128809K 45*85*220mm DOWNHOLE DRILLING MOTOR BEARINGS
The 128809K bearing is a Mud Motor Bearings with an inner diameter of 45 mm , an outer diameter of 85 mm, a width of 220 mm. It typically uses P4 grade precision tolerances and Gcr15 balls, Gcr15 rings. It primarily bears Radial, Its dynamic radial rated load is approximately 7.1, its static radial rated load is approximately 5.83. It uses C0 standard radial clearance, Rubber. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Feature: angular contact
Application: harmonic drive
128809K 45*85*220mm DOWNHOLE DRILLING MOTOR BEARINGS
| Model of Drilling Tools | Bearings | d | D | H |
| LZ102 | 128809K | 45 | 85 | 220 |
Our main bearings products including bearings of petroleum screw drilling tools, equal-wall-thickness rubber stator of petroleum screw drilling tools, roller bearings(bearing roll),55SiMoVa or 8620 steel ball of three-roller rock bit, roller, thrust block and pad as well as hobbing cutter shaft of coal mine development, and main and supporting components and parts of construction machinery. The bearings for petroleum screw drilling tools(multi-row thrust ball bearings)are our leading products developed and filled the gap of China in 1980s.Up to now, there are more than 20 series including over 200 models.
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.
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