Thumbnail Filmstrip of TBS-4105 Idler - 6" ( 4-1/2" ID inside the outer flange) 5/8" ID of Bearings not for RCD Idler Images
Blower 6" Idler Pulley Assembly ( 6" OD )
If your belt is too loose , theis may be a way to fix it without changing pulleys.
Helps push belt out of the way to clear accessories.
With Bearings and seals
5-1/2" OD - 4-1/2" ID inside the outer flange Can be used with Blowers that have been raised up to work with a 1696 mm belt.
Helps in situations where belt is too long