1950	Bears 32-20 (in SF) Bears 17-0 (@Chi)
1951	Bears 13-7 (@Chi)
1952	49ers 40-16 (@Chi) Bears 20-17 (in SF)
1953	49ers 35-28 (@Chi) 49ers 24-14 (in SF)
1954	49ers 31-24 (@Chi) Bears 31-27 (in SF)
1955	49ers 20-19 (@Chi) Bears 34-23 (in SF)
1956	Bears 31-7 (@Chi) Bears 38-21 (in SF)
1957	49ers 21-17 (@Chi) 49ers 21-17 (in SF)
1958	Bears 28-6 (@Chi) Bears 27-14 (in SF)
1959	49ers 20-17 (in SF) Bears 14-3 (@Chi)
1960	Bears 27-10 (@Chi) 49ers 25-7 (in SF)
1961	Bears 31-0 (@Chi) 49ers 41-31 (in SF)
1962	Bears 30-14 (in SF) 49ers 34-27 (@Chi)
1963	49ers 20-14 (in SF) Bears 27-7 (@Chi)
1964	49ers 31-21 (in SF) Bears 23-21 (@Chi)
1965	49ers 52-24 (in SF) Bears 61-20 (@Chi)
1966	TIE 30-30 (@Chi) 49ers 41-14 (in SF)
1967	Bears 28-14 (in SF)
1968	Bears 27-19 (in SF)
1969	49ers 42-21 (in SF)
1970	49ers 37-16 (@Chi)
1971	49ers 13-0 (in SF)
1972	49ers 34-21 (@Chi)
1974	49ers 34-0 (@Chi)
1975	49ers 31-3 (in SF)
1976	Bears 19-12 (in SF)
1978	Bears 16-13 (in SF)
1979	Bears 28-27 (in SF)
1981	49ers 28-17 (in SF)
1983	Bears 13-3 (@Chi)
1984	49ers 23-0 (in SF) Postseason
1985	Bears 26-10 (in SF)
1987	49ers 41-0 (in SF)
1988	Bears 10-9 (@Chi) 49ers 28-3 (@Chi)* *Postseason
1989	49ers 26-0 (in SF)
1991	49ers 52-14 (in SF)
1994	49ers 44-15 (in SF) Postseason
2000	49ers 17-0 (in SF)
2001	Bears 37-31 OT (@Chi)
2003	49ers 49-7 (in SF)
2004	Bears 23-13 (@ Chi)
2005	Bears 17-9 (@ Chi)
2006	Bears 41-10 (@ Chi)

The 49ers are 30-29-1 lifetime against the Bears