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The S684 2RS is a compact miniature ball bearing with a 4mm bore and 9mm outer diameter, crafted from stainless steel for durability. It handles radial loads up to 110 lbf and spins smoothly at speeds up to 47,700 RPM.
Its sealed design with nitrile rubber shields keeps out dust and moisture, making it low-maintenance. The stainless steel cage ensures quiet operation and long service life.
This bearing is ideal for small devices like precision instruments or miniature motors where space is limited. It performs well in temperatures from -30°C to 110°C.
Weighing just 1g, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a reliable choice for various applications.
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Why Choose S684 2RS Bearing for Precision Tasks?
S684 2RS Bearing is crafted with stainless steel rings and balls, offering excellent corrosion resistance for precise radial applications.
Its compact size of 4 mm×9 mm×4 mm makes it ideal for miniature equipment where space is limited.
The sealed design protects against dust and moisture, ensuring smooth operation in various environments.
With a maximum speed of 47,700 rpm, it delivers reliable performance in high-speed applications.
How Does S684 2RS Bearing Reduce Friction?
S684 2RS Bearing features a single-row design with seven stainless steel balls, minimising friction during operation.
The ABEC1 tolerance class ensures consistent performance, reducing energy loss in precision instruments.
Its nitrile rubber seals retain lubrication while keeping contaminants out, maintaining smooth movement.
The MC3 radial clearance range of 0.002mm to 0.013mm optimises balance between friction and load capacity.
Engineered for Precision: S684 2RS Bearing
S684 2RS Bearing’s stainless steel construction resists rust, making it suitable for humid or demanding conditions.
The 1.5880 mm ball diameter and precise radial clearance contribute to its smooth, low-vibration performance.
Weighing just 1 gram, it’s perfect for applications where lightweight components are essential.
Its dynamic radial load capacity of 110 lbf ensures durability in small-scale mechanical systems.
Open vs Sealed Bearings: Benefits of S684 2RS Bearing
S684 2RS Bearing’s sealed design offers better protection against contaminants compared to open bearings.
The nitrile rubber shields maintain lubrication while preventing dust ingress in challenging environments.
Despite being sealed, it maintains a high speed rating of 47,700 rpm for efficient operation.
The stainless steel construction provides an advantage over standard steel in corrosive conditions.
Material Composition of S684 2RS Bearing
S684 2RS Bearing uses stainless steel for rings, balls and cage, ensuring uniform material properties.
This homogeneous construction reduces galvanic corrosion risks while maintaining dimensional stability.
The nitrile rubber seals complement the stainless steel components for complete environmental protection.
At just 1 gram weight, the material choice balances strength with minimal mass for miniature applications.
Common Applications of S684 2rs Bearing
S684 2rs Bearing is widely used in small electric motors, such as those found in cooling fans or handheld devices, due to its compact size and reliable performance. The sealed design helps keep out dust and moisture, extending its lifespan in everyday applications.
Industrial Uses of S684 2rs Bearing
In precision instruments like optical encoders or small gearboxes, S684 2rs Bearing provides smooth rotation with minimal friction. Its stainless steel construction makes it suitable for environments where corrosion resistance is important.
Where Is S684 2rs Bearing Used?
You’ll often find S684 2rs Bearing in dental tools or laboratory equipment, where its small dimensions and consistent operation are valued. The ABEC1 tolerance ensures adequate precision for most general-purpose applications.
Built for Versatility: S684 2rs Bearing
S684 2rs Bearing works well in 3D printers and small robotics, offering quiet operation at high speeds. The nitrile rubber seals protect against contaminants while maintaining low torque resistance.
Light-Duty vs Heavy-Duty: Best Uses for S684 2rs Bearing
While S684 2rs Bearing excels in light-load applications like model making or small appliances, it’s not designed for heavy machinery. Its 1g weight makes it ideal where minimal mass matters.
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