Dynabrade 57054 Rear Ring Motor Assembly Component

The Dynabrade 57054 Rear Ring is a genuine OEM replacement part designed for use in Dynabrade pneumatic orbital sanders and finishing tools. This precision-engineered component is a critical element of the motor assembly system, working in conjunction with the front ring to secure the motor's internal components within the tool housing.

Key Features:

• Genuine Dynabrade OEM replacement part ensuring exact fit and quality
• Works with front ring (57055) to secure motor assembly
• Features integrated legs and fingers that align with corresponding components
• Designed with precision cut-outs that align with square holes in cylinder/end plate assembly
• Fits over rear bearing plate and line-up pin during motor assembly
• Compatible with multiple Dynabrade orbital sander models including Dynorbital Supreme, Mini-Dynorbital Supreme, and Dynabug series

Application:

• Used in random orbital sanders
• Compatible with vacuum and non-vacuum models
• Essential component in motor tune-up and repair procedures
• Included in various Dynabrade repair and tune-up kits

This rear ring is designed for professional use and should be installed following Dynabrade's disassembly and assembly instructions. Proper alignment of the ring's legs, fingers, and cut-outs is critical for correct motor operation. When replacing, ensure all components are clean and in good repair before reassembly.