R45 Rosta Tensioning Roller for Belt Tensioners

R45 Rosta Tensioning Roller for Belt Tensioners

Can be used with ROSTA tensioning arm SE45 (sold separately or as complete assemblies).

ROSTA Tensioner Devices - Maintenance-free tensioner systems for belt and chain drives. Easy to install, available in a range of standard sizes to suit various chain and belt sizes, wide range of accessories available.

Benefits from using ROSTA Tensioner Devices:

• Adjustable Tensioning Force using torsion angle scale
• Transmits a constant torque
• Prevents the polygon effect in chain drives
• Increases the chain contact arc
• Cause the slack side of the chain drive to run tautly which reduces noise

R45 dimension chart - all dimensions in mm unless indicated.

Max Speed	Max Belt Width	A	B	C	D	E	F	Tensioning Arm
4500	130	90	135	10	27	12	M20	SE45