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Paper Machine Spare Part Breast Roll

The paper machine spare part breast roll is a critical component for the forming section of any paper mill machine. This paper machine spare part breast roll features a shell manufactured from high-quality mild steel seamless pipe, ensuring excellent strength and durability. The end journals of this paper machine spare part breast roll are forged from EN-19 steel with a taper design that eliminates the need for a sleeve, making installation and maintenance simple.

The paper machine spare part breast roll is fully assembled with heavy-duty spherical roller bearings from SKF or FAG and robust cast iron bearing housings made from GG 25. The bearing housings of this paper machine spare part breast roll are water-sealed with covers and watertight labyrinth seals, providing superior protection against moisture and contaminants. The roll ends are fitted with stainless steel 304 end caps for enhanced corrosion resistance. The paper machine spare part breast roll surface is covered with a premium black diamond rubber covering that delivers exceptional wear resistance and superior sheet release properties. Each paper machine spare part breast roll undergoes precision dynamic balancing and is supplied with complete material test reports and balancing certificates.

Main Technical Specifications of Breast Roll

Component Specification
Shell Material Mild Steel Seamless Pipe
Shell Outer Diameter 690 mm ±1 mm
Shell Thickness 31 mm ±1 mm
Face Length 4650 mm
Shaft Material Forged EN-19 Steel, Tapered, Sleeveless
Bearing Type 23238 CCK/W33 – SKF / FAG
Bearing Housing Cast Iron – GG 25
Covering Material Black Diamond Rubber
Covering Thickness 15 mm ±1 mm
Covering Hardness 100 ±2° Shore A / 0-1 P&J
End Caps SS-304
Splash Rings Gunmetal

Our paper machine spare part breast roll is designed for easy integration into any paper making line. When you choose our paper machine spare part breast roll, you receive full technical support and installation guidance. We provide thorough documentation including material test reports and dynamic balancing certificates with every paper machine spare part breast roll. Our paper machine spare part breast roll is backed by responsive after-sales technical support with readily available spare parts. For further information on how our paper machine spare part breast roll can benefit your paper processing line or turnkey paper production line, please reach out to us at leizhanworld@gmail.com.