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

UBC are precision manufacturers of angular contact and EMQ ball bearings. Angular contact types 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 low friction torque, high speed limit, low vibration, weak-acid & weak-base resistance and strong corrosion resistance. UBC EMQ designs adopt cages produced in Japan and G10 steel balls as well as import oil. Another type offered by UBC are roller bearings in tapered, spherical, needle and spherical roller thrust designs. Non standard styles are also available.

Mfr. of angular contact ball bearings with characteristics such as axial load support in one direction only. Their S Series features a GMN standard spindle bearing, and are a non-separable type. Their X and BHT Series are high precision ball bearings of 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.

Manufacturer of a variety of ball bearing types. The most common type are their deep groove single row ball bearings. 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 types 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 designs, as well as precision stainless steel and carbon steel balls.

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 precisions balls. This type of deep groove design has a construction that can handle radial and axial loads in high speed applications. Timken Fafnir precision angular ball bearings are designed for radial and axial loading in single row and double configurations. The Timken line of precision ball bearings includes type MMX machine tool designs for ultra high speed grinding spindles, type HX for excellent running accuracy, ceramic styles with steel rings, and precision miniature types for ultra precision applications. Timken also manufactures Fafnir super precision, Fafnir screw support and Fafnir ceramic ball bearings. Fafnir housed units are also available.

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 designs. Other types of bearings offered by NSK include spherical, tapered, cylindrical, super precision, thrust and needle roller configurations. NSK also manufactures thin section double row angular contact ball bearings and pillow blocks.

Dalian Hoyi are manufacturers of a variety of ball bearings, including double row deep groove ball bearings used where high rotational speeds are necessary. Hoyi manufactures double row deep groove types 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 thrust, cylindrical, spherical and tapered roller configurations.

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 include tapered, spherical and cylindrical roller bearings, and double row angular contact bearings. MetalCraft products are used in steel mills, heavy engineering plants and most types of vehicles.

Shanghai Unite Technology are manufacturers of ceramic ball bearings in various ceramic materials. Types available include deep groove, thin section, double wall and self aligning. Deep groove ball bearings are precision grade ABEC 1 or ABEC 5, available in metric or inch type. Configurations include open, sealed or shielded type with steel, nylon, PTFE, PEEK or bronze retainers. Ceramic bearings can be used at high temperatures and poor lubrication conditions, as they are self lubricating. However, full ceramic bearings are not suitable for heavy loading.

SAS s a manufacturer of a variety of ball bearings, including stainless steel double row, insert, angular contact, self aligning, thrust and radial designs in a large selection of sizes. SAS insert bearings have a bore range of 1/2 inch to 15/16 inch. Angular contact ball bearings are offered in double row and single row configurations. SAS also offers tapered and cylindrical roller designs.

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 bearings. 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. SKF angular contact ball bearings can accommodate combined radial and axial loads, and come in single row or double row designs. The self aligning design was invented by SKF. These come in open and sealed configurations. Thrust type ball bearings are offered in single or double direction types. Double direction types must not be subjected to radial loads. SKF also distributes MRC aftermarket industrial bearing products.

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. Koyo is also a manufacturer of ball bearings for the OEM automotive market.

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. Each comes in inch and metric sizes, open or shielded, flanged or unflanged. NHHB large ball bearings also come in inch and metric sizes in radial types, but only come in metric sizes for angular contact designs.