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RB11015UUCC0P5 RB11015UUCC0P4 110*145*15mm with cross roller
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New improved version AKL-150Y water borehole drilling machine
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PDC bearing Diamond Thrust bearing mud motor drolling bearing 26*91.5*148mm
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PDC bearing Diamond bearing PDC Thrust bearing 124 x80 x 26mm
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2019 new type AKL-150Y diesel engine top drive water well drilling machine
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RB14025UUCC0P5 RB14025UUCC0P4 140*200*25mm crossed roller bearing,harmonic drive wave generator bearing