Rock Crushers: OnlineCart for RC1 Rock Crusher. $179.95 · 3-Stage Rock Crusher Quick View. 3-Stage Rock Crusher. $9,950.00 · Keene Gas Powered Rock Crusher Quick View.catalog of rock crushers,Rock Crushing | American Roller BearingsRock crushers break large stones into smaller stones/pebbles by causing continual impact on the raw material. American cylindrical roller bearings are used in.