The dual-row ball structural layout endows the bearing with superior composite load resistance. Two independent rows of precision steel rolling elements are arranged in a staggered and balanced configuration, working in tandem with heat-treated raceway surfaces to disperse multi-directional operating loads evenly. This design reliably withstands combined axial tension, radial pressure and dynamic overturning moments, effectively suppressing structural deformation, rotational shake and rolling wear during frequent cyclic operation and fluctuating load conditions. It maintains consistent running accuracy and structural stability during long-term continuous service.

Featuring an integrated external gear structure, the bearing realizes one-piece rotary drive and power transmission. The externally distributed involute gear teeth are precision-machined and thermally hardened to guarantee uniform tooth profile, minimal meshing clearance and stable torque output. The external tooth design enables intuitive and convenient meshing with drive pinions, greatly simplifying the overall transmission system layout. It eliminates cumbersome auxiliary transmission parts, improves mechanical transmission efficiency, and lowers assembly and daily maintenance difficulty for rotary equipment.

Constructed from high-grade structural alloy steel, the bearing boasts excellent toughness and cyclic fatigue resistance. Critical functional areas including double-row raceways and gear tooth surfaces undergo professional high-frequency induction hardening, forming a dense wear-resistant layer that resists abrasion, surface peeling and impact damage under long-term alternating loads. Equipped with durable dual-sided sealing systems, the bearing effectively isolates dust, humid air and fine industrial debris, fully retaining internal lubricating grease. This robust protection ensures steady low-friction operation in both indoor factory environments and outdoor harsh construction scenarios.