Full complement of roller bearings without outer ring These bearings have rollers that are longer than their diameter and can handle higher loads than ball bearings. Our cylindrical roller bearings can handle high radial loads and can be used in high speed applications. Spherical roller bearings can be heavily loaded even in the face of misalignment and shaft deflection. They can be designed with cylindrical or tapered holes for mounting with or without socket adapters. Spherical roller bearings have a variety of internal clearance and retainer options to withstand axial loads in either direction as well as strong shock loads. These bearings have bore diameters ranging from 20 mm to 900 mm. Needle Roller Bearings This type of bearing is thinner than conventional rolling bearings and can be designed with or without an inner ring. Needle roller bearings are ideal for dealing with radial space constraints in heavy duty, high speed applications. The drawn cup profile enables high load capacity and large grease sump while still offering a slim cross-section design. These bearings have inch or metric seals. Tapered Roller Bearings These bearings can withstand radial and axial loads. They can only carry axial loads in one direction, so a second counter bearing is required. Tapered roller bearings are available in inch and metric sizes. Rolling bearings are used in a wide range of applications, from heavy equipment and machinery to power generation, manufacturing and aerospace. Like ball bearings, roller bearings have two grooved tracks or races, but the balls are replaced by rollers. The rollers may be cylinders or frustocones. When the rollers are cylindrical, only radial loads (that is, loads perpendicular to the axis of rotation) can be accommodated, while for tapered rollers, only radial loads and thrusts, or axial loads (that is, parallel to the axis of rotation) can be accommodated. load on the axis of rotation). The cylindrical rollers of needle roller bearings are relatively slender and completely fill the space between the races. In many cases, the inner race is omitted. Since there is a line contact between the rollers and the races, there is point contact in a ball bearing, so in a given space, a ball bearing can carry a larger radial load than a ball bearing. In this type of bearing, a full complement of roller bearings without an outer ring is in linear contact with the raceway. They have a high radial load capacity and are suitable for high-speed travel. There are different types, designated NU, NJ, NUP, N, NF (for single row bearings), NNU and NN (for double row bearings, depending on the design or without side ribs). All types of outer and inner rings are separable. Some outer ring full complement bearings do not have ribs on either the inner or outer rings, so the rings can move axially relative to each other. These can be used as free end bearings. Cylindrical roller bearings with two ribs on the inner or outer ring and one rib on the other ring can withstand a certain axial load in one direction. Double row cylindrical roller bearings have high radial stiffness and are mainly used in precision machine tools. Usually pressed steel or machined brass cages are used, but sometimes moulded polyamide cages are also used.
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