SKF NKXR 50 Z needle roller bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Needle roller bearing
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Description
SKF NKXR 50 Z belongs to needle 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 NKXR 50 Z and any equivalents.
A combined needle roller bearing from the SKF NKXR Z series handles both axial and radial forces within one compact unit. It fits equipment where mounting space is tight but load demands are significant, such as gearboxes, pumps and machine tools. MR Industrial Accessories LLC supplies this SKF line to customers in the United States and several Latin American countries.
Reading the NKXR Z code: NKXR identifies a combined needle roller bearing designed for simultaneous axial and radial duty, while the trailing Z means a protective washer is fitted. The numeric portion — 15, 17, 20 or 25, for example — gives the shaft diameter in millimeters. So an NKXR 20 Z mounts on a 20 mm shaft. Multiple sizes exist within the series to cover different shaft dimensions.
Typical industries that rely on this bearing include automotive, metallurgical, food processing and petrochemical. It appears in gearboxes, oil pumps, compressors, machine tools and transmission equipment. Because it combines radial and axial functions in one component, it can replace separate bearing arrangements, which simplifies assembly and frees up housing space.
Selection depends on shaft diameter, the axial and radial loads involved, plus lubrication and speed conditions. The Z washer blocks particles but does not seal against liquids; if water or pressurized oil is present, consider other protection methods. Proper alignment and a suitable support surface are required during installation. Grease or oil lubrication may be used, following the manufacturer's guidance.
For equivalents, SKF NKXR Z series bearings can be interchanged with other brands that share the same designation and dimensions. Always check tolerances and internal clearance before substituting one brand for another. MR Industrial Accessories LLC can advise on interchangeability and source the exact part number you need.
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 Z in the NKXR Z part number indicate?
- The Z shows that the bearing comes with a protective washer to keep particles out. It is not a liquid-tight seal. If your application sees water or oil, ask us about alternatives with better sealing.
- How do I select the right size of NKXR Z bearing?
- The number in the part number — 15, 20 or 25, for instance — matches the shaft diameter in millimeters. Measure your shaft and confirm the axial and radial loads. If unsure, send us your equipment details and we will help.
- Can this bearing run at high speeds?
- Combined needle roller bearings handle moderate speeds, but the limit depends on lubrication and load. For high revolutions, review other options. Share your application data and we will recommend a solution.