Detailed Product Description
| Material: | 55SiMoVA Or 8620 | Row: | 7row Or 8 Row Or More |
|---|---|---|---|
| Application: | Oil Drilling Motor Or Downhole Motor | Customer: | Oil Company SLB,GE |
| ID: | 65mm | OD: | 128mm |
Product Description
The bearings in a mud motor at the end of a drill string would place a huge influence on productivity and reliability in terms of oil
drilling or gas drilling.The working condition of these mud motor bearings are extremely harsh: the bearings bear heavy axial and
shock loads, and they are also exposedwith highly abrasive mud.
• Special steel for all bearing components
• Full complement bearing
• Precision matched rings
• Unique bearing design to support heavy
• axial drilling loads
Bearings Dimensions Loading Weight
ISO d D B Dyn C stat C0
mm mm mm KN KN KG
128713 65 128 351,5 199,1 169,6 24,2
128916M 80 148 363,0 260,0 310,0 30,0
128718 90 142 550,0 206,4 226,8 35,2
128718М 90 142 550,0 230 253 35,0
128718KМ 90 142 451,0 230 269 29,6
128721К 105 165 505,5 272,5 300,0 42,4
128721М 105 165 505,5 323,2 405 43,2
128723 115 205 570,0 408,9 453,5 88,8
128723M 115 205 570,0 560,0 610,0 89,1
128726 130 205 788,0 465,7 530,2 102,0
128726M 130 205 788,0 630,0 690,0 105,6












