WQK BEARING use advanced Germany technology and design do BEST spherical roller bearing. WQK BEARING 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.

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.

WQK BEARING adopt BAINITE QUENCHING and MARTENSITIC QUENCHING, WQK BEARING spherical roller bearings have been heat treated such, so they can be used up to an operating temperature of 200 °C. However, if the self-aligning roller bearings are provided with a polyamide cage, the temperature limit of the cage (max. 120 °C permanent temperature) should be taken into account.