Bush, who had six runs of 20-plus yards last year, will be the big-play threat on the ground in Joe Lombardi's new offense.
Bell is a tough, physical runner, who has terrific balance and is a load to bring down.
In the last two offseasons, the Lions have signed Bush to a four-year, $16 million contract and Bell to a three-year, $9.3 million deal.
Together they're as good of a combo the NFL features and Bush says the Lions will continue to benefit from featuring both of them in their backfield.
"We had a pretty good rotation going last offseason and we did some special things with that," he said. "So, I think it can only go up from there. You know, even if the workload is less for both of us, that's only going to help us toward the end of the season and help us to stay healthy, and probably play a little bit stronger and better toward the end of the season."
Bush carried the ball 223 times last year and finished with 1,006 yards (4.5 average) and four touchdowns.
Bell rushed 166 times for 650 yards (3.9 average) with eight touchdowns.
Lions running backs finished third in total yards (2,769) behind San Diego (2,843) and New England (2,776).
Bush said he's not worried at all that his workload might change in the Lions new scheme. Running backs coach Curtis Modkins is still on staff and Bush thinks the Lions will only build on the solid numbers they put up on the ground last year.
"Joique is a great player and I think what me and him have going right now is pretty good," Bush said. "Hopefully, we can build on what we were able to put together last year, but I don't think we're worried at all about the workload. I think we both work hard enough throughout the offseason to prepare ourselves for a heavy workload."