Kelly drive bushing
* The roller Kelly bushing is designed and manufactured in accordance with API 7K and other technical standards.
* The loaded parts are made of good-quality alloy steel.
* A new structural design can insure a quick replacement of roller¡¯s wheel.
Main technical specification for roller bushing
Applicable scope |
3'' -6'' kelly |
Max torque (ft.lbf) |
20000 |
Driving mode |
4 pins or square pins |
Overall dimension (in) |
25x25x29 |
Weight (lbs) |
1587 |

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