KK Series Needle Bearings for Linear Guidance Systems
KK series needle bearings
Clearance: C4 C5
Model Number: KK12X15X20TN / KK15X19X24/
Company Type: Manufacturer
Vibration:Z2V2 Z3V3 Z4V4
With thin and long needle bearing roller (roller diameter D=5mm, L / D=2.5, L is the length of the roller), therefore radial structure is compact, its diameter size and load capacity and other types of bearings minimum diameter, especially for radial bearing installation dimensions restricted results. According to different occasions, can be used without inner ring of the bearing or needle roller and cage assembly, when the surface of the journal bearing surface and shell holes as bearing directly match the outer rolling surface, in order to ensure the load capacity and operating performance and have the same ring bearing, 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.
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