Laufrolle f
bearing roller
bobbins spool
caster chair
caster
castor
chain roller
crane wheel
grid block
idler pulley
idler
jockey wheel
pulley wheel
pulley
roller wheel
roller [of bicycle rear derailleur; wheel or pulley, usually idle]
runner
scanning roll
sheave
support roller
track roller
track wheel
tread roller
trolley
wheel for table