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The slewing bearing is a special bearing that can withstand a large load such as large axial load, radial load, and tilting moment. Therefore, when selecting the slewing bearing it must be strictly selected according to the calculation data! Slewing bearing also known as slewing ring bearing,turntable bearing.It contain outer ring, inner ring,rolling body,seals.The material of our products are generally high alloy-structural steels ,such as 42CrMo 50Mn.The slewing bearing can work normally at a temperature of -30℃ to +70℃,and we can design special type as customer need.
Fast forwarding to today’s modern crane, most use a large diameter bearing commonly referred to as a slewing ring as a means of rotating the main structure. Slewing rings comprise an inner and outer race, one of which generally has an integral gear. Typical slewing rings range in size from approximately 300mm to 5m in diameter. A slewing ring rotates by means of balls or rollers contained within the races. There are several advantages to the slewing ring configuration over the king post style for use on cranes:
For the crane use slewing bearing, we should pay more attention to the following tips:
Visually inspect the bolts on the slewing ring before each work or at least once a week;
After the slewing bearing has just started working for 100 working hours, check whether the bolts are loose, check again in the 300th working hour; check every 500 working hours in the future; shorten the inspection interval in bad working conditions. If the bolt is loose during the inspection, please stop the construction work and immediately contact the local after-sales service department. The crane manufacturer or professional technician will make an inspection and decide whether to dismantle and inspect it immediately.
The slewing bearing is filled with lithium-based grease before installation.
When replacing the bolts, wipe the bolts clean, apply the thread fastening rubber and tighten them; use the crane according to the requirements of the operation manual and the lifting performance table, or check the fastening bolts regularly according to the requirements, so as to avoid the fatigue damage of the bolts.
Please download our catalogue Click here.
If you have any demand for slewing bearing, just feel free to tell me!
The slewing bearing is a special bearing that can withstand a large load such as large axial load, radial load, and tilting moment. Therefore, when selecting the slewing bearing it must be strictly selected according to the calculation data! Slewing bearing also known as slewing ring bearing,turntable bearing.It contain outer ring, inner ring,rolling body,seals.The material of our products are generally high alloy-structural steels ,such as 42CrMo 50Mn.The slewing bearing can work normally at a temperature of -30℃ to +70℃,and we can design special type as customer need.
Fast forwarding to today’s modern crane, most use a large diameter bearing commonly referred to as a slewing ring as a means of rotating the main structure. Slewing rings comprise an inner and outer race, one of which generally has an integral gear. Typical slewing rings range in size from approximately 300mm to 5m in diameter. A slewing ring rotates by means of balls or rollers contained within the races. There are several advantages to the slewing ring configuration over the king post style for use on cranes:
For the crane use slewing bearing, we should pay more attention to the following tips:
Visually inspect the bolts on the slewing ring before each work or at least once a week;
After the slewing bearing has just started working for 100 working hours, check whether the bolts are loose, check again in the 300th working hour; check every 500 working hours in the future; shorten the inspection interval in bad working conditions. If the bolt is loose during the inspection, please stop the construction work and immediately contact the local after-sales service department. The crane manufacturer or professional technician will make an inspection and decide whether to dismantle and inspect it immediately.
The slewing bearing is filled with lithium-based grease before installation.
When replacing the bolts, wipe the bolts clean, apply the thread fastening rubber and tighten them; use the crane according to the requirements of the operation manual and the lifting performance table, or check the fastening bolts regularly according to the requirements, so as to avoid the fatigue damage of the bolts.
Please download our catalogue Click here.
If you have any demand for slewing bearing, just feel free to tell me!
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