Spherical Roller Bearing from WZA

Spherical roller bearings have two rows of symmetrical rollers, a common sphered outer ring raceway and two inner ring raceways inclined at an angle to the bearing axis. The centre point of the sphere in the outer ring raceway is at the bearing axis.

WZA adopt BAINITE QUENCHING and MARTENSITIC QUENCHING, WZA spherical roller bearings have been heat treated such, so they can be used up to an operating temperature of 200 掳C. However, if the self-aligning roller bearings are provided with a polyamide cage, the temperature limit of the cage (max. 120 掳C permanent temperature) should be taken into account. The standard versions of WZA spherical roller bearings are supplied with brass cage type MB, CA, and steel cage type CC AND E. Mainly is CC AND MB cage which have large stock.

The inside diameter is from 20mm to 700mm. The bearings are widely used for Mining, Steel, oil, cement, construction, papermaking, rolling mill, vibrating screens, conveyors, air blower, transmissions, and other heavy machinery. WZA also supply OEM service, and design products according to your drawings or samples as well.

With registered capital of RMB10 million, our factory covers an area 10, 200 square meters and 205 staffs which include 35 technicians. WZA use advanced Germany technology and design do BEST spherical roller bearing. WZA currently has advanced equipment, a reliable quality controlling system and a highly spiritual management team, thereby providing a further guarantee of product and service quality. Insisting on the spirit of "Quality First, Honesty First", we sincerely welcome customers from both at home and abroad to cooperate with us for mutual benefits.