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Commonly used with metric o-rings, these back-up rings are made of virgin PTFE unless suffix specifies otherwise.

PTFE Material | 210 MM Nominal Inner Diameter | 5 MM Cross Section | Backup Ring

Features

• High strength and abrasion resistance
• Wide temperature range
• Chemical resistance
• Low friction
• Easy installation

Commonly used with metric o-rings, these back-up rings are made of virgin PTFE unless suffix specifies otherwise.

PTFE Material | 210 MM Nominal Inner Diameter | 7.5 MM Cross Section | Backup Ring

Features

• High strength and abrasion resistance
• Wide temperature range
• Chemical resistance
• Low friction
• Easy installation

Commonly used with metric o-rings, these back-up rings are made of virgin PTFE unless suffix specifies otherwise.

PTFE Material | 210 MM Nominal Inner Diameter | 7.5 MM Cross Section | Backup Ring

Features

• High strength and abrasion resistance
• Wide temperature range
• Chemical resistance
• Low friction
• Easy installation

WRFA bearings are manufactured of an extremely abrasion-resistant and low-friction POM-PTFE Bronze compound. Rings are split for easy installation and multiple rings may be arranged adjacent to each other with joints staggered. These are genuine Hunger® parts.

POM – PTFE/Bronze Material | 210 MM Nominal Inner Diameter | Wear Ring

Features

• Protection Against Wear
• Reduced Friction
• Extended Cylinder Life
• Operational Efficiency