... motion bearing with the best prices and good quality. Needle Roller Bearing Materials: GCr15 Vibration Level: V1, V2, V3 Typical ... applications: Electric motors, OEM1)Drawn cup needle roller bearing: HK, BK, HK RS, HK 2RS, BK RS, ... Balls: Chrome steel or carbon structural steel Cover: Rubber or metal 3. Typical applications: Electric motors, automotive applications, home appliances ...