NTN Roller Bearings

[Features]· Bearing includes a needle roller and cage installed following formation of an outer ring from a thin steel plate via precision drawing and surface curing of the corresponding raceway. (For model numbers with "M" in the suffix symbol, curing is performed after installation).· Allows for space and cost savings and has the lowest section height of any bearing which includes an outer ring.· Generally, designs which use the axis as a raceway directly do not include an inner ring.· Structured so that the outer ring needle roller and the retainer do not separate, and handling is simplified as the bearing is only press-fixed to a rigid housing and no stop ring for performing fixing in the axial direction is required.

Designed so the tapered vertex of the raceway surfaces of the inner and outer rings and rollers converge at one point on the centerline of the bearing. Products on this page: 3000, 3200 and 3300 series, 4T type

A roller bearing with thrust cage into which needle rollers are radially incorporated into the cage.Products on this page: AXK type, AS type, GS type and WS type

This bearing includes an outer ring with a spherical raceway as well as an inner ring with two rows of rolling elements, and aligns itself according to the axial tilt. The bearing can bear large loads and thus can be used for industrial machinery. Products on this page: 2100 2200, 2300 and 2400 series, LH type

For this bearing, needle rollers and a retainer have been incorporated into a solid outer ring such that the outer ring and needle are not separated. Features high rigidity and bearing accuracy can be increased; ideal for applications where high speed, high load and high rotational accuracy are required.[Features]· Solid needle roller bearing dimensional accuracy, conformational accuracy and rotation accuracy are specified in JIS B 1514 (rolling bearing precision).· Products of precision grade JIS0, are manufactured by default but JIS6, JIS5, and JIS4 class products can also be provided for applications that require higher rotational precision; please inquire with NTN.· The dimensional tolerance of the roller's inscribed circle diameter for the inner ring-less RNA, NKS and MR models corresponds to ISO class F6.· Refer to the corresponding documentation when choosing axle diameter dimensions and radial clearance.· Especially high

Small roller-type one-way clutch in which a cam surface is formed on the outer ring's inner diameter surface.

As the rollers and raceway are in linear contact, the bearing's radial load capacity is large, and the rollers are guided by the shoulder of the inner or outer ring, so the bearing is structurally suitable for high-speed rotation. Products on this page: N, NF, NJ, NUand NN models

Thrust self-aligning roller bearings provide a spherical surface around the point where the raceway of the housing raceway plate coincides with the center of the bearings, and its rolling elements correspond to bearings using a barrel form roller with which self-alignment can be maintained. Products on this page: 2900 series[Features]· Thrust self-aligning roller bearings provide a spherical surface around the point where the raceway of the housing raceway plate coincides with the center of the bearings, and its rolling elements correspond to bearings using a barrel form roller with which self-alignment can be maintained.· Allowable aligning angles, which vary depending on the model of the bearing used, range from 1˚ to 2˚ for typical loads.· The cage is carved from copper alloy and a guide sleeve for guiding the cage is present on the inner ring.· Has a large axial load capacity and can even tolerate a certain degree of radial load while an axial load is applied. This is provided that Fr/Fa ≦ 0.55.· In addition, oil lubrication must be used even during rotation at low-speeds because there exist points of insufficient lubrication, such as between the roller end face and the shaft raceway plate shoulder and between the retainer and the guide sleeve.

Basic constituent component for a needle roller bearing with a structure that ensures that the needle roller is not separated from the cage. The compact and lightweight design is made possible thanks to the use of the shaft or housing as a direct raceway surface, without the use of an inner or outer ring.

Designed so the tapered vertex of the raceway surfaces of the inner and outer rings and rollers converge at one point on the centerline of the bearing. Products on this page: 600 series

[Features]· A thrust bearing which employs cylindrical rollers, wherein a single roller or two rows or three rows of rollers are arranged together. Can only tolerate axial loads, suitable for high load applications with increased axial rigidity.

Designed as a thin wall type, the SL Model double-row cylindrical roller bearing supports enormous radial and impact loads. Therefore, it is ideal for use in parts subject to medium low-speed large loads. This bearing has various uses, such as in construction machinery, vehicles, steel machinery and lifting equipment, etc.

Thrust roller bearing with single, double, three, and four-row series as well as their combinations.[Features]·Only axial loads can be received.·The large axial rigidity makes it ideal for high-load applications.[Application]Ideal for steel equipment, pumps, machine tools, wind power generation, etc.

[Features]·NKXR: With a needle roller type thrust bearing. Therefore, it can receive a larger axial load than NKX can·NKXR··Z: A type with a dust-proof cover attached to the thrust bearing for NKXR・ The dust-proof cover makes the thrust plate non-separable and integrated, so it is easy to handle

[Features]·The bearing combines rollers, a disk-shaped bearing ring, and a thrust retainer in which needle-shaped or cylindrical rollers are installed radially, and bears an unidirectional axial load.·A shaft and housing can also be used directly as a raceway without a bearing ring, which enables low-profile, lightweight and compact design structures.·This type of thrust roller bearing is not capable of performing a theoretically perfect rolling motion and will experience slippage on the raceway surface; however, in most cases, it does not hinder practical use and can rotate at a relatively high speed.

A roller bearing with a simple shape in which the cylindrical rollers and the raceway are in linear contact.[Features]·The friction between the rolling elements and the flange of bearing ring is small, making it ideal for high-speed rotation.·Thin wall yet capable to bear high loads.·Able to receive a larger radial load than a single-row bearing.[Application]·Ideal for spindles of machine tools that require thin-wall bearings.·Ideal for rolls of rolling machines, printing cylinders of printing machines, etc.

WS type raceway ring for thrust needle roller bearings