IPDB › China Industry › Industrial Equipment & Components › Bearing
High Precision Hj162416 Inch Needle Roller Bearing 25.4*38.1*25.4mm1
Needle Bearing, Needle Bearing, Needle Roller Bearing
Zaozhuang Yiding Bearing Co., Ltd.
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Product Description High precision HJ162416 inch needle roller bearing 25.4*38.1*25.4MMDesicrption Needle roller bearing (solid ring needle roller bearing) The solid ring needle roller bearing is composed of a ring and a needle roller group with a cage. It has smaller volume and higher carrying capacity. Therefore, this kind of bearing can meet the requirements of light weight, small space and large transmission power. Depending on the application, bearings with or without an inner ring are availableInner ring needle roller bearings RNA, NK type Needle roller bearings without inner ring are suitable for components with limited radial dimensions. Because there is no inner ring, the journal surface that matches it directly serves as the rolling surface. It is required that the surface hardness is not lower than HRC6O, and the surface roughness ra value is not more than 0.63um. This kind of bearing does not limit the axial displacement of the shaft or the shell, and the limit speed is high. There are inner ring needle roller bearings NA, NKI type This kind of solid ferrule needle roller bearing has no ribs on the inner ring, so the inner ring, the outer ring, the full set of needle rollers and the cage can be installed separately without restricting the axial displacement of the shaft or the housing. Because the cage separates the needle rollers and reduces friction, it can be used in components with higher rotational speeds. Needle roller bearings without inner ring with cageNA and NKI type bearings without inner ring are RNA and NK type needle roller bearings.This kind of bearing has no inner ring and is suitable for the support structure with limited radial installation size, and the journal matched with the bearing directly serves as the rolling surface. As the shaft of the raceway surface, the hardware must be hardened and ground, and only when it is processed to the appropriate size and shape accuracy, the complete set of needle roller bearings can achieve high life and running accuracy. At the same time, since there is no inner ring, the diameter of the shaft can also be appropriately increased, thereby increasing the rigidity.Sealed needle roller bearings with or without inner ringNeedle roller bearings sealed on one or both sides can effectively prevent the intrusion of dirt, and the bearing has been filled with an appropriate amount of lithium-based grease. The inner ring of this type of bearing is wider than the outer ring, which enables the bearing to ensure a good seal even when the shaft has a slight displacement relative to the bearing housing to avoid contamination of the bearing. The inner ring of the bearing also has lubricating oil holes, which can be supplemented by the outer ring or the inner ring according to the needs of the configuration.We offer different types RNA4900 14*22*13 No inner ring solid ferrule needle roller bearingNA4900 10*22*13 Needle roller bearing with inner ring solid ringRNA4900RS 14*22*13 No inner ring single seal solid ring needle roller bearingNA4900RS 10*22*14 Solid ring needle roller bearing with inner ring sealRNA4900.2RS 14*22*13 No inner ring double seal solid ring needle roller bearingNA4900.2RS 10*22*14 Solid ring needle roller bearing with inner ring sealIR101413 IR101414 OH inner ring available from stockApplicationHeavy industry machine tool parts matchinggearboxtransfer caseengineSteering and Braking SystemAxle support endoutboard engineelectrical toolscopierprinting pressfax machineAll kinds of machineryStock bearing model number Shaft DiameterModel numberWeight Bearing DimensionsBasic Load RatingLimiting Speed dFwDBD1 Cr Cor FCDynamicStatic mmgmmNrpmWithout inner ring15RPNA 15/2832--15281224.5466057002400018RPNA 18/3252--183216279800140002200020RPNA 20/3562--20351630.510500155002100025RPNA 25/42109--25422036.514900278001800028RPNA 28/44112--28442038.520500319001600030RPNA 30/47125--3047204220980335001500035RPNA 35/52131--35522047.521500396001300040RPNA 40/55141--40552050.524000447001100045RPNA 45/62176--45622058248005090010000With inner ring12PNA 12/28371215281224.5466057002400015PNA 15/326215183216279800140002200017PNA 17/35731720351630.510500155002100020PNA 20/421362025422036.514900278001800022PNA 22/441452228442038.520500319001600025PNA 25/47157253047204220980335001500030PNA 30/521813035522047.521500396001300035PNA 35/551773540552050.524000447001100040PNA 40/622274045622058248005090010000We also offer other model as belowK series needle roller bearings.
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