128721M mud motor lubricated thrust bearings
1-pc
MOQ
USD
Price
128721M  mud motor lubricated thrust bearings
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Features
Basic Infomation
Place of Origin: LUOYANG
Brand Name: MONTON
Certification: ISO9001
Model Number: 128721M
High Light:

dental handpiece bearings

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non standard bearing

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
Specifications
Product Description

128721M mud motor lubricated thrust bearings

Bearings Dimensions Loading Weight
ISO d D B Dyn C stat C0 kg
  mm mm mm KN KN KG
128721К 105 165 505.5 272.5 300 42.4
128721М 105 165 505.5 323.2 405 43.2

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.

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