SKF Double-row spherical roller bearing Cylindrical bore 21309 E/C3

Overview This spherical roller bearing is designed for heavy-duty applications requiring high load capacity. It accommodates misalignment and shaft deflections with minimal frictional increase. The relubrication feature enhances operational reliability and service life. Its modular compatibility allows integration with housings sleeves and nuts. Features

• Spherical design accommodates shaft misalignment enabling stable operation in dynamic conditions
• Relubrication feature supports extended maintenance intervals reducing operational downtime
• Sheet metal cage provides consistent roller guidance enhancing overall durability
• C3 radial internal clearance manages thermal expansion preventing premature wear
• High limiting speed allows use in demanding rotating equipment increasing application versatility

Application & Usage

• Used with modular bearing housings for conveyor systems
• Ideal for heavy-duty gearboxes in mining equipment
• Compatible with industrial fans requiring self-aligning bearings