ZZ Deep Groove Small Ball Bearings

6000ZZ - 10 x 26 x 8mm

£4.99

ZZ Deep Groove Small Ball Bearings

£4.99

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Small Ball Bearings are versatile, high-precision components typically defined by inner diameters ranging from 10mm to 30mm. Frequently designated with the "ZZ" suffix, these bearings are equipped with non-contact metal shields on both sides that act as a durable physical barrier to prevent dust and debris from entering the internal raceways. These shields are specifically engineered to retain factory-applied lubrication for the entire duration of the bearing's service life, providing a "lubricated-for-life" solution that requires zero ongoing maintenance.

Because the metal shields do not make physical contact with the inner ring, they produce significantly less torque and friction than rubber-sealed alternatives. This allows small ball bearings—including the common 60, 62, and 63 series—to maintain cooler operating temperatures and reach the high rotational speeds required for demanding mechanical systems. Available in both chrome steel and stainless steel with precision grades up to ABEC-9, they are the industry standard for home appliances, electric motors, power tools, and water pumps, offering an ideal balance of durability and efficiency.

At Pivot Bearings, we strive for speed and reliability. Orders are typically processed within 1-2 business days and shipped via Royal Mail, with an estimated delivery time of 2-3 business days. You will receive a confirmation email with a tracking number as soon as your order is dispatched. Please note that shipping excludes weekends and UK Bank Holidays, and customers are responsible for any applicable customs duties or taxes on international orders.

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We offer a 30-day return policy on all unused items in their original packaging. To initiate a return, please contact us at info@pivotbearings.co.uk for approval and instructions. Please note that customers are responsible for arranging and paying for return shipping; Pivot Bearings cannot be held responsible for return shipments that are lost or fail to deliver. Once your item is received and inspected, refunds are typically processed within 10 business days.

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Technical Details

Brand	Pivot Bearings

Additional Information

SKU	BR-6000ZZ-P001
Date First Available	04 Feb 2026

ZZ Deep Groove Small Ball Bearings FAQ 's

Frequently asked questions about the ZZ Deep Groove Small Ball Bearings

The ZZ (or 2Z) designation indicates that the bearing is equipped with metal shields on both sides. These shields are typically made of pressed steel and are fixed to the outer ring. Unlike "Open" bearings, ZZ bearings have a physical barrier that prevents large debris from entering the raceway and helps retain the factory-applied grease.

The main difference lies in the sealing method and friction levels:

ZZ (Metal Shields): These are non-contact shields. Because they do not touch the inner ring, they generate almost no additional friction, making them ideal for high-speed applications.
2RS (Rubber Seals): These are contact seals. They press against the inner ring, providing a much tighter seal against moisture and fine dust, but they create more friction and heat, which limits their maximum speed.

No. ZZ bearings are designed to protect against dust and larger solid particles, but they are not watertight. Because the metal shields do not make physical contact with the inner ring, there is a tiny "labyrinth" gap through which liquids (like water or oil) and very fine vapors can pass. For washdown environments or underwater use, you should typically use 2RS (rubber-sealed) bearings.

Due to their low friction and high-speed capability, ZZ bearings are the standard choice for:

Electric Motors: Where high RPMs and low heat generation are critical.
Office Equipment: Such as printers and photocopiers.
Power Tools: Like drills and grinders.
Home Appliances: Washing machines, vacuum cleaners, and fans.
Clean Environments: Where there is moderate dust but no risk of liquid splashing.

In most cases, no. ZZ bearings are almost always "Lubricated for Life." They come pre-filled with high-quality grease at the factory, and the shields are designed to keep that grease inside. Because the shields are not easily removable without damaging them, these bearings are generally considered maintenance-free and should be replaced rather than relubricated once the grease expires or the bearing becomes noisy.