NSK R 188 ZZ deep groove ball bearing
- Brand
- NSK
- Category
- Bearings
- Subcategory
- Deep groove ball bearings
- Series
- Inch Series
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Description
NSK R 188 ZZ belongs to 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 188 ZZ and any equivalents.
The NSK R ZZ series is a single-row deep groove ball bearing with metal shields on both sides, built to handle moderate radial and axial loads in either direction. It suits equipment that needs low maintenance and protection from dust and dirt. MR Industrial Accessories LLC supplies this series to customers across the United States and Latin America, quoting by part number through WhatsApp or email.
Reading the designation helps you order correctly. The R stands for NSK's Inch Series, so all dimensions are in inches. The number after it indicates the size within that series. The ZZ suffix means two metal shields, one on each side, that keep contaminants out of the bearing. For instance, R 6 ZZ is an R series bearing with shields on both sides. Each part number carries its own dimensions, which we provide with your quote.
These bearings appear in food processing, textile, packaging and precision machinery where space is tight and loads are moderate. In the US and Latin America, you will find them in small electric motors, fans, pumps, conveyors and laboratory equipment. The metal shields make them suitable for dusty or particle-laden environments, but they are not intended for immersion.
Selection depends on shaft diameter, radial and axial loads, and rotation speed. The ZZ shield is non-contacting, so it permits higher speeds than a rubber seal but retains less lubricant. During mounting, check alignment of shaft and housing, and avoid striking the shields. Bearings come pre-lubricated from the factory; if relubrication is needed, contact us for guidance.
NSK R ZZ series bearings can be interchanged with other brands that use the same Inch series nomenclature, such as the 1600 or 6000 series in inches. Always confirm the critical dimensions: bore, outer diameter and width. If you have a part number from another brand, we can identify the compatible equivalent. MR Industrial Accessories LLC helps you choose the right part.
Need an NSK R ZZ series deep groove ball bearing? Send the part number by WhatsApp or email and we will quote it promptly. If you need a variant you do not see, write to us with the model or dimensions and we will send an exact quote.
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 ZZ suffix mean on an NSK R series bearing?
- The ZZ suffix indicates two metal shields that protect against dust and dirt. They are non-contacting, allowing higher speeds than rubber seals but with lower lubricant retention.
- How do I request a quote for an NSK R series bearing?
- Write to us by WhatsApp or email with the complete part number, for example R 6 ZZ, and we will quote it promptly. If you are unsure about the designation, send us the shaft and housing dimensions and we will help identify the bearing.
- Can I replace an NSK R series bearing with one from another brand?
- Yes, as long as the other brand uses the same inch series nomenclature and the dimensions match. If you send us the original brand's part number, we will tell you the compatible equivalent and quote the option you need.