TY JOUR TI SPHERICAL ROLLER GEAR WITH DOUBLE-ROW PINION: POWER COMPUTATIONS AND PERFORMANCE COMPUTATION KW spherical roller gear KW SRG KW double-row pinion KW power analysis KW performance JO Bulletin of Bryansk state technical university AU Lustenkov, M.E. AU Lustenkova, :.S. PY 2019 IS 2019 PB Bryansk State Technical University