With thin and long needle bearing roller (roller length of 3 to 10 times the diameter, the diameter of generally not more than 5mm), and therefore radial structure is compact, its diameter size and load capacity and other types of bearings, outer The minimum diameter, especially for radial bearing mounting dimensions restricted results. Depending on different occasions, it can be used without an inner ring of the bearing or needle roller and cage assembly, when the surface of the journal bearing surface and shell holes to match the inner bearing directly as outer rolling surface, in order to ensure load capacity and operating performance and have the same bearing rings, shaft or housing bore raceway surface hardness, machining accuracy and surface quality should be similar roller bearing rings. Such bearings can only bear radial load.
Needle roller bearing type
In addition to catalogs listed, it can be used for general engineering bearings, such as: open Needle roller bearings
(1), closed Needle roller bearings
(2), needle bearing inner ring
(3) and non-needle bearing inner ring
(4) SKF can supply all types of needle roller bearings, 1, needle roller cage assemblies
2, needle roller bearings without ribs
3, self-aligning roller bearings
4, combined needle roller / ball bearings
5, combined needle roller / thrust ball bearings
6, combined needle roller / cylindrical roller thrust bearings.

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