The SMRC 6306-SG Deep Groove Ball Bearing is engineered for demanding industrial environments requiring maximum operational uptime and reduced maintenance frequency. Featuring a robust 6300 series design, this bearing accommodates significant radial loads and moderate axial loads in both directions. The 'SG' designation signifies SMRC's Superior Grade sealing system, utilizing low-drag, non-contact seals combined with a proprietary high-performance synthetic Polyurea grease (Grade NLGI 2), ensuring exceptional protection against contaminants and moisture while maintaining high limiting speeds critical for electric motor, pump, and ventilation applications. Precision ground raceways and high-purity bearing steel construction (SAE 52100 equivalent) guarantee ISO P6 tolerance or better, delivering optimized performance and minimized operational noise and vibration.
Selecting the SMRC 6306-SG translates directly into optimized Total Cost of Ownership (TCO) for critical machinery. Its enhanced sealing and superior lubrication extend the operational life far beyond standard sealed bearings, reducing the risk of premature failure and costly unplanned downtime. This product is ideal for use in high-volume production machinery, industrial gearboxes, textile manufacturing equipment, and conveying systems where consistent performance under continuous operation is non-negotiable. Trust the SMRC commitment to quality engineering, providing a reliable foundation for your most critical rotating assets.
Key Features
SMRC SG Seal Technology: Features non-contact, low-drag seals optimized for speed and maximum contamination exclusion.
High Load Capacity: Handles demanding radial and axial loads suitable for industrial gearboxes and pumps.
Precision Manufacturing: Manufactured to ISO P6 tolerances, ensuring reduced vibration and noise profiles for smooth operation.
Optimized Lubrication: Pre-filled with proprietary synthetic Polyurea grease for extended service intervals and operating temperature stability.
Extended Service Life: Designed for high reliability, reducing unplanned downtime and lowering maintenance costs.
Technical Specifications
d
30 mm (Bore Diameter)
D
72 mm (Outer Diameter)
B
19 mm (Width)
r
1.1 mm (Fillet Radius)
Cr
25.7 kN (Basic Dynamic Load Rating)
C0r
15.3 kN (Basic Static Load Rating)
Mass
0.32 kg
Limiting Speed (Grease)
9,500 rpm
Bearing Type
Deep Groove Ball Bearing (Single Row)
Sealing Configuration
SG (Low-Drag Double Seals, filled with High-Performance Grease)