1.Category: Clindrical roller bearings
2.Model:NNU4984K
3.d: 420 mm
4.D: 560 mm
5.B: 140 mm
6.Cr: 1740 N
7.COr: 4500 N
8. Grease RPM: 900 1/min
9.Oil RPM: 1100 1/min
10.m: 87.7 kg
11.New Model:NNU4984K
12.Old Modle: NNU4984K
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