(10 Each) 1603-ZZ Sealed Radial Ball Bearing 5/16 ID X 7/8 OD X 9/32 Wide SpinCo
Available to Order
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
| Upgrade your machinery with these high-quality Sealed Radial Ball Bearings. Each pack includes 10 units of model 1603-ZZ, featuring a 5/16" inner diameter, 7/8" outer diameter, and 9/32" width. Designed for smooth, reliable performance and durability, these bearings are perfect for spinning applications and ensure long-lasting operation. Ideal for DIY projects and professional repairs alike This is an aftermarket replacement. Compatibility may vary depending on the machine's serial number. |

Frequently Asked Questions
Is this an OEM part?
No, this is a premium aftermarket replacement part designed to meet or exceed the performance specifications of the original equipment.
How do I confirm compatibility?
Please verify that your model is listed in the compatible models section and compare any available reference part numbers with your existing component before purchase.
Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.