Street Address: Industry and Technology Zone Of Luoyang City
City: Luoyang
Province: Henan
Country/Region: China
Aluminum Manufacture
3. Four-point contact ball bearings Four-point contact ball bearings are separable bearings,in which,type QJ0000 has two-piece inner ring, type QJF0000 has two-piece outer ring, their contact angle are both 35°.When carrying pure radial loads,each ball contacts with rings at four-point, and they are two-point contact under pure axial loads.The bearings can carry axial loads in two directions and certain moment loads, and have the features of single-row and double-row angular contact ball bearings. They only can work normally in high speed when two-point contact is formed. Brass or aluminium solid cages are exactly suitable for four-point contact ball bearings.