This is Ada from Henan bothfriends bearing co, . Ltd which is a combination of manufacturing and imp & exp bearing company. Our complete bearing production process make sure the quality of the products can meet customer's requirement strictly in accordance with the international standard. Assembly- Windage test- Cleaning- Rotary test- Greasing and gland- Noise and vibration inspection- Appearance inspection- Rust prevention- Lubrication-Packing. 1. Low noise and vibration 2. Best and reasonable price 3. OEM and stock can be available 4. High pricision and long life service Any question or more commucation about the bearing, my pleasure to get your message.