External Gear Double Row Four Point Angular Contact Slewing Ball Bearing 021.40.1800

    Double-row equal-diameter ball slewing bearings are mainly used in wind power equipment and concrete pump trucks. In wind power equipment, the bearing is installed at the root of the propeller to change the pitch. The clearance is required to be zero or negative, the starting friction torque is large, and the rotation accuracy is high. In terms of its own characteristics, this bearing has a compact structure, which effectively saves the center diameter of the inner and outer ring mounting holes and improves the carrying capacity at the same time.

   Double row different ball diameter slewing bearing can support high static loads with simple structures.They are mainly used in situations with variational load position and direction and continuously rotating.Main applications of this kind ofbearings are deck hoisting,mining and material handling etc.

LYJW External Gear Double Row Four Point Angular Contact Slewing Ball Bearing 021.40.1800

1 Q:Are you a factory or trading company?
A:We are a factory, we have our own factory and warehouse.

2 Q:Do you provide samples ?
A:Yes,we can send samples for free, you just need pay for the freight cost.

3 Q:What is your MOQ?
A:For common bearing model,our MOQ is 1pcs.

4 Q:Could you accept OEM and customize about bearings?
A:Yes,we can customize for client according to your samples or drawing.

5 Q:How long is your delivery time?

A:Generally within 7~10 days after confirm, it will be 30-50 days if the goods are not in stock , The specific time need refer to the quantity.