Miniature / Micro Bearing
HCH miniature and micro bearings are specifically designed for precision transmission in extremely small spaces, with inner diameters as small as 1mm. They offer low friction, low noise, and high precision, and are widely used in micro motors, phone vibration motors, dental handpieces, drones, and precision instrumentation.
- ✓ Bore diameter: 1mm - 10mm
- ✓ Precision: ABEC-5 / 7
- ✓ Ultra-low noise operation
- ✓ Stainless steel / high-carbon chrome steel optional
- ✓ Seals: ZZ / 2RS available
- ✓ IATF 16949 / ISO 9001 certified
Technical Specifications
Product Features
Ultra-Small Bore, from 1mm
Bore as small as 1mm meets the precision transmission needs of micro equipment in extremely small spaces.
ABEC-5/7 High Precision
Reaches ABEC-5/7 (P5/P4) high precision grades, with smooth rotation and high repeatability of positioning.
Ultra-Low Noise, Low Friction
Precision grinding process delivers low friction and ultra-low noise, suited to quiet environments and precision instruments.
Material Options
High-carbon chrome steel and stainless steel options for corrosion resistance and special operating conditions.
Typical Applications
With their ultra-small bores and high precision, HCH miniature and micro bearings are supplied in volume to the following micro-equipment fields:
Micro Motors
Micro motors, stepper motors
Consumer Electronics
Phone vibration motors, hard drives
Medical Devices
Dental handpieces, precision medical
Drones
Drone motors, precision instruments