Premium Quality High-Speed 12mm Hub Ball Bearing for E-Rickshaw and E-Vehicles 2RS 6203 (Pack of 20)

• Model Number: 6203-2RS
• Inner Diameter (Bore): 17 mm
• Outer Diameter: 40 mm  
• Thickness / Width: 12 mm  
• Enclosure Type: Double Side Contact Rubber Sealed (2RS)  
• Material Composition: Steel  
• Lubrication Type: Factory Pre-Greased with High-Temperature Lithium Grease  Tolerance 
• Class: P0 / ABEC-1 Premium Quality  
• Clearance Rating: CN (Normal Internal Clearance)
• Limiting Operational Speed: 12,000 RPM (Greased) 

Features

• High-Grade Chrome Steel Structure: Hardened GCr15 bearing steel composition provides superior mechanical strength and localized wear resistance under sustained load stresses.  
• Dual-Lip 2RS Protection: Equipped with dual-sided synthetic rubber contact seals to optimize internal lubricant retention and securely seal out external debris.
• Acoustic and Thermal Dampening: Precision-machined steel balls ensure low-vibration performance and minimize thermal spikes during continuous operating cycles.
• Factory Optimized Pre-Lubrication: Packed with specialized anti-wear lithium complex grease designed to withstand severe shear stress and moisture exposure.  
• Radial and Axial Handling: Symmetrical raceway grooves smoothly absorb shifting directional weights from bumpy road terrains and turning maneuvers.

Applications

• E-Rickshaw Hubs: Main wheel hubs and front/rear differential axle points of commercial passenger or cargo e-rickshaws.  
• Electric Two-Wheelers: Drive axles, rear wheel assemblies, and swingarm pivot locations on diverse e-bikes and e-scooters.
• Light EV Drivetrains: Internal support components within lightweight 3-wheel electric transport vehicles and custom neighborhood EVs.
• Electric Transaxles: Central gearbox assemblies and mid-drive motor shaft supports for modern battery-operated rickshaws.
• Light Industrial Machinery: Electric motor rotors, commercial washing drums, water pump impellers, and workshop cooling blowers. 

Usage

Maintenance

• This bearing is engineered to be a strictly "sealed-for-life" and maintenance-free mechanical unit. The dual synthetic rubber seals must never be manually punctured, removed, or compromised to insert secondary external lubricants, as doing so destroys the precision seal fitment and allows dust intake.
• Routinely inspect the exterior perimeter during standard brake shoe or tire replacements to detect early signs of seal tearing, weeping grease, or external structural impact marks. If clicking noises, axial wobble, or rotational stiffness develop within the hub assembly during routine manual wheel rotations, replace the unit immediately to ensure vehicle transit safety.