Basic Part No. Dimension Basic Load ratings Limiting Speed NSK
Model
SKF Barden
Open Metric (mm) Cr (KN) Cor (KN) Grease(r/min) Oil(r/min)
d D D2 max B B1
618/1 1 3 - 1 - 0.080 0.023 130,000 150,000 681 - -
638/1   3 - 1.5 - 0.080 0.023 130,000 150,000 MR31 - -
619/1   4 - 1.6 - 0.138 0.035

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