WZZG 4pcs needle roller bearings NK30/20 NK30/30 30*40*20mm 30*40*30mm
WZZG Needle roller bearings without inner ring NK30/20 NK30/30
Model and size :
NK30/20 : 30*40*20 mm
NK30/30 : 30*40*30 mm
Number of rolling body columns: single column
Rolling bearing housing material :Bearing steel