The 6306ZZ Ball Bearing is a deep-groove, single-row bearing with double metal shields for long-lasting protection and smooth rotation. The ZZ shielding helps prevent dust and contaminants from... Read Full Description
The 6306ZZ Ball Bearing is a deep-groove, single-row bearing with double metal shields for long-lasting protection and smooth rotation. The ZZ shielding helps prevent dust and contaminants from entering the bearing while keeping grease securely inside, reducing maintenance and ensuring dependable performance.
With a 30 mm inner diameter, 72 mm outer diameter and 19 mm width, this bearing is ideal for wheels, rollers, conveyors, shafts and a wide range of rotating machinery. Its strong steel construction delivers stability, durability and efficient load handling in both radial and axial applications.
Standard 6306 sizing: 30 × 72 × 19 mm
Double metal shields (ZZ) for dust resistance and grease retention
Pre-lubricated for smooth, low-maintenance operation
Handles radial and axial loads
Robust steel construction for long service life
Smooth, low-friction rotation
Suitable for wheels, axles, rollers and mechanical assemblies
Bore (ID): 30 mm
Outer diameter (OD): 72 mm
Width: 19 mm
Shield type: ZZ (double metal shields)
Bearing type: Single-row deep groove ball bearing
Load support: Radial and axial
Typical weight: Approx. 0.34 kg
Trolley and cart wheels
Conveyor rollers
Machinery shafts and rotating equipment
Industrial and workshop tools
Load-bearing wheels
General mechanical assemblies
The 6306ZZ Bearing provides a reliable, low-maintenance solution for any rotating component. Its shielded design keeps grease in and contaminants out, extending service life while ensuring consistently smooth operation. Suitable for a wide range of industrial, workshop and handling applications.
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For a more detailed view of our delivery charges please visit our UK Delivery & Returns or International Delivery & Returns page.
Please note that our standard shipping rates do not apply to tubing orders. Tubing has its own unique shipping rate, which is automatically calculated at checkout. We've tailored these rates to ensure the best possible delivery service for these items!
Please note final delivery cost is calculated at checkout based on order weight and destination.
| Delivery Option | Delivery Cost (£) |
|---|---|
| 2 Working Days Express Pack (for small orders) | £7.09 |
| 2 Working Days | From £9.13 |
| Next Working Day | From £10.66 |
| By 12 PM Next Working Day | From £16.83 |
| By 10:30 AM Next Working Day | From £23.46 |
| Saturday Delivery | From £17.85 |
| 3 Day Pallet Delivery (for large orders) | £100 |
Please note delivery costs for Northern Ireland, Highlands, and Islands vary based on location and order weight.
| Delivery Option | Delivery Cost (£) |
|---|---|
| Northern Ireland (2-3 working days) | From £16.32 |
| Scottish Highlands (2-3 working days) | From £19.38 |
| Isle of Man (2-3 working days) | From £19.38 |
| Channel Islands (2-3 working days) | From £19.38 |
Please note that the following postcodes in the Highlands and Islands of Scotland incur additional delivery charges due to their remote locations and the higher shipping costs associated with these areas.
Postcodes affected include:
AB31-AB56
FK17-FK21
HS1-HS9 (Outer Hebrides)
IV (Inverness and surrounding areas)
KA27-KA28 (Isle of Arran and Cumbrae)
KW (Kirkwall and Orkney)
PA20-PA78 (Argyll and Bute, Inner Hebrides)
PH15-PH50 (Perthshire and the Highlands)
ZE1-ZE3 (Shetland Islands)
These areas are subject to a delivery surcharge due to increased transportation costs and extended delivery times. We strive to keep our delivery charges as competitive as possible and appreciate your understanding when shipping to these regions.
For more information or to get a specific delivery quote, please contact our customer service team.
If you're not satisfied with your purchase, ordered the wrong size, or find the items unsuitable, return them within 28 days along with the delivery note and a brief explanation for a refund or exchange. Please contact us before returning items to ensure eligibility. Note that we cannot refund items damaged through use.
We recommend using a recorded and insured delivery method for returns, as we're not responsible for goods lost or damaged in transit. Keep proof of postage. Refunds typically do not cover original delivery costs, and returns of sack trucks, trolleys, and mobile steps may incur a restocking fee.
For full terms and conditions click here.