Needle roller bearing NKI series

needle roller bearing
needle roller bearing
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Rolling element
needle roller
radial, axial, single-row
Other characteristics
combined, for heavy loads, with lubricant
Inside diameter

Max.: 70 mm (2.76 in)

Min.: 12 mm (0.47 in)

Outside diameter

Max.: 100 mm (3.94 in)

Min.: 24 mm (0.94 in)


Max.: 45 mm (1.772 in)

Min.: 16 mm (0.63 in)


SKF combined needle roller bearings consist of a radial needle roller bearing combined with a thrust bearing. They can accommodate both radial and axial loads. They are particularly suitable for applications where other types of locating bearing arrangements occupy too much space, or where the axial loads are too heavy, the speeds are too high, or the lubricant is inadequate for arrangements with simple thrust washers. SKF supplies combined needle roller bearings in three basic designs: Needle roller / angular contact ball bearings Needle roller / thrust ball bearings Needle roller / cylindrical roller thrust bearings Relubrication intervals for the radial and thrust part of the bearing must be calculated separately. The shorter of the two intervals should be used. For additional information about lubrication, refer to Lubrication. Product details Bearing data Loads Temperature limits Permissible speed Design considerations Designation system


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