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INA needle roller bushing · INA HK3038-ZW
Drawn cup needle roller bearing INA HK3038-ZW

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Drawn cup needle roller bearing INA HK3038-ZW

Manufacturer Part Number
HK3038-ZW
Brand
INAOfficial brand
Category
Bearings
Subcategory
Needle roller bearing

INA

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Description

INA HK3038-ZW is a needle roller bearing reference, within Bearings. Request a quote for HK3038-ZW via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The INA HK-ZW series needle roller bushing is a thin-walled radial bearing, without an inner ring, that is mounted directly on the shaft. Its compact design allows radial space to be reduced in supports where the mounting height is limited. It is used in transmissions, machine tools, packaging equipment and similar applications. MR Accesorios Industriales supplies this line as an official brand, with technical advice to choose the right size.

The HK-ZW series designation is read as follows: HK identifies the thin-walled needle roller bushing; the numbers that follow indicate, in millimeters, the bore diameter and the overall width. For example, HK1522-ZW corresponds to a bushing for a 15 mm shaft and 22 mm width; HK3038-ZW, for a 30 mm shaft and 38 mm width. The suffix ZW indicates that the assembly incorporates two needle retaining washers, one on each side. This nomenclature allows the size to be identified without measuring the component.

In Argentine industry, needle roller bushings are used in gearboxes, pumps, compressors, packaging machines, textile equipment and chain transmissions. Their low profile makes them suitable for supports where there is no room for a ball bearing. They also appear in power tools and in automation mechanisms that require precise radial movements with moderate loads.

To select an HK-ZW bushing, check the shaft diameter and the available width. Since they do not have an inner ring, the raceway is ground directly on the shaft, with adequate hardness and roughness. Mounting is done by press fitting or with a slight fit; it is advisable to align the shaft with the housing to avoid lateral loads. Lubrication can be grease or oil, depending on the operating conditions. If the environment is dusty or damp, consider additional sealing.

INA needle roller bushings are interchangeable with those of other brands that follow the same dimensional designation, such as SKF, FAG or NSK, as long as diameter, width and suffix type match. In practice, interchangeability is based on the dimensional standard and the design, not on the commercial code. To replace a bushing, compare the dimensions and the type of needle retainer before deciding.

If you need an INA HK-ZW series needle roller bushing, write to us on WhatsApp with the code or size you are looking for. At MR Accesorios Industriales we advise you to choose the right option and we reply promptly.

This description provides guidance on the product type. Check the configuration and dimensions of this reference.

Dimensions

Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm dimensions, sealing, and internal clearance against the manufacturer's data sheet.

Frequently Asked Questions

What does the ZW suffix mean in an HK bushing?
The ZW suffix indicates that the bushing incorporates two retaining washers, one at each end, that guide and retain the needles. This facilitates mounting and improves the stability of the assembly in applications with radial loads.
Does this bushing need an inner ring?
No. The HK-ZW bushing does not have an inner ring: the needles roll directly on the shaft surface, which must be ground and have adequate hardness. If the shaft does not meet these conditions, an additional inner ring can be used.
How do I request the right size?
Provide the full code, for example HK1522-ZW, or the shaft diameter and width dimensions. With that data we verify the designation and send you a quote on WhatsApp promptly.
Request a quote on WhatsApp