SMR105 5X10X4 mm 2RS Hybrid Ceramic Ball Micro Fishing Reel Bearings
The SMR105 hybrid ceramic bearing features precision stainless steel rings and silicon nitride (氮化硅) 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
方面: 5mm inner diameter × 10mm outer diameter × 4mm width
Ball Material: Silicon nitride (氮化硅) 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
盾牌: 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
SMR105 Hybrid Ceramic Fishing Reel Bearings – Precision Performance for Anglers
The SMR105 bearing is a “miniature – stainless steel – double-sided contact seal” deep groove ball bearing, specially designed for harsh fishing environments such as seawater, high humidity, and dust.
主要特点:
Stainless steel base
The bushings/rolling elements are made of stainless steel and undergo vacuum quenching and tempering. The salt spray test is ≥ 48 hours. They still maintain high corrosion resistance in seawater and acidic/alkaline environments.Double rubber seals
One-piece double-sided seal, forming a slight interference with the inner ring, preventing dust, salt spray, and sand particles, and preventing lubricant leakage; the leakage rate in freshwater/seawater immersion tests is < 0.1%.Low starting torque, 低噪音
The internal part is filled with food-grade low-viscosity synthetic ester lubricating grease. The starting torque is ≤ 0.05 N·cm, and the noise level is Z1 group. During the feeding/receiving process, the hand feels smooth without any “stalling” abnormal noise.- High limit rotational speed
The grease lubrication limit rotational speed is 50,000 r/min, meeting the rapid throwing requirements of high-speed spinning wheels and water drop wheels at 8,000–10,000 rpm. - Maintenance-free, long life
The sealed bearing has a “lifelong lubrication” structure. In regular fishing use, no grease replenishment is required for 2–3 quarters.
应用领域
Marine/ freshwater fishing equipment
Spinning wheel shafts, water droplet wheels, drum wheels, raft wheels, long-range throwing wheels, line wheel main shafts, cranks, one-way bearings, clutches.Miniature rotors
Rotating shafts in lures (shimmers, VIB, Minos), rotating shackle rings.Small underwater equipment
Waterproof camera shafts, miniature motors of fish finder propellers.Small motors in corrosive environments
Marine miniature pumps, model propellers, fans of salt spray test chambers.
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