30304-zz 30304-2rs single row tapered row roller bearings have an outer ring, the inner ring and a set of tapered roller by the box-type cage cover into an inner component. Outer ring and the inner ring component separation, in accordance with ISO Tapered roller bearings Dimensions standard provisions, any one of the standard models of tapered roller bearing outer or inner components and outer ring of the same model or inner components achieve internationally swap. The outer ring of the same type, except the Ministry of dimensions, tolerances required to comply with ISO492 (GB307) regulations, the cone angle of the inner components, component cone diameter must also comply with the relevant provisions of the swap.
inner diameter :20mm
outer diameter: 52mm
thickness : 15mm
basic load rating: 25300
limited speed: 7100-11000
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