NNU4972 SK.M.SP Cylindrical Roller Bearing360x480x118mm
Introduction Of NNU4972 SK.M.SP Cylindrical Roller Bearing
Double row cylindrical roller bearings NNU4972 SK.M.SP are fitted as standard with machined brass cages, prong type, roller centred, no designation suffix.
Drawing Of NNU4972 SK.M.SP Cylindrical Roller Bearing
Specification Of NNU4972 SK.M.SP Cylindrical Roller Bearing
Bearing No.: | NNU4972 SK.M.SP |
Main dimensions | 360x480x118mm |
Inside diameter(ID d) | 360 mm |
Outside diameter(OD D) | 480 mm |
Thickness/width(T/B/H) | 118 mm |
Reference speed grease lubrication | 1500 r/min |
Limiting speed for oil-air lubrication | 1700 r/min |
Mass(kg) | 55 |
Type | Cylindrical roller bearings |
Description | Double-row cylindrical roller bearings |
Features:
If you need extremely high running accuracy, we recommend installing the flangeless inner ring of NNU 49 series bearings on the shaft, and then grinding the inner ring raceway and other shaft diameters at once.
For these applications, we can provide NNU 49 series bearings with tapered bore and fine grinding allowance on the inner ring raceway (name suffix VU001). The finishing allowance depends on the bore diameter of the inner ring.
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