Three bank officials voiced support for taking a step back on rate increases.
The staff of the Federal Reserve appears to think the economy is running hotter than it originally thought.
Fed officials have made plain that it would take a lot to push them off the path to 4.5%.
The Federal Reserve chair said the central bank will not flinch in its efforts to curb inflation.
He said restoring inflation to the 2% target is the central bank's “overarching focus right now.”
The world is changing after years in which the chief worry was that inflation that was too low.
Fed officials see benchmark rates peaking next year at 3.8%.
The Federal Reserve raised interest rates by the most since 1994.
Inflation figures have surprised to the high side, pushing investors to increase bets on a 75 basis-point increase.
Minutes of the Fed's May meeting suggested policy flexibility later in the year.