The balance shaft can alternately comprise steel or {HEAD ~ cast iron material} in the case of {TAIL ~ a friction mounting} and its bearing journals can alternately be implemented as hardened or also unhardened 
The balance shaft can alternately comprise steel or { HEAD ~ cast iron material } in the case of { TAIL ~ a friction mounting } and its bearing journals can alternately be implemented as hardened or also unhardened
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH