Bellamy fired home in the 21st minute and Jay Emmanuel-Thomas added a second after 71 as Dave Jones’ men beat rock-bottom Sheffield United 2-0 at Bramall Lane.
QPR took another giant stride towards the Premier League with Adel Taarabt’s first-minute strike enough to beat Barnsley at Oakwell and move Neil Warnock’s men 10 points clear.
Norwich took a second-minute lead through Sam Vokes at Watford but Danny Graham and Don Cowie replied for the home side and the Canaries needed Simeon Jackson to earn them a 2-2 draw.
The Swans also led through a 63rd-minute Mark Gower strike but Corry Evans’ equaliser seven minutes later gave Hull a 1-1 draw.
Reading stay in the play-off zone with second-half goals from Irish duo Shane Long and Ian Harte handing the Royals a 2-0 win at Scunthorpe.
Leeds slipped up again, blowing Max Gradel’s 58th-minute opener at Derby, who replied through Jamie Ward and Ben Davies for a 2-1 win. Millwall were held 0-0 at home to Bristol City. Notts Forest are on the brink of the top six with a 2-0 win over Burnley.
Crystal Palace edged closer to safety in a 1-1 draw at Leicester with Sean Scannell’s opener for the visitors cancelled out by Matt Oakley.
Second-bottom Preston drew 1-1 at Doncaster while Ipswich claimed a 3-3 draw with Boro at Portman Road. Coventry beat Portsmouth 3-0.
l Brighton secured promotion from npower League One after a 4-3 home win over Dagenham and Redbridge.