NSK RS-5011NR cylindrical roller bearing

NSK RS-5011NR belongs to cylindrical roller 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 RS-5011NR and any equivalents.

The RS-50 series from NSK covers single-row cylindrical roller bearings that handle significant radial loads and run at considerable speeds. The NR suffix means the outer ring is machined with a circumferential groove and comes with a resilient retaining ring, so the bearing can be located axially in the housing without side covers. Typical installations include machine tools, gearboxes and transmission equipment where rigidity and precision matter.

Reading the code: RS-50 designates the series, NR tells you the outer ring has a groove plus retaining ring, and the final two digits give the bore in millimeters. That makes it straightforward to identify the size you need from the designation alone.

These bearings appear in gearboxes, centrifugal pumps, industrial fans, conveyors and textile machinery. Their radial load capacity and stiffness suit gear transmissions and any setup where the shaft must stay precisely aligned. Because the groove and ring take care of axial location, housing design is simpler, machining costs drop and assembly in tight spaces becomes easier.

When selecting an RS-50 NR, consider the radial and axial loads, the operating speed and the environment. Confirm the housing has the correct groove for the retaining ring and that the shaft meets the recommended tolerance. Grease or oil lubrication both work depending on the application; maintain a proper lubricant film and keep contamination out with seals or protectors. Shaft-to-housing alignment is critical to avoid parasitic loads and to extend service life.

For equivalences, cylindrical roller bearings with standardized dimensions can be interchanged between manufacturers when bore, outer diameter, width and execution type match. The NSK RS-50 series may have equivalents in other brands under similar designations, but always verify tolerances and internal clearance. If you are replacing a part, send the code or dimensions via WhatsApp or email and we will point you to a compatible option.

MR Industrial Accessories LLC supplies the NSK RS-50 NR series with technical support. If you need a bearing for your equipment, send the complete code or dimensions via WhatsApp or email and we will quote it promptly. We can also advise on assembly and proper lubrication for your application.