Rock Bit
Features of Bearing Series
X-Series Bearing/M-Series Bearing | XZ-Series Bearing | MZ-Series Bearing
X-Series Bearing (Sealed Journal, 4-3/4" to 17-1/2")
M-Series Bearing (Sealed Journal : Motor, 4-3/4" to 15-1/2")
Performance
- This type has the best bearing performance of all the bit bearing types manufactured by TSK.
- As this floating journal bearing is designed using bearing metal having excellent anti-galling.
Structure
- This bearing has a nose-pin floating bushing, a thrust washer, a ball bearing, a journal floating bushing and a special seal.
- The floating bushing and the thrust washer are made of bearing metal that has been correctly heat treated, polished, and coated with a solid lubricant.
- The seal has been specially developed for high-speed rotary motor drilling.
XZ-Series Bearing (Sealed Roller/Floating, 9-5/8" to 17-1/2")
Performance
This type is highly suited for high-speed rotary drilling.
Structure
- This bearing has a nose-pin floating bushing, a thrust washer, a ball bearing, a journal roller bearing and a special seal.
- As less heat is generated by flangeless roller bearings polished on all surfaces, this bearing is well suited for high-speed rotary drilling.
- The seal has been specially developed for high-speed rotary drilling.
MZ-Series Bearing (Sealed Roller:Motor, 13-3/8" to 26")
Performance
This type has the performance needed for high-speed motor drilling.
Structure
- The bearing has a thrust button, a roller bearing, a thrust washer, a ball bearing and a special seal.
- Heat generation is minimized by the use of flangeless roller bearings polished on all surfaces. This bearing is well suited for motor drilling.
- The seal has been specially developed for motor drilling.