HK1612 Needle Roller Bearing Characteristics

Stamped outer ring HK1612 needle roller bearings are with thin stamped outer rings. Its main feature is a low cross-sectional height and high load-bearing capacity. Mainly used for bearing configurations that are compact in structure, cheap in price, and cannot be used as raceway components for needle roller cages. The bearings and bearing housings must be installed in an interference fit manner. If axial positioning functions such as shoulder and stop ring can be omitted, then the bore inside the bearing box can be made extremely simple and economical. The stamped outer ring needle roller bearings installed at the shaft end have double-sided open type and single-sided closed type. The base end face of the closed stamped outer ring can withstand relatively small axial guiding forces. Stamped outer ring needle roller bearings generally do not come with an inner ring. The quenched steel plate outer ring of the stamped outer ring needle roller bearing cannot be separated from the needle roller holder assembly. The free space for storing lubricants can extend the interval for replenishing lubrication.

  Generally, a single column design is adopted. Except for the wider specification bearings 1522,1622,2030,2538 and 3038 series, which are equipped with two needle roller cage components. The outer ring of the bearing has lubricating oil holes. According to user needs, all single row stamped outer ring needle roller bearings with a shaft diameter greater than or equal to 7mm can be equipped with an outer ring with lubricating oil holes (code suffix AS1).

  HK1612 oil sealed stamped outer ring needle roller bearings can provide open or closed end oil sealed stamped outer ring needle roller bearings in situations where oil seals cannot be installed due to space limitations. This type of bearing is filled with lithium based grease with good rust prevention performance, suitable for operating temperatures ranging from -20 to+100 ℃. The inner ring of the oil sealed bearing is 1mm wider than the outer ring, which ensures that the HK1612 bearing can work well with the oil seal even when there is a slight displacement of the shaft relative to the bearing housing, without causing contamination to the shaft. The inner ring of the bearing also has lubrication holes, which can be supplemented by the outer or inner ring according to the needs of the bearing configuration.

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