Raindew Official Store

30407 2RS Bearing 30X40X7mm ABEC-7 (10PC) Bicycle Bottom Brackets & Spares Ball Bearings 30407-2RS

Name: 30407 2RS Bearing 30X40X7mm ABEC-7 (10PC) Bicycle Bottom Brackets & Spares Ball Bearings 30407-2RS
Brand: Raindew Official Store
SKU: 10P30407RS
Price: 28.57 USD
Availability: InStock

$28.57 USD

~~$0.00 USD~~ $28.57 USD

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Specifications:

Model: 30407 2RS

Structure: Deep Groove Ball

Material: Bearing Steel

Grade: ABEC-7

Bore Dia (d): 30mm

Outer Dia (D): 40mm

Width (B): 7 mm

Closures: Sealed (2RS)

Lubrication: Grease

Clearance: C0

Features:

Engineered to redefine efficiency and resilience in high-demand bicycle systems, this sealed cartridge bearing delivers a transformative upgrade for critical rotational interfaces. It stands as the definitive solution for riders seeking instantaneous smoothness paired with unwavering long-term reliability—where every pedal stroke must translate to pure, unimpeded motion.

✅ Precision-Optimized Rotation for Effortless Power Transfer

Meticulously crafted with micro-finished raceways and aerospace-grade ball precision, this bearing eliminates parasitic drag at its source. The result? A seamless transfer of rider energy into forward momentum, elevating drivetrain responsiveness and delivering a noticeably fluid, "alive" riding experience—even under sustained load.

✅ Advanced Dual-Labyrinth Sealing Against Total Contamination

Protected by dual-reinforced rubber seals with a dynamic labyrinth barrier, this component repels water, grit, and abrasive particles with uncompromising rigor. No longer compromised by torrential downpours or dusty trails, it maintains factory-fresh performance through relentless environmental assault, ensuring decades of silent, consistent operation.

✅ Fatigue-Resistant Construction for Extreme Durability

Forged from vacuum-melted chrome steel and treated with proprietary surface hardening, this bearing conquers relentless stress cycles that fracture ordinary components. Its resilient design resists micro-pitting, brinelling, and raceway deformation—transforming potholes, jumps, and heavy loads into mere vibrations, not failure points.

✅ Ready-Deployed Performance, Zero Setup Required

Pre-filled with temperature-stable, synthetic lubricant and sealed against initial contamination, this bearing installs in moments. Experience immediate friction reduction and silky-smooth engagement straight from the box—no greasing, adjustments, or guesswork. A true "fit-and-forget" upgrade that pays dividends in longevity and ride refinement.

Selecting this bearing isn’t just an upgrade—it’s a commitment to reimagining your bicycle’s core mechanics. By eradicating the friction, contamination, and fatigue vulnerabilities inherent in standard solutions, it unlocks a new standard of responsiveness, slashes maintenance intervals to near-zero, and delivers a ride quality so consistently sublime, it becomes the silent foundation of every journey.