Cylindrical roller bearing SKF NJ 317 ECM/C4VA301

SKF NJ 317 ECM/C4VA301 is a cylindrical roller bearing reference, within Bearings. Request a quote for NJ 317 ECM/C4VA301 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

SKF NJ series cylindrical roller bearings are components designed to withstand high radial loads and considerable speeds. Their design with cylindrical rollers and steel cage allows precise operation in demanding industrial applications. They are used in heavy machinery, gearboxes, pumps and transmission equipment. At MR Accesorios Industriales we sell them as part of our SKF bearing line.

The designation NJ … ECM/C…VA… is interpreted as follows: NJ indicates that the bearing has two ribs on the outer ring and one on the inner ring, which allows axial guidance in one direction. The number that follows, for example 312, 314 or 320, corresponds to the size of the diameter and width series. The suffix ECM indicates a one-piece machined brass cage, roller-guided, suitable for high speeds and temperatures. C4 indicates an internal radial clearance greater than normal, and VA301 is a particular execution specification. Examples such as NJ 312 ECM/C4VA301 or NJ 326 ECM/C4VA301 show the combination of these elements.

These bearings are used in industries such as steel, cement, mining, paper and machinery manufacturing. They are common in speed reducers, gearboxes, centrifugal pumps, compressors, industrial fans and belt or chain transmission equipment. In Argentina, they are found in processing plants, mills, conveyors and agricultural machinery. Their ability to withstand high radial loads and moderate to high speeds makes them versatile for rotating equipment subjected to continuous stress.

To select the right bearing, take into account the radial load, rotation speed and environmental conditions. The C4 clearance is useful when thermal expansion or interference fits on the shaft or housing are expected. The ECM cage requires adequate lubrication; check the type of grease or oil and the relubrication frequency. During mounting, ensure shaft and housing alignment, and avoid blows that could damage the rollers or raceways. Mounting with a hydraulic press or induction heater is preferable to direct impacts.

SKF NJ series bearings can be interchanged with equivalent products from other brands that follow the same dimensional and execution designation. However, tolerances, internal clearance and cage type may vary between manufacturers. Therefore, when replacing a bearing, always verify the main dimensions, clearance and operating conditions. Do not invent codes: if you have doubts, consult our technical team. Interchangeability is possible, but it requires confirming that the specifications match the application.

If you need an SKF NJ series cylindrical roller bearing, send us the complete code via WhatsApp to MR Accesorios Industriales. We advise you so you can choose the correct execution for your equipment. With more than 80 years in the market, at MR Accesorios Industriales we have the experience to help you find the right solution.

This description provides guidance on the product type. Check the configuration and dimensions of this reference.