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Raindew Official Store
(10PCS) Bicycle Hybrid Ceramic Ball Bearing 18287 2RS CB Bicycle-specific 18x28x7mm Bicycle Hub Bearing Si3N4 Ceramic ABEC-9
(10PCS) Bicycle Hybrid Ceramic Ball Bearing 18287 2RS CB Bicycle-specific 18x28x7mm Bicycle Hub Bearing Si3N4 Ceramic ABEC-9
Preço normal
$64.29 USD
Preço normal
$0.00 USD
Preço promocional
$64.29 USD
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Specifications:
Item: 18287RS CB
Structure: Deep Groove
Material: Bearing Steel Hybrid Ceramic Si3N4
Bore Dia (d): 18 mm
Outer Dia (D): 28 mm
Width (B): 7 mm
Closures: Metal Seal
Magnetic: little
Hardness: 58HRC
Corrosion Resistance: General
Clearance: C0
Grades: ABEC-7
Features:
Developed solely for the performance-driven cyclist, this application-specific hybrid ceramic bearing charts a direct course to supreme efficiency, whisper-level smoothness, and ironclad durability. As an indispensable upgrade for precision hub mechanisms, it negates frictional waste and delivers validated reliability—heightening every stint through efficient torque transfer and prolonged resilience.
✅ Proprietary Hybrid Engineering for Unadulterated Power Translation
Integrating exceptionally hard, flight-worthy silicon nitride (Si₃N₄) ceramic balls with stain-resistant stainless steel races, this bearing forges a drag-reduced contact patch. The ceramic's outstanding hardness (1,900 HV) counters deformation under peak loads, slicing rolling resistance by as much as 40% relative to baseline bearings. Attain explosive off-the-line response and zero energy dissipation—directly converting rider input into acceleration, consistently under stress.
✅ ABEC-9 Rigor for Chatter-Free, Refined Rotation
Fabricated to meticulous ABEC-9 parameters, this component ensures imperceptible deviation and rock-solid stability. The benefit? A seamless, quiet revolution that abolishes drivetrain murmur and oscillatory loss. Embrace accurate feedback and undiminished metabolic efficiency—making extended efforts feel fluid and controlled, where efficiency gains materialize as performance buffers.
✅ Reinforced 2RS Dual-Seal Enclosure for All-Season Assurance
Defended by aggressive dual-contact rubber seals, this bearing mounts an insurmountable defense against deluges, corrosive grime, and airborne abrasives. Allied with stainless steel's natural resistance to oxidation, it maintains critical tolerances in adverse settings—be it high-altitude traverses or salted winter roads. Operate with security, as your hubs retain like-new precision, achieving up to double the longevity of average bearings.
✅ Straightforward Drop-In Upgrade for Instantaneous Return
Pre-lubed with water-shedding, low-friction grease and designed as a universal interchange, this bearing is seated rapidly with commonplace tools. No custom work, no ambiguity—only immediate dividends in speed and solidity for prevalent hub systems. Curtail downtime while unlocking tournament-grade performance from the first crank rotation.
For riders devoted to progression and precision, this hybrid ceramic bearing represents the consummate allocation toward pace, peace, and perennial reliability. Halt concessions with entry-level bearings. Begin noting the transformation with each cycle of the wheel.


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