SKF 6309-2Z/C3GJN 1 Row Deep Groove Ball Bearing - 45 mm ID, 100 mm OD

This deep groove ball bearing is a single-row, shielded rotary bearing designed to support radial and moderate axial loads in rotating equipment. It suits assemblies requiring compact, cylindrical-bore bearings with robust rolling elements and moderate-speed capability within automation, electronics and mechanical systems.

• Shielded design reduces lubricant contamination and maintenance needs
• Sheet-metal cage lowers mass for improved rotor dynamics
• Steel balls provide Durable contact surfaces for repeated cycles
• C3 internal clearance compensates for thermal expansion during operation
• Dynamic load capacity 55.3kN enables sustained operational loads
• Limiting speed 7500r/min supports higher-speed rotating applications

• Suitable for motor shaft support in industrial automation
• Ideal for spindle support in small rotating machinery
• Used with gearbox intermediate shafts carrying radial loads
• Can be used for precision conveyor rollers in production lines
• Used for cooling fan bearings in electrical cabinets

Increased internal clearance C3 provides extra axial freedom to accommodate shaft and housing expansion without inducing preload.

The sheet-metal cage is lighter than solid alternatives, decreasing centrifugal load on the rolling elements at higher rotational speeds.

The shielded end configuration offers a barrier to dust and splash while allowing re-lubrication through the housing where access is provided.

The bearing’s static rating of 31.5kN defines its resistance to non-rotational or shock loads, while the dynamic rating of 55.3kN indicates capability under continuous rotation.