Needle Roller Bearing Hoist Anti-Falling Safety Equipment with Reinforcing Ribs

Advantage for  Tongfeng patent-based anti-fall safety device:

1.Use the needle roller bearing:  
1) Increase loading capacity
2) Improve the wear resistance strength
3) Greatly reduce the noise.

2. Sealing ring is designed at the both ends of the bearing
1) To prevent dust and keep clean
2) To save grease and make new product do not need to be added lubricant within 1 year
3) Greatly lower the maintenance cost

3. Balance corrected the centrifugal speed limiter
1) Reduce the vibration and operation noise
2) Increase the working life
3)The function is particular evident for middle high construction hoist elevator