roller bearing

Packaging Details A: barreled package+outer carton+pallets B: single box+outer carton+pallets C: tube package+middle

Selling Units:Single item Single package size: 17X17X4 cm Single gross weight:4.300 kg Package Type: Bearing packaging: 1. Commercial packaging: 1pc/plastic bag + color box +carton + pallet; 2. Industrial packaging: a). plastic tube + carton + pallet; b). plastic bag + kraft paper + carton + pallet; 3. According to the requirement of customer

20mm Drawn Cup Needle Roller Bearing HK2016 HK2020 Needle roller bearings (needle bearing) is a cylindrical roller with a roller bearing, relative to its diameter, roller both thin and long. This is called needle roller. Despite having a smaller cross-section, has a higher load bearing capacity, equipped with a 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 mounting dimensions restricted support structure. 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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