High-Precision Deep Groove Ball Bearings by Boilian

Ultra-Durable Material
– Made from high-grade chrome steel (GCr15) for superior hardness, wear resistance, and extended service life under heavy loads.
Advanced Sealed Design (Z/RS)
– Features contact rubber seals (RS) or metal shields (Z) to prevent dust ingress and retain lubrication, ideal for harsh environments.
Precision Engineering
– Tight tolerances (ABEC-1/P0 standard) ensure smooth rotation with minimal vibration, critical for high-speed applications.
Wide Compatibility
– Standard dimensions (61930/61932/61934/61936) fit industrial machinery, electric motors, automotive parts, and conveyor systems.
Cost-Effective Bulk Solution
– Direct factory pricing with no middlemen, perfect for wholesale buyers needing reliable bearings in large quantities.
Global Stock Availability
– Fast shipping from multiple warehouses to minimize downtime for your projects.