21100-78177-71 : CARBURETOR - GAS Brake Shoes Models are protected for 2

21100 78177 71 : CARBURETOR GAS Brake Shoes Models are protected for 2 Models are protected for 2 times battery voltage and or reverse polarity consisting of: Cone (inner ring) Cup (outer ring) Tapered rollers Cage (to guide and retain the rollers) **Key Features:** Conical shape for efficient load distribution Handles both radial and axial loads simultaneously Tapered geometry allows for easy adjustment of bearing clearance during installation Line contact between rollers and raceways for even load distribution Separable two piece design for optimized internal clearance **Performance Characteristics:** Designed for lower speed