1. Welding the steel sprocket to the steel tube gives it the capacity to transmit high torque and meet the requirements for heavy duty transportation.
2. The bearing end cap consists of a precision ball bearing, a polymer housing and end cap seal. Combined they provide an attractive, smooth and quite running roller.
3. The design of the end cap protects the bearings by providing excellent resistance to dust and splashed water roller.
4.Temperature range: -5℃ ~ +40℃.
Please contact us if humidity out of this scope.