Roller

SR1002  R2-4-11N                                                                                                        SR1005   R2-4-10-S

          2"  11 ball nylon roller                                                                                                      2" 10 ball steel roller

         4'' galvanized plated stem                                                                                               4''  galvanized plated stem

         Bulged shoulder                                                                                                               Hardened races

        Rating:35-lb load @ 15,000 8' door cycles                                                                   Rating:75-lb load @ 15000 12' door cycles