ZWZ railway bearing production has a history of over 50 years. The company is the only enterprise to manufacture bearings in batches for locomotives, passenger cars, freight cars, overhaul, subways, light rails.
At present, China railway has entered a period of rapid development, it is the target for Chinese bearings to develop the bearings with independent intellectual property rights. In order to meet the requirement of China heavy load and high speed railway development, ZWZ has developed its own main shaft and overloaded truck bearings according to the operation conditions, bearing life and extreme conditions. And these bearings ranked first in many trail bearing comprehensive evaluations.
Product Model | Inside Diameter | Outside Diameter | Thickness |
SB150220120 IKO | 150 | 220 | 120 |
SB8013070 IKO | 80 | 130 | 70 |