ApplicationMud lubricating bearings for drill motorStructure Type: Angular Contact Brand Name: ZYS bearingBore Size: 18- 130 （mm）Outside:30 - 255 （mm）Precision Rating: P0 （ABEC1）Seals Type: Not sealedNumber of Row: 3-12 RowPlace of Origin: LuoyangBreadth: 50-220mmApplication: Drilling for oil and gasProduct DescriptionWhether you’re drilling for oil or gas,Website:://.zys-bearing.com, the bearings in a mud motor at the end of a drill string have a direct impact on productivity and reliability. The mud motor bearing must endure extreme operating conditions. In addition to severe axial and shock loads, these bearings are “lubricated” with highly abrasive mud, which for a bearing is the definition of an extreme operating condition.FeaturesAll bearing components are Special steel Full complement bearingPrecision matched ringsUnique bearing design to support heavyAxial drilling loads