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CB Casing bushing
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Our CU, CUL, CB and etc. Casing Bushings can handle casings from 23/8 to 30inch O.D.. Type CU & CUL are solid bushings and Type CB are split bushings. They are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment.
| Rotary Table Size | Model | Tubulars OD（in） | |||||||
| 23/8-85/8 | 95/8-103/4 | 113/4-133/8 | 16 | 185/8-20 | 24 | 26 | 30 | ||
| 171/2-201/2 | CU | Bushing 3102+insert Bowl 1809 | Bushing 3102+insert Bowl 1902 | Bushing 3102 | - | - | - | - | - |
| 271/2 | CUL | Bushing 3103+Insert Bowl 3105+1809 | Bushing 3103+Insert Bowl 3105+1902 | Bushing 3103+Insert Bowl 3105 | Bushing 3103+Insert Bowl 3104 | Bushing 3103 | - | - | - |
| 271/2 | CB | Bushing 6695+Insert Bowl 6126A+6115 | Bushing 6695+Insert Bowl 6126A+6114 | Bushing 6695+Insert Bowl 6126A | Bushing 6695+Insert Bowl 6127 | Bushing 6695 | - | - | - |
| 371/2 | Bushing（185/8-20in)+Insert Bowl 6126A+6115 | Bushing（185/8-20in)+Insert Bowl 6126A+6114 | Bushing（185/8-20in)+Insert Bowl 6126A | Bushing（185/8-20in)+Insert Bowl 6127 | Bushing（185/8-20min) | Bushing 11253 | Bushing 16454 | Bushing 11763 | |
| Note: size (185/8-20in including CB10187, CB10188, CB10189, CB11553. | |||||||||
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