roller
1.Alloy cast iron roller
2.Material of bulkhead is HT250
3.Shafthead material:45#&40GrMo

 roller

1.Alloy cast iron roller
2.Material of bulkhead is HT250
3.Shafthead material:45#&40GrMo  

4.Diameter:300-1000mm

5.Length:800-10000mm

6.Do accurate grinding on surface

7.Do dynamic balance,balnace speed is 1000m/min(according to the customer)
8.package:wooden box