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The SKF 6030-2Z/C3 metal shielded deep groove ball bearing provides rotational support for larger shafts where a 150mm bore must fit within a 225mm housing diameter. Its 35mm width and relatively slim 60 series geometry help limit radial installation space compared with heavier bearing series. The single row deep groove raceways accommodate predominantly radial loads together with axial forces in either direction, within the bearing's rated limits. Published SKF product data gives both a 125kN basic dynamic load rating and a 125kN basic static load rating. These values assist with fatigue-life calculations, assessment of stationary loading and selection for demanding industrial equipment. The bearing's cylindrical bore requires suitable shaft and housing fits to maintain correct support and alignment.
The 2Z designation identifies non-contact steel shields on both sides, which help retain the factory grease and restrict the ingress of larger contaminants without the rubbing friction associated with rubber contact seals. The shields are not equivalent to fully contacting seals, so environments exposed to significant water or fine contamination may require additional protection. The C3 suffix specifies greater-than-normal radial internal clearance, allowing for clearance reduction caused by interference mounting and operating temperature differences when correctly selected. SKF lists a 6,000rpm reference speed and a 3,000rpm limiting speed for this configuration; these are different engineering values and must not be treated as interchangeable. When replacing an existing bearing, confirm the full 6030-2Z/C3 designation, shielding arrangement and clearance class rather than relying on dimensions alone.
Typical Applications:
Large industrial electric motor shaft assemblies
Industrial ventilation and extraction fan systems
Centrifugal pump and fluid-handling equipment
Industrial drive and power transmission machinery
Heavy-duty rotating equipment with 150mm shaft seats
