128718M mud lubricated thrust bearings
128718M mud lubricated thrust bearings
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Basic Infomation
Place of Origin: LUOYANG
Brand Name: MONTON
Certification: ISO9001
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angular contact bearings

Payment & Shipping Terms
Packaging Details: Single box/Wooden case
Delivery Time: 7-35 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Product Description

128718M mud lubricated thrust bearings

Bearings Dimensions Loading Weight
ISO d D B Dyn C stat C0 kg
  mm mm mm KN KN KG
128718 90 142 550 206.4 226.8 35.2
128718М 90 142 550 230 253 35

Whether you’re drilling for oil or gas, the bearings in a mud motor at the end of a drill string have a direct impact on productivity and reliability. These mud motor bearings have to endure extreme operating conditions. In addition to severe axial and shock loads, these bearings are “lubricated” with highly abrasive mud, which for a bearing is the definition of an extreme operating condition. How the new bearing works The typical mud motor bearing contains between 8 and 12 rows for design optimization. When the bearing is new, the majority of the load is accommodated by the first four or five rows (fig. 1). As each row starts to wear, the load is shifted to the next row (fig. 2) and the next (fig. 3) until all the rows are worn equally. Then, the load is shifted back to the first row and the process is repeated. This unique design enables the bearing to last significantly longer than previous bearing designs.



mud lubricated thrust bearings Product features 

Special steel for all bearing components 

Full complement bearing 

Precision matched rings 

Unique bearing design to support heavy axial drilling loads Customer benefits 

Improved wear-resistance 

Increased load carrying capacity 

Optimized load distribution 

Increased robustness

 Improved reliability

Customized design

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