682-2RS Sealed Miniature Ball Bearing for Precision Micro-Assemblies | 2×5×2.3 mm
The 682-2RS is a high-performance, double rubber-sealed miniature deep groove ball bearing specifically designed for applications where rotational accuracy is paramount in a tiny footprint. Featuring a 2 mm bore and a 5 mm outer diameter, this precision component is engineered to deliver reliable support in micro-mechanical systems. Equipped with dual contact rubber seals (2RS), it offers superior protection against environmental contaminants while ensuring the internal lubricant remains sealed for the duration of the bearing's service life.
682-2RS Deep Groove Ball Bearing 2×5×2.3 mm | 6800 Series Miniature | Double Rubber Sealed
Developed with high-grade honed raceways, this sealed micro-bearing provides exceptionally smooth rotation and low vibration at speeds up to 63,000 r/min with grease lubrication. The 682-2RS is designed to handle radial loads and moderate axial loads in both directions. It serves as a vital component for engineers seeking a durable, maintenance-free solution for high-precision equipment where housing space is extremely limited but mechanical stability cannot be compromised.

Optimized for miniaturized rotating hardware and complex assemblies requiring high-efficiency sealing and compact dimensions:
Fitted with two Nitrile Butadiene Rubber (NBR) contact seals, the 682-2RS is a "sealed-for-life" component. These precision-engineered seals provide a robust barrier against fine particulates and moisture ingress, effectively preventing grease leakage and ensuring consistent performance in challenging operating environments.
Manufactured from premium-quality chrome steel (GCr15), this bearing features a refined 2.3 mm width. This slim-profile architecture allows for the radical downsizing of equipment housings, enabling designers to achieve higher power density in smaller mechanical footprints without sacrificing rotational precision.
The internal steel balls and raceways are finished to P5 precision grades and V-Class vibration standards. This meticulous manufacturing process results in an incredibly low noise floor and minimal heat generation, which is essential for noise-sensitive applications like medical laboratories and handheld electronic devices.
| Bearing Type | Single Row Deep Groove Ball Bearing |
| ISO Dimension Series | 6800 Series – Miniature |
| Basic Designation | 682 |
| Suffix | 2RS (Double Contact Rubber Seals) |
| Bore Diameter (d) | 2 mm |
| Outer Diameter (D) | 5 mm |
| Width (B) | 2.3 mm |
| Material (Races & Balls) | Chrome Steel (GCr15 / SAE 52100) |
| Precision Class | Standard (P0) / P6 or P5 Available Upon Request |
| Cage Material | Pressed Stainless Steel Crown Cage |
| Dynamic Load Rating (Cʳ) | 167 N |
| Static Load Rating (C₀ʳ) | 51 N |
| Limiting Speed (Grease) | 63,000 r/min |
| Limiting Speed (Oil) | 75,000 r/min |
| Weight (approx.) | 0.17 g |
Direct equivalents from global manufacturers include:
The 682-2RS is the standard choice for engineers requiring a reliable, protected bearing for micro-hardware. Its 2.3 mm width provides slightly more surface area than ultra-thin models, offering enhanced stability for shafts in small-scale motors and scanners.
For applications involving high-moisture exposure or sterile environments, stainless steel versions (S682-2RS) are also available. If the application requires maximum rotational speed with minimal starting torque in a clean environment, the metal-shielded (682-ZZ) variant should be considered.
"Where micro-precision meets industrial-grade durability, the 682-2RS delivers the smooth, silent, and reliable performance required for the next generation of miniaturized technology."
Engineered for microscopic applications where space is an absolute premium, the 681-2RS is a highly compact, double rubber-sealed miniature deep groove ball bearing. Boasting a minuscule 1 mm bore and 3 mm outer diameter, this ultra-miniature component delivers exceptional rotational precision in micro-devices. The integration of dual non-removable contact seals (2RS) ensures the internal lubricant is strictly contained while simultaneously blocking microscopic debris, guaranteeing prolonged reliability in highly sensitive micro-electronics and precision instruments.
Details
The 681-ZZ is a high-precision, dual-shielded miniature deep groove ball bearing designed for microscopic mechanical assemblies where high rotational velocity and low frictional torque are critical. With an incredibly small 1 mm bore and 3 mm outer diameter, this component provides stable support in ultra-compact environments. Featuring two non-contact metal shields (ZZ), it offers excellent protection against larger debris while retaining factory-grade lubrication, making it the premier choice for high-speed micro-motors and sensitive optical devices.
Details
The 682-2RS is a high-performance, double rubber-sealed miniature deep groove ball bearing specifically designed for applications where rotational accuracy is paramount in a tiny footprint. Featuring a 2 mm bore and a 5 mm outer diameter, this precision component is engineered to deliver reliable support in micro-mechanical systems. Equipped with dual contact rubber seals (2RS), it offers superior protection against environmental contaminants while ensuring the internal lubricant remains sealed for the duration of the bearing's service life.
Details
The 682-ZZ is a precision-engineered, double-shielded miniature deep groove ball bearing designed for high-velocity applications where minimal friction is a critical requirement. With its compact 2 mm bore and 5 mm outer diameter, this bearing provides exceptional rotational stability in micro-scale assemblies. Equipped with two non-contact metal shields (ZZ), it effectively prevents the ingress of larger debris and retains factory-applied grease without the frictional drag associated with contact seals, making it ideal for high-RPM micro-motors.
Details
The 683-ZZ is a Premium Miniature Single Row Deep Groove Ball Bearing designed for ultra-high-speed rotation and low-friction performance in compact mechanical assemblies. Featuring a double-shielded configuration (ZZ), this micro-bearing effectively locks in pre-filled grease while keeping out dust and microscopic debris. With a highly compact 3mm bore and a 7mm outer diameter, the 683-ZZ delivers exceptional reliability for precision instruments, micro-motors, and advanced robotics where space is strictly limited but performance requirements are high.
Details
The 684-ZZ is a Premium Miniature Single Row Deep Groove Ball Bearing engineered for reliable, high-speed rotation in space-constrained mechanical environments. Characterized by its double-shielded design (ZZ), this bearing is expertly sealed with twin metallic shields that lock in essential lubrication while repelling airborne dust and fine particulates. Featuring a versatile 4mm bore and a compact 9mm outer profile, the 684-ZZ is the definitive solution for micro-motors, precision instruments, and automated assemblies demanding superior operational stability without adding excess bulk.
Details
The 685-2RS is a premium-grade miniature deep groove ball bearing designed for applications requiring high rotational speeds, low friction, and reliable protection against environmental contaminants. Equipped with dual-contact rubber seals (2RS), this model ensures superior lubricant retention while preventing the ingress of dust and moisture. With a compact 5mm bore and an 11mm outer diameter, the 685-2RS is the preferred choice for precision instruments, small-scale robotics, and high-tech electronic devices where space is limited but performance is critical.
Details
The 686-2RS is a high-performance miniature ball bearing engineered for versatility and durability in compact mechanical assemblies. Featuring a 6mm bore and 13mm outer diameter, this model is equipped with dual-contact rubber seals (2RS) that provide an airtight defense against contaminants while locking in premium synthetic lubrication. Designed for engineers and manufacturers who require a balance of low torque and high protection, the 686-2RS excels in environments where precision and maintenance-free operation are paramount.
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