SKF NJ 2004 EV/C3 cylindrical roller bearing

SKF NJ 2004 EV/C3 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 NJ 2004 EV/C3 and any equivalents.

For assemblies that must carry heavy radial loads while letting the shaft expand, the SKF NJ EV/C series cylindrical roller bearing is a common choice. Its design allows axial movement in one direction, which helps protect the bearing when temperatures rise. MR Industrial Accessories LLC supplies this series to maintenance and purchasing teams across the United States and Latin America, with support to confirm the exact variant before you order.

Reading the designation helps you avoid a wrong replacement. NJ means the outer ring carries two ribs and the inner ring one, so the bearing can guide the shaft axially in a single direction. The digits that follow, as in NJ 2004 EV/C3, define the size and dimensional series. EV points to a machined brass cage built for higher speeds and loads. After the slash, the C suffix marks internal clearance options such as C3, which provides extra radial clearance for hot running conditions.

These bearings suit equipment where radial forces are heavy and speeds range from moderate to high. Typical installations include gearboxes, centrifugal pumps, industrial fans, machine tools and power transmission drives. Railway and cement plants also use them on long shafts that need room to expand. Because they accommodate combined loads, they fit where a rigid bearing would be the wrong solution.

Selection depends on sealing, internal clearance and lubrication. NJ EV/C bearings normally run with oil or grease, chosen according to speed and operating temperature. Check shaft and housing alignment during mounting, since misalignment reduces service life. Choose C3 clearance when the inner and outer rings see large thermal differences. The brass cage handles shock and acceleration better than a stamped steel cage.

Interchange with other brands is possible when the main dimensions and design type match. A similar part number is not enough: compare bore, outer diameter, width and rib arrangement. An NJ bearing from another manufacturer can replace an SKF unit if load capacity and clearance are equivalent. For critical components, confirm the details with a specialist first.