Spherical Roller Bearings-3-JOYS Bearing

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Spherical Roller Bearings

Spherical roller bearings consist of an outer ring having a continuous spherical raceway and two rows of barrel-shaped rollers guided by an inner ring with two raceways. This bearing has self-aligning properties, and therefore is suited for use where misalignment between the inner and outer rings occurs from housing installation error or shaft bending.

Spherical roller bearings have a large capacity for radial loads, axial loads in either direction, and combined loads. They are also suited for applications where ibration and shock loads are encountered.

Mostly SRB are used on the applications as:

Wind energy

Mining, mineral processing and cement

Material handling

Pulp and paper

Industrial transmission

Metals

Marine

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All SRB are available with the option of a tapered bore. Depending on the bearing series, the tapered bore has:

• a taper 1:12 (designation suffix K)

• a taper 1:30 (designation suffix K30)

C or EC design bearings:

-have two stamped window-type steel cages, an inner ring without flanges and a floating guide ring centred on the inner ring.

- EC design bearings have reinforced rollers, which increase load capacity.

CA or ECA design bearings:

-have a machined double prong-type brass cage, an inner ring with a retaining flange on both sides and a floating guide ring centred on the inner ring.

Annular groove and lubrication holes

CC and CA design bearings are available with an annular groove and three lubrication holes in the outer ring (designation suffix W33) or three lubrication holes in the outer ring (designation suffix W20).

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