Top Sale RC Car Micro Ball Bearing for Gear Motor 15x21x4mm

The Top Sale RC Car Micro Ball Bearing for Gear Motor 15x21x4mm is a high-performance, low-noise solution specifically engineered for axial radial load bearing and CNC bearings applications. Crafted from durable Chrome Steel GCR15 with a single-row deep groove design and a stamped steel cage bearing, it delivers superior load capacity, high-speed operation, and long-term reliability. Ideal for RC cars, micro motors, robotics, and as an industrial machine bearing, it ensures smooth operation under demanding conditions. Its versatile sealing options and low-maintenance features make it an essential component for precision machinery and hobbyist projects alike.

Lead Time

Quantity (sets) 1 – 2000 2001 – 10000 > 10000
Lead time (days) 7 15 To be negotiated

Bore Size

15 mm

Outside Diameter

21 mm

Engineered for Precision and Reliability | Top Sale RC Car Micro Ball Bearing for Gear Motor 15x21x4mm

The Top Sale RC Car Micro Ball Bearing for Gear Motor 15x21x4mm is designed for RC enthusiasts, hobbyists, and industrial operators who demand superior precision, high-speed performance, and durability. Made from premium Chrome Steel GCR15, this single-row bearing features a deep groove structure optimized for both axial radial load bearing and smooth rotation under extreme conditions. Its low-noise operation, minimal friction, and long-lasting durability make it ideal for RC cars, gear motors, robotics, and other high-performance micro-machinery. The bearing’s versatile sealing options — ZZ, 2RS, and OPEN — allow for optimal protection against dust, debris, and moisture, ensuring maintenance-free operation and reliable performance in demanding environments.

Technical Specifications

Attribute Value
Product Name Top Sale RC Car Micro Ball Bearing for Gear Motor 15x21x4mm
Applicable Industries Industrial Machines
Precision Rating
P0 P6 P5
Number of Rows
Single row
Inner Diameter
15 mm
Outer Diameter 21 mm
Width 4 mm
Sealing Type
ZZ 2RS OPEN
System of Measurement Metric
Material
Chrome Steel Gcr15
Cage Material
Stamped Steel Plate
Bearing Type Deep Groove Ball Bearing
Load Type Axial & Radial Load Ball Bearings
Lubrication
Dry/Grease/Oil
Feature
High Speed, Low Noise
Noise Level
Z1,Z2,Z3
Vibration Level
V1 V2 V3 V4
Clearance C2 C0 C3 C4 C5
Structure Type Deep Groove Structure
Bore Type Cylindrical Bore
Fit Type Press Fit
Housing Compatibility Suitable for standard bearing housings

Why Choose Top Sale RC Car Micro Ball Bearing for Gear Motor 15x21x4mm?

🔹 Ideal for a wide range of industrial machines, RC vehicles, and motorized tools.
🔹 Single-row deep groove design ensures enhanced stability and smooth motion.
🔹 Engineered for high-speed operation with low vibration levels (V1-V4) and low noise (Z1-Z3).
🔹 Multiple precision ratings (P0, P6, P5) for precise alignment and reliable performance.
🔹 Lubricated with grease, oil, or dry options for consistent performance.
🔹 Various clearance options (C0, C2, C3, C4, C5) for tailored load support.
🔹 Supports both axial and radial load applications, ideal for RC and micro machinery.

Maintenance Tips for Longevity

🔹 Clean the bearing regularly using a safe solvent to prevent debris buildup.
🔹 Reapply high-quality grease or lubricant after cleaning for optimal performance.
🔹 Avoid exposing bearings to water, dust, or corrosive environments.
🔹 Always use proper tools during installation or removal to prevent damage.
🔹 Store bearings in a cool, dry place to maintain structural integrity and prevent rust.

Order Now – Get Your Top Sale RC Car Micro Ball Bearing for Gear Motor 15x21x4mm Today!

Enhance the performance of your RC car, gear motor, or industrial micro-machine with the Top Sale RC Car Micro Ball Bearing for Gear Motor 15x21x4mm. Built for longevity, precision, and low-noise operation, this bearing ensures your devices operate smoothly under extreme speed and load conditions. Upgrade today and experience unparalleled reliability from the first rotation.

Elevate your projects with the Top Sale RC Car Micro Ball Bearing for Gear Motor 15x21x4mm, engineered for both hobbyists and professional applications. Featuring a robust stamped steel cage bearing and crafted for high-performance industrial machine bearing use, it excels in axial radial load bearing and CNC setups. Its precise deep groove design minimizes friction and vibration, providing consistent, smooth operation even under demanding conditions. Whether for RC cars, micro motors, or robotics, this bearing guarantees enhanced efficiency, long-term durability, and superior control, making it an essential upgrade for precision machinery and miniature engineering projects alike.

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