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| Brand Name : | LONGWELL |
| Model Number : | Oil Drilling Mud Pump |
| Certification : | API-7K |
| Payment Terms : | T/T 30%DP, balabce before ship |
| Supply Ability : | 1000 PCS per Month |
The crankshaft assembly consists of crankshaft, big gear rim, connecting rod, crankshaft bearing and connecting rod bearing (eccentric) etc. It is installed on frame through self-aligning roller bearing.
The crankshaft is an integral cast eccentric shaft. The 3 cranks
locate at 360 degrees equally.

The left and right spiral gear rings are integrated to become a
herringbone gear rim without cutting groove, which is installed on
crankshaft with bolts.
The 3 big end bearings of connecting rod are single row short
cylindrical roller bearings installed respectively at three
eccentric cranks.
The connecting rod small end is connected to the crosshead pin
through double row long cylindrical roller bearing.

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