Product Structure

The SG66 2RS bearing adheres to the standard size series for metric miniature bearings. Its core dimensional parameters are: a bore diameter of 6mm, an outer diameter of 22mm, and a width of 11mm. Structurally, it features a single-row deep groove ball design with continuous raceway grooves, enabling it to handle radial loads and certain bidirectional axial loads. The suffix "2RS" explicitly indicates that the bearing is equipped with contact-type rubber seals (typically NBR material) on both sides. This structure effectively prevents internal grease leakage and the ingress of external contaminants (such as dust and moisture), while maintaining relatively low running torque.

Key Performance Features of SG66

The main performance characteristics of the SG66 2RS bearing include: 1. Low Noise and Smooth Operation: Precisely manufactured raceways and steel balls ensure smooth and quiet operation, making it suitable for noise-sensitive equipment. 2. Good High-Speed Capability: The optimized internal geometry allows it to accommodate relatively high rotational speeds. 3. Effective Sealing: Double-sided rubber seals provide reliable protection against dust and moisture (not fully waterproof), extending the bearing's service life in non-clean environments. 4. Pre-lubricated: It comes pre-filled with high-quality grease from the factory, enabling maintenance-free operation under normal working conditions. 5. High Versatility: The deep groove ball design allows it to handle both radial and axial loads, offering flexible application.

Main Application Scenarios

Embroidery Laser Machine Guide Rail Wheel Bearings.

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