Jungheinrich parts sold through dealer network are usually very expensive, although the offer from your dealer is pretty cool ;-)
Jungheinrich pricelist shows 224,54 Euro.
I think you have some TVH offices in KS, IL, CA, SC, PA, LA.
The dealer wants 200 Euro ($265) in the USA for the chain. The hydraulic tank failed due to a chemical reaction caused by cleaning chemicals used in the customers manufacturing process and that was $777. :-(
According to the catalogue the p/n is 52020230.
You should consider the purchase of some new bolts
p/n is 05025487
For about 100 Euro you can have premium (original Rexnord) value chain in TVH.