This magnum ball bearing has an outer diameter of 1.375 and an inner diameter of 0.625. Oregon® replacement parts are built to meet or exceed OEM standards. Many parts look similar, so it’s crucial to ensure you’re choosing the right replacement for your original equipment or engine model. Not sure? Use our Parts Lookup Tool to view part diagrams and find the correct replacement.

• Magnum ball bearing
• Outer diameter: 1.375
• Inner diameter: 0.625, Width: 0.431
• Reference number: 99502H

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