Return Idler – CEMA B Rating, 4 in Roll Diameter, 18 in Belt Width | B4-R-18SB

B4-R-18SB RETURN IDLER Conforms to CEMA standards for dimensions and meets or exceeds series load ratings Designed and manufactured for a long, trouble-free life High-quality sealed ball bearings Maintenance-free, long lasting contact seal system safeguarding from contaminants