Rosta 06580903 RL27 Tensioning Roller For SE27 Tensioner is a permanently lubricated roller that utilizes premium 2Z C3 shielded bearings. It has a broad operating temperature range of -31° to + 212° degrees Fahrenheit.

RL27 Tensioning Roller Dimensions

• Type: RL27
• Article Number: 06580903
• Max Speed: 4500 RPM
• Maximum Belt Width: 2.17"
• Dimension (A): 2.36"
• Dimension (B): 2.36"
• Dimension (C): 0.31"
• Dimension (D): 0.87"
• Dimension (E): 0.31"
• Dimension (F): M12
• Torque Hex Nut: 63.4 (lb/ ft)
• Works With Tensioner Type: SE-27
• Weight: 1.10 LBS

Tensioning With Flat Roller on Belt Back

– The diameter of the flat tensioning roller should at least measure 2⁄3 of the diameter of the smallest pulley in the drive.
– The width of the tensioning roller should be at least 20% wider than the overall width of the belt set.
– Installation on the belt back in the slack span, make sure that the belts are maintaining sufficient contact-arc on the driver and driven pulley.