
SKF R 8-2Z inch deep groove ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Inch deep groove ball bearings
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Description
SKF R 8-2Z belongs to inch deep groove ball bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for R 8-2Z and any equivalents.
SKF R series deep groove ball bearings are single row, inch-dimension bearings built to handle moderate radial and axial loads in both directions. Their compact design suits equipment with limited mounting space that also needs smooth, quiet running. MR Industrial Accessories LLC supplies this line and helps you match the correct part number to your application.
Reading the designation is straightforward. The letter R comes first, followed by a number that sets the size in inches, and any suffixes describe the configuration. In R 8-2Z, for instance, the 8 defines the basic inch dimensions, while 2Z tells you the bearing has metal shields on both sides. Those shields keep out dust and dirt, though they do not hold lubricant the way a seal does. Understanding this code makes it easier to identify the bearing you need.
Inch deep groove ball bearings show up across many industrial and transport applications. They are common in centrifugal pumps, fans, conveyors, machine tools and agricultural equipment. You will also find them in automotive assemblies and in food-industry machinery, where cleanliness and corrosion resistance matter. Because they run well at moderate and high speeds, they are a dependable choice for belt drives, pulleys and roller systems.
When selecting an R series bearing, consider the radial and axial load it will carry, the rotation speed and the surrounding conditions. The 2Z suffix provides particle protection, but if moisture or liquids are present, a contact seal may be the better option. During mounting, check alignment between shaft and housing to avoid extra loads. Factory lubrication normally lasts the full service life in standard applications, though demanding environments may call for relubrication. Always confirm shaft and housing tolerances.
On interchangeability, SKF R series bearings can be replaced by products from other makers that use the same inch designation, such as another firm's R series. Still, compare the exact dimensions and tolerances, since small differences can exist between manufacturers. A matching part number alone is not enough; the technical specifications must line up. If anything is unclear, our team can help you verify compatibility.
If you need an SKF deep groove ball bearing from the R series, MR Industrial Accessories LLC can guide you to the right part number. Send it to us by WhatsApp or email and we will reply with a quote. We work with leading brands to provide reliable solutions.
Dimensions
Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.
Frequently asked questions
- What does the 2Z suffix mean on an SKF R series bearing?
- It means the bearing has metal shields on both sides. These shields block dust and particles, but they are not hermetic seals. In wet or liquid environments, a contact seal is recommended.
- How do I find the correct R series bearing part number?
- The part number starts with R, then a number for the inch size, plus suffixes for features like shields or internal clearance. To pick the right one, you need the shaft and housing dimensions along with load and speed conditions.
- Can I use another brand in place of an SKF R series bearing?
- Yes, if the other brand offers the same inch designation and equivalent specifications. Check dimensions and tolerances, as they can differ between manufacturers. If you are unsure, send us the part number and we will advise you.

