Marine Watertight Lower Rudder Bearing CB*790-87
This product is marine watertight lower rudder bearing approved by CB*790-87 standard .
It usually used together with roller upper rudder bearing and it has good effect of sand prevention .There
are two types of this kind of lower rudder bearing . Type A and type BA . Our products are certified by certificates such as CCS , BV , GL , ABS , ETC .
We can offer certificate according to customer's demand