Key Specifications: Model: SMR623C Dimensions: 3x10x4mm Balls: Silicon Nitride (Si3N4) Ceramic Races: 440C Stainless Steel (hardened to 58-60 HRC) Tolerance: ABEC-7 (ISO P2 equivalent) Seals: Dual Rubber Shields (RS) Max RPM: 50,000+ (dry), 35,000+ (lubricated) Applications: High-end spinning reels, baitcasters, conventional reels, tournament fishing Zero Corrosion: Ceramic balls immune to rust and saltwater degradation. Lighter Spool: 30% reduction in startup inertia for longer casts. Low Maintenance: Self-lubricating design eliminates grease washout. Enhanced Sensitivity: Smooth operation improves lure action and bite detection.

The SMR105 hybrid ceramic bearing features precision stainless steel rings and silicon nitride (Si3N4) ceramic balls, specifically designed for baitcasting and spinning reels. They offer performance advantages that meet the demands of serious anglers. Cast further, retrieve more smoothly, and have greater confidence in fishing. Technical Specifications & Design Features Dimensions: 5mm inner diameter × 10mm outer diameter × 4mm width Ball Material: Silicon nitride (Si3N4) ceramic – lightweight, ultra-hard, and virtually frictionless Race Material: High-grade stainless steel – precision-ground for smooth rotation and dimensional accuracy Cage (Retainer): High-strength nylon or stainless steel – optimized for low friction and consistent ball spacing Shields: Double metal shields (ZZ) or rubber seals (2RS) – prevent debris ingress while allowing easy cleaning and re-lubrication Precision Rating: ABEC-5 or ABEC-7 grade – ensures smooth rolling and minimal vibration during high-speed retrieves