+86 15806631151 info@sdtflbearing.com
The 618/7/W64 is a compact single row deep groove ball bearing, measuring just 4mm by 9mm by 2.5mm. Made from durable chrome steel, it’s designed for radial loads up to 95 lbf and spins smoothly at speeds up to 85,000 RPM.
Its solid oil lubrication ensures long-lasting performance with minimal maintenance, while the open design allows for easy inspection. The bearing operates efficiently in temperatures from -30°C to 120°C.
This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for small devices like precision instruments or miniature motors where space is limited.
Weighing only 0.0007kg, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe and reliable use.
"*" indicates required fields
Performance Features of 618/7/W64 Bearing
618/7/W64 Bearing is designed with chrome steel rings and balls, offering reliable radial load support.
Its compact size of 4 mm×9 mm×2.5 mm makes it ideal for applications with limited space.
The solid oil lubrication ensures smooth operation and reduces maintenance needs.
With a maximum speed of 85,000 rpm, it delivers efficient performance in high-speed applications.
618/7/W64 Bearing operates in temperatures from -30°C to 120°C, suitable for various environments.
Its ABEC 1 tolerance class provides consistent precision for radial load requirements.
Common Applications of 618/7/W64 Bearing
You’ll often spot 618/7/W64 Bearing in small electric motors, where its compact 4mm bore handles radial loads effortlessly. The solid oil lubrication keeps it running smoothly in tight spaces without frequent maintenance.
In precision instruments like optical devices, 618/7/W64 Bearing’s ABEC 1 tolerance ensures reliable performance. Its chrome steel construction withstands continuous use while maintaining accuracy.
For miniature gearboxes in robotics, this bearing’s 85,000 rpm capability makes it ideal for high-speed applications. The lightweight design (just 0.0007kg) helps reduce overall system weight without sacrificing durability.
Where Is 618/7/W64 Bearing Used?
Dental handpieces benefit from 618/7/W64 Bearing’s tiny dimensions and heat resistance up to 120°C. Its open design allows easy cleaning in medical environments where hygiene matters.
You’ll find this bearing in drone motors too, where its 9mm outer diameter fits perfectly in compact frames. The CN clearance provides just the right balance between precision and thermal expansion tolerance.
Built for Versatility: 618/7/W64 Bearing
In laboratory centrifuges, 618/7/W64 Bearing handles radial loads while maintaining quiet operation. The chrome steel balls and rings ensure consistent performance across thousands of cycles.
For watch mechanisms, this bearing’s 2.5mm width fits where thicker options can’t. Its solid oil lubrication means no messy leaks in delicate timekeeping devices.
Light-Duty vs Heavy-Duty: Best Uses for 618/7/W64 Bearing
While not for industrial crushers, 618/7/W64 Bearing shines in light-duty applications like camera lens assemblies. The 95 lbf dynamic load capacity handles typical operational stresses perfectly.
In model railways, this bearing keeps motorised parts running smoothly for years. The -30°C to 120°C range covers most hobbyist environments without performance drops.
"*" indicates required fields
