6001-2RS Sealed Deep Groove Ball Bearing – 12×28×8mm

6001-2RS Sealed Deep Groove Ball Bearing – 12×28×8mm

£2.98
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6001-2RS Sealed Deep Groove Ball Bearing – 12×28×8mm
  • 6001-2RS Sealed Deep Groove Ball Bearing – 12×28×8mm
  • 6001-2RS Sealed Deep Groove Ball Bearing – 12×28×8mm
  • 6001-2RS Sealed Deep Groove Ball Bearing – 12×28×8mm
  • 6001-2RS Sealed Deep Groove Ball Bearing – 12×28×8mm
6001-2RS Sealed Deep Groove Ball Bearing – 12×28×8mm

6001-2RS Sealed Deep Groove Ball Bearing – 12×28×8mm

£2.98
Taxes included. Shipping calculated at checkout.
In stock
Description

6001-2RS Sealed Ball Bearing

Single-row deep groove ball bearing. Chrome steel, 2RS rubber seals.

  • Bore × OD × Width: 12×28×8mm
  • Type: 2RS rubber seals (2×)
  • Material: Chrome steel (GCr15)
  • Pack: Single bearing (1)

Ideal for: bikes, motors, pumps, fans, skateboards
Shipping

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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Return policy

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
Bore Diameter (d) 12.0 mm
Outer Diameter (D) 28.0 mm
Width (B) 8.0 mm

Additional Information

SKU BR-2RS-6001
Date First Available 08 Jul 2026

Dimensional Drawing

d = 12.0 mm D = 28.0 mm B = 8.0 mm

6001-2RS Sealed Deep Groove Ball Bearing – 12×28×8mm FAQ 's

Frequently asked questions about the 6001-2RS Sealed Deep Groove Ball Bearing – 12×28×8mm

What does the "2RS" suffix actually mean on a deep groove ball bearing?

The "2RS" suffix stands for 2 Rubber Seals, meaning there is a seal on both sides of the bearing. These seals are typically made of synthetic rubber (like Nitrile) bonded to an internal steel reinforcing plate.

The rubber lips make direct contact with the bearing's inner ring, creating a tight physical barrier. This design serves two main purposes: it keeps the factory-installed grease locked inside and prevents destructive contaminants like dust, dirt, and moisture from getting in.
How do 2RS rubber seals compare to ZZ metal shields?

The choice between them comes down to a direct tradeoff between protection and speed:

  • 2RS (Rubber Seals): These are contacting seals, meaning they physically touch the inner ring. This provides superior protection against fine dust, debris, and water splashes. However, the contact creates friction (seal drag), which generates heat and lowers the bearing's maximum allowable speed.
  • ZZ (Metal Shields): These are non-contacting shields, leaving a microscopic gap between the shield and the inner ring. Because there is no friction, the bearing can run at its maximum rated RPM. The downside is that they only protect against larger dust particles and cannot stop liquids or fine moisture.
Are 2RS bearings completely maintenance-free? Do they ever need to be greased?

Yes, they are classified as "greased for life." 2RS bearings arrive from the factory pre-filled with the exact amount of high-quality grease needed for their lifespan (usually occupying about 30% to 40% of the internal space).

You should never attempt to pry off the rubber seals to add more grease. Doing so will almost certainly bend the internal steel reinforcement of the seal, ruining its ability to snap back into place properly. This leads to grease leakage and premature failure. Run them until they wear out, then replace them.
What are the main limitations of a 2RS deep groove ball bearing?

While they are incredibly popular, they do have a few specific operating limits:

  • Temperature Constraints: Standard rubber seals degrade, harden, and crack if exposed to continuous temperatures above 110°C to 120°C. For extreme heat, you need specialized high-temperature seal materials like Viton.
  • Rotational Drag: Because the rubber lips rub against the inner ring, they cause a small amount of rotational resistance. If your application requires a component to spin completely freely with minimal effort, the friction from a 2RS seal will be too high.
Where are 2RS deep groove ball bearings most commonly used?

Because deep groove bearings handle both radial loads and light axial loads, combined with the "set-it-and-forget-it" nature of the 2RS seals, they are used across countless industries:

  • Electric Motors and Power Tools: Keeping drywall dust or sawdust out of the motor internals.
  • Bicycles: Used in wheel hubs, bottom brackets, and headsets to withstand mud, rain, and washing.
  • Household Appliances: Washing machine drums, vacuum cleaner rollers, and ceiling fans.
  • Skateboards and Inline Skates: Shielding the internal balls from road grit and grime.

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