shielded or open configurations. Nice ball bearings are available in precision ground, semi-ground, heavy duty precision, single row unground, and unground thrust, radial or flanged radial bearings. RBC radial ball bearings are standard type or Conrad type in sealed and unsealed designs. These bearings are offered in ABEC 1 through  ABEC 7 precision grades. Bore sizes range from 3/16 inch to 6 inches. Standard radial ball bearings have SAE 52100 steel rings and balls, and can be used in high temperature applications.

Koyo is a manufacturer of industrial OEM ball bearings, including angular contact, Conrad type, double row, thin section, miniature, hybrid ceramic and full ceramic ball bearings. 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. Koyo also manufactures bearings for the OEM automotive market.

SKF is a bearing manufacturer. The SKF rolling bearing line-up includes deep groove, angular contact, angular contact thrust, self aligning and thrust ball bearings. Other offerings include cylindrical, tapered, needle and spherical roller bearings. SKF has a standard line of deep groove type ball bearings that feature single row or double row configurations, come in stainless steel or hybrid designs, and can handle high temperatures. SKF angular contact ball bearings can accommodate combined radial and axial loads, and come in single row or double row designs. The self aligning ball bearing was invented by SKF. These come in open and sealed designs. SKF thrust type ball bearings are offered in single or double direction configurations. Double direction types must not be subjected to radial loads.

NSK are manufacturers of ball bearings that can handle moderate to heavy radial loads, and low to moderate thrust loads in either direction. Specific types of ball bearings offered by NSK include deep groove radial type (high quality steel, high speed, radial and axial loads), Max Type (heavy radial loads and low speeds), double row, self-aligning type (high quality steel, small contact angle, sealed versions available), Mast Guide (high load capacity), super precision, and angular contact bearings. Other types of bearings offered by NSK include spherical, tapered, cylindrical, super precision, thrust and needle roller bearings. NSK also manufactures thin section double row angular contact ball bearings and pillow block type bearings.

Ningbo Rhino Bearing Company, LTD are manufacturers and suppliers of ball bearings and other types of bearings. Offerings include deep groove and precision miniature ball bearings, ceramic, stainless steel, tapered roller, spherical plain, cylindrical roller, OEM and Non Standard bearings. Ningbo Rhino also offers carbon steel balls and stainless steel balls.

Ningbo Red Print Machinery is a ball bearing manufacturer in China. Offerings include deep groove ball bearings, thrust ball bearings, self aligning ball bearings, as well as taper roller, double taper roller, cylindircal roller, stainless steel, spherical plain, spherical roller, pillow block type, and linear bearings. Ningbo's single-row deep groove ball bearings are available in a broad range of sizes, from miniature ball bearings with outside diameter of less than 9mm, to extra large bearings that exceed 1,500mm in diameter. Small, mid size and flanged type bearings are also available. Large type bearings are normally are fitted with solid brass or steel cages. Ningbo offers an Inch Series and a Non Standard Series of ball bearings as well.

Hartford Technologies is a manufacturer of a variety of ball bearing types. The most common type is their single row deep groove ball bearing. 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. Hartford's miniature ball bearings come in the same configurations but in small (mini) sizes with a standard inner diameter range of 2mm to 9mm. 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. Hartford's double row deep groove ball bearings are widely used in applications involving high rotational speed, and are made of chrome steel. Hartford also offers angular contact and plastic bearings, and precision stainless steel and carbon steel balls.

Dalian Hoyi are manufacturers of a variety of ball bearings. Their double row deep groove ball bearings are used where high rotational speeds are necessary. Hoyi manufactures double row deep groove ball bearings with a bore diameter range of 120mm up to 500mm. Their single row angular contact ball bearings are used where high rotating speed, combined radial and axial loads, and high stiffness and running accuracy are required. They come in a bore diameter range of 120mm up to 600mm. Hoyi four-point contact ball bearings can carry both axial and radial loads, and have a bore diameter of 150mm to 560mm. Dalian Hoyi also offers cylindrical, spherical and tapered roller bearings, as well as thrust bearings.

KSM Bearings are designers and manufacturers of plastic ball bearings, custom bearings, AISI 316 stainless radial ball bearings, and plastic mounted blocks (plastic and 316 stainless insert ball bearings). Plastic bearings are available in standard inch and metric sizes. Plastic race bearings can be made in special sizes and types. KSM offers plastic single and double row radial ball bearings. Plastic is five times lighter than steel and special designs are readily made from plastics as opposed to standard bearings. KSM has standard cages to accommodate bearings sizes from as small as 1/2 inch outside diameter to as large as 5 inch inner diameter. Their AISI 316 stainless steel radial ball bearings provide superior corrosion resistance compared to 440 stainless steel bearings. These bearings are widely used in the food and medical industries. Bearings produced from this type of steel can run in liquids or can run dry at slow speeds.

UBC are precision manufacturers of angular contact and EMQ ball bearings. Angular contact ball bearings are spindle bearings with 15° and 25° contact angles and ball screw bearings of 60° contact angle. Features include high precision, wide speed range, high rigidity, low temperature rise and a diameter range of 20mm to 75mm. UBC also offers EMQ ball bearings with features that include high speed limit, low friction torque, low vibration, little noise, strong corrosion-resistance ability, weak-acid and weak-base resistance. UBC EMQ Ball Bearings adopt cages produced in Japan and G10 steel balls as well as import oil. Another type of bearing offered by UBC are roller bearings in tapered, spherical, needle and spherical roller thrust designs. Non standard bearings are also available.

Kingsbury are manufacturers of Messinger ball bearings that can handle either axial or radial loads, or combined axial and radial loads. They manufacture these bearings to rigid tolerances, even in large diameters. Sizes range from an inner diameter of 2 inches (50mm) to an outer diameter of 25 feet (7.6m). Applications include precision spindles, machine tools, index tables, truck cranes, and radar mounts. Kingsbury's 4 point ball bearings are single row angular contact bearings and can be designed for heavy industrial requirements as a large slewing-style bearing. Their thrust bearings are used in high speed turbine, generator, compressor and gear drive applications. Kingsbury's hydrodynamic fixed profile thrust bearings perform well at high speeds and high loads.

GMN is a manufacturer of angular contact ball bearings with characteristics such as support of axial loads in one direction only, adjustment against a second bearing is necessary, extended ball complement compared to deep groove ball bearings, and high rigidity and loading capacity. Their S Series bearings feature a GMN standard spindle bearing, and are a non-separable type. Their X and BHT Series of bearings are high precision ball bearings of extra wide design. They are a non-separable type. GMN also produces precision radial ball bearings in precision class P4 (ABEC 7) as spindle bearings (angular contact bearings), radial deep groove ball bearings, special precision bearings and ceramic/hybrid bearings.

MetalCraft Engg are manufacturers of precision ball bearings in their high production facility using in-house CNC Machines to perform and turn the raw materials to shape the product. Ball bearings from 6 mm bore to 75 mm bore diameter are manufactured with in-process and post-process gauging in grinding. Other types of bearings include tapered, spherical and cylindrical roller bearings, and double row angular contact bearings. MetalCraft bearings are used in steel mills, heavy engineering plants and most types of vehicles.

Bajaj are suppliers and manufacturers of precision ball bearings using standard grade steel SAE 52100. Types of ball bearings include deep groove (high speed, radial type), angular contact, thrust, self aligning, and four point contact. Bajaj single and double thrust ball bearings are small series axial load bearings fitted with a press steel cage. Other types of bearings offered include single and double row taper roller bearings, single and double row cylindrical roller bearings, double row and sealed spherical roller bearings, cage type needle roller bearings, and flanged pillow block bearings.