Combined Bearing/ Needle bearings, NX Series, NX-Z Series Main types: NX7 TN NX7 ZTN NX10 NX10 Z NX12 NX12 Z NX15 NX15 Z NX17 NX17 Z NX20 NX20 Z NX25 NX25 Z NX30 NX30 Z NX35 NX35 Z The axial cages are made of plastic,permissible operating temperature:120°C(continuous operation). 1)Minimum axial load Fa=1%to2% of the axial dynamic load rating C. 2)Limiting speed oil lubrication.For grease lubrication,60% of the values given in the table is permissible. 3)lnner rings and snag ring grooves must be orderd sepately