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Unit of Measure
Items
Four Point Contact Ball Bearing

Four Point Contact Ball Bearing

Four Point Contact Ball Bearing

Four Point Contact Ball Bearing

Four Point Contact Ball Bearing
Bore Diameter N/A 20 mm N/A 20 mm N/A 25 mm N/A 25 mm N/A 30 mm
Outside Diameter N/A 47 mm N/A 52 mm N/A 52 mm N/A 62 mm N/A 62 mm
Overall Bearing Width N/A 14 mm N/A 15 mm N/A 15 mm N/A 17 mm N/A 16 mm
Dynamic (Cr) Load Rating N/A 23.5 kN N/A 27.4 kN N/A 26.7 kN N/A 40.8 kN N/A 36.3 kN
Minimum Dimension r N/A 1 mm N/A 1.1 mm N/A 1 mm N/A 1.1 mm N/A 1 mm
Static (Cor) Load Rating N/A 15.3 kN N/A 18.1 kN N/A 18.8 kN N/A 28 kN N/A 27.6 kN
Grease Limiting Speed N/A 12000 rpm N/A 11000 rpm N/A 10000 rpm N/A 9200 rpm N/A 8600 rpm
Oil Limiting Speed N/A 16000 rpm N/A 15000 rpm N/A 14000 rpm N/A 13000 rpm N/A 12000 rpm
Distance of Working Points a N/A 23.5 mm N/A 25.2 mm N/A 270 mm N/A 30.5 mm N/A 32.6 mm
Minimum Shoulder Dimension da N/A 25.5 mm N/A 27 mm N/A 30.5 mm N/A 32 mm N/A 35.5 mm
Maximum Shoulder Dimension Da   N/A 41.5 mm N/A 45 mm N/A 46.5 mm N/A 55 mm N/A 56.5 mm
Maximum Shoulder Dimension ra N/A 1 mm
Approximate Mass N/A 0.129 kg N/A 0.179 kg N/A 0.156 kg N/A 0.285 kg N/A 0.241 kg