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10PCS 693ZZ 3X8X4 mm Bearing ABEC-9 Miniature Engine 693 ZZ Ball Bearing 619/3ZZ R-830ZZ EMQ Motors Fans 693Z 693
10PCS 693ZZ 3X8X4 mm Bearing ABEC-9 Miniature Engine 693 ZZ Ball Bearing 619/3ZZ R-830ZZ EMQ Motors Fans 693Z 693
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$15.00 USD
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$0.00 USD
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$15.00 USD
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Specifications:
693-ZZ Bearing Specifications (Metric)
Bearing Type: Shielded
Bore Dia (d): 3.000 mm
Outer Dia (D): 8.000 mm
Width (B): 4.000 mm
Radius (min) (rs): 0.15 mm
Dynamic Load Rating (Cr): 474 N
Static Load Rating (Cor): 144 N
Max Speed (Grease): 50,000 rpm
Max Speed (Oil): 57,000 rpm
Max. Shaft Shoulder Dia. Inner (Ui): 4.4 mm
Min. Housing Shoulder Dia., Outer (Uo): 7.25 mm
Ball Dia (Dw): 1.588 mm
Weight (g): 0.8 grams
Precision: ABEC-9
Standard Clearance: C0/(K25)
Features:
Features:
Engineered to master the microscopic physics of high-RPM motion systems, this precision miniature bearing assembly delivers absolute rotational fidelity and unwavering dimensional constancy. Supplied as a matched ensemble of ultra-precision bearings, it’s the indispensable solution for engineers demanding instantaneous response, flawless harmonic balance, and relentless recovery of silent, vibration-free operation in critical high-speed applications.
✅ Sub-Micron Motion Transfer
Certified raceway contours expertly manage multidirectional forces at extreme rotational velocities. Sub-micron tolerances ensure shaft movement translates into immediate, zero-backlash motion conversion—eliminating hysteresis and delivering telepathic command over high-speed mechanisms from micro-robotics to aerospace instrumentation.
✅ Uncompromising Rigidity Through Vacuum-Degassed Alloy
Forged from vacuum-degassed chrome alloy steel, these bearings resist permanent deformation under extreme cyclic loads. They maintain critical preload integrity and geometric constancy, locking rotating assemblies into designed performance parameters for billions of revolutions without drift.
✅ Kinetic Contaminant Defense
Double-shielded metal barriers create an absolute seal against metallic particulates, moisture, and abrasive micro-debris. This defense preserves lubricant purity and raceway perfection, guaranteeing frictionless rotation through thermal cycling, humidity spikes, and high-vibration environments.
✅ Harmonic Resonance Suppression
Precision-calibrated as a matched ensemble, every bearing shares identical internal geometry—pre-lubricated and certified to the highest precision class. Synchronized deployment eradicates cumulative tolerances, restoring factory-original rotational smoothness and eliminating destructive harmonic interference across multi-bearing systems.
This engineering philosophy embodies uncompromising motion purity and operational eternity. It annihilates micro-vibration-induced fatigue, creating systems that react with atomic-scale precision, survive brutal cyclic demands, and deliver consistently stable, connected, and silent performance through every revolution—where nanometer-level accuracy defines success.
