1. Product Overview The 6300LLB single row deep groove ball bearing adopts double-sided LLB non-contact nitrile rubber labyrinth seals, standard dimension 10×35×11mm. LLB non-contact design forms labyrinth gap without touching inner ring raceway, combining excellent dust resistance and ultra-low rotational torque, supporting radial load and slight bidirectional axial load. Pre-filled long-life lubricating grease inside, ideal for high-speed miniature fans, small electric