That is not the Catholic tenet of Christianity. Catholic teaching is hell is real, and it is described as a chosen existence apart from God. As Jews choose God in this life, I find it doubtful they will choose existing apart from God in the next.
Catholicism also points to the eternal Covenants God has with the Jewish people. John also describes Jesus as the Word of God. Jews follows the Word of God closely. Catholicism also teaches we do not know who--if anyone--is in hell. That knowledge is not for us. The knowledge we do have is that it is our duty to proclaim the Good News and those this news does not reach for any reason are in the hands of a merciful and loving God. This takes us back to each individual either chooses God or chooses to be apart from God.
Encouraging people to discern the will of God and follow it; to seek and they shall find God; to listen to the Word of God and to follow His ways is directing them to God, not to life apart from God. Further, the study of Judaism and the study of the Bible, especially through the clear eyes of the Jewish perspective, enriches Christianity and brings awe into understanding God's plan and all the work He has done and is continuing to do, towards its fulfillment.
One has the understand the Jewish perspective of Christ. The Israelites suffered disaster upon disaster when worshiping idols. One God is drilled into their very being. They cannot fathom God's Word becoming human, or this one human, because he is also Word, being divine. Just as there are sights, smells, and sounds dogs can discern that humans cannot, Jews' spiritual training has them focused closely on God as spirit, never physical. Worship is only for God who is spirit. There is no perception past that. And, anything else is idolatry and their loyalty to God is total.
Meanwhile Christians live in awe of what God did/is still doing through Christ and the Holy Spirit.
As God judges the human heart, I have no fear on behalf of people seeking Him through another faith. My own witness remains with the Catholic faith which is the faith that dropped me into the arms of God.