SKF 6305-2Z/C3GJN deep groove ball bearing

SKF 6305-2Z/C3GJN is a reference of deep groove ball bearing, within Bearings. Request a quote for 6305-2Z/C3GJN via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The deep groove ball bearing is the most common and versatile type: it supports moderate radial and axial loads in both directions, and performs well at high speeds. This SKF variant combines double metal shield protection (2Z), increased internal clearance C3 and high-temperature GJN grease. It is used in electric motors, pumps, fans and transmissions where a sealed bearing is needed, ready to mount and with long lubrication life.

The designation of these bearings follows the SKF system: the basic number (for example, 6001, 6200, 6202) indicates the size and series. The 60 series is thin-section, the 62 series is medium-section and the 63 series is more robust. The suffixes 2Z mean double steel shield with groove, which protects against dust and splashes without fully sealing. C3 indicates greater than normal internal radial clearance, useful when there are tight fits or thermal gradients. GJN identifies a polyurea grease with a wide thermal range. Thus, 6001-2Z/C3GJN is a bearing of the 60 series, size 01, with double shield, C3 clearance and GJN grease.

These bearings are found in countless industrial applications in Argentina: low and medium power electric motors, centrifugal pumps, fans and extractors, conveyor belts, machine tools and refrigeration equipment. Also in the agro-industrial sector, in seeders and harvesters, and in the food industry where cleanliness is demanding. The combination of 2Z sealing and GJN grease makes them suitable for dusty environments and moderate temperatures, as long as there is no direct contact with pressurized water.

To select correctly, take into account the radial and axial load, the rotation speed and the environmental conditions. C3 clearance is recommended when the fit on the shaft or in the housing is tight, because it compensates for the reduction in clearance due to interference. The 2Z protection is not watertight, so if there is a lot of humidity or fine particles, it is advisable to evaluate a 2RS seal. The GJN lubrication is already applied at the factory; it does not require additional maintenance in most cases. When mounting, ensure correct alignment and avoid blows that could damage the raceways.

As for equivalences, deep groove ball bearings with similar suffixes from other brands can be interchanged, but always verify the tolerances and internal clearance. A C3 from one brand does not always match exactly that of another. The basic designation (for example, 6202) is usually common, but the sealing and lubrication suffixes vary. If you need to replace a bearing, the safest thing is to compare the critical dimensions and operating conditions. At MR Accesorios Industriales we sell SKF as a brand and we can advise you with the appropriate equivalence.

If you already have the code of your bearing, send it by WhatsApp to MR Accesorios Industriales and we will quote you. We can also help you identify the replacement if you only have the measurements or a photo. At MR we know the applications and we give you a hand so you choose well.