[cpfong@mail ~/tmp/trash] which find
/usr/bin/find

touch '1 .a1.txt.bak'
touch '2.b2.txt.bak'

# adding \ to each (even space)
find . -name "*.bak" -type f -print |  sed 's/./\\&/g' | xargs rm -f

# note exec better than xargs (since each exec cmd has its own parameter, xargs just input a long argument)
[cpfong@mail ~/tmp/trash] find . -name "*.doc" -type f -exec ls '{}' +

find ~cpfong/* -name "*.doc" -exec rm -f         '{}' +
find ~cpfong/* -name "*.doc" -exec printf "%s\n" '{}' +