Putzmeister outer housing is a special bearing seat that can accept comprehensive load. Its main function is to support and fix the bearing, so that the shaft and its connecting parts have a certain positional relationship. It is a key parts for S valve tube.
Putzmeister outer housing is made of HT200 steel, which have high strength, good casting performance and shock absorption performance.
| C | S | P | Mn | Si |
| 3.0～3.6 | ≤0.12 | <0.15 | 0.6～1.0 | 1.4～2.0 |
| Item | Part Number |
| 1 | 240391003 |
| 2 | 576811 |