Bearings available for Drilling Drawworks:
Bearing 35×72×17
Bearing 50×80×16
Bearing 65×100×18
Bearing 55×100×21
Bearing 190×340×92
Bearing 190×340×55
Bearing 200×360×98
Bearing 180×320×86
Bearing 190×290×75
Bearing 190×290×46
Bearing 160×290×80
Bearing 200×310×82
Jining Donghong Machinery Co., Ltd
www.dhparts.com
spareparts1960@foxmail.com
dh@dhparts.com
Mobile/WhatsApp: 0086-18954079939
Skype: spareparts1960
API OSHA IADC OPEC RIG ZONE WORLD OIL Drilling Formulas
