Square Rollers 

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• Materials - Carbon Steel / Stainless Steel

• Bearing Housing - Polymide Molded

• Roller Size. - 50 x 50  x 1.6mm thick & 60 x 60 x 1.6mm thick

• Sprocket - 1/2" x 14z

• Surface Treatments for Carbon steel -  Zinc Plated, Chrome plated

• Surface Treatment for SS - Mirror Polished

• Works at Room Temp

• BF = RL + 65

• SL = RL + 67 Minimum​