We have about more than 30units API type C oil well pumping unit (pump jack ) in stock in Midland, USA.
Technical specs :
| Item | Unit Size | Crank Pin Bearing | Center Bearing | Equalizer Bearing | Seals used in Wrist Pin | Seals used in Equalizer Bearing | Seals used in Center Bearing | Crankshaft bearings | Intermediate Bearings | High Speed Shaft bearings |
| 1 | C912D-365-168TH | 22328C | 22340C | NJ240 | 130×160×12 | 190×220×15 | 200×230×15 | Bearing 22244CA | Bearing NU2330E | Bearing NU2324E |
| 2 | C640D-365-168TH | 22328C | 22340C | NJ240 | 130×160×12 | 190×220×15 | 200×230×15 | Bearing 22244CA | Bearing NU2326 | Bearing NU2322M |
| 3 | C640D-365-144TH | 22328C | 22340C | NJ240 | 130×160×12 | 190×220×15 | 200×230×15 | Bearing 22244CA | Bearing NU2326 | Bearing NU2322M |
| 4 | C456D-305-144TH | 22328C | 22336C | NJ2334 | 130×160×12 | 160×190×15 | 170×200×15 | Bearing 22244CA | Bearing NU2326M | Bearing NU2322M |
| 5 | C320D-305-120TH | 22322C | 22330C | NJ2330E | 110×140×12 | 160×190×15 | 170×200×15 | Bearing 22238CA | Bearing NU2224E | Bearing NU2320E |
| 6 | C320D-305-100TH | 22322C | 22330C | NJ2330E | 110×140×12 | 160×190×15 | 170×200×15 | Bearing 22238CA | Bearing NU2224E | Bearing NU2320E |
| 7 | C320D-256-120TH | 22322C | 22330C | NJ2330E | 110×140×12 | 140×170×15 | 170×200×15 | Bearing 22238CA | Bearing NU2224E | Bearing NU2320E |
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