The catalogue contains a list of LKF Adapter Sleeves together with suitable lock nuts, locking devices and the number of bearings for which the sleeves would be suitable. The range is from 04 to 44 both inclusive. The catalogue contains a list of LKF Adapter Sleeves together with suitable lock nuts, locking devices and the number of bearings for which the sleeves would be suitable. The range is from 04 to 44 both inclusive.