
INA HK4020-2RS drawn cup needle roller bearing
- Brand
- INA
- Category
- Bearings
- Subcategory
- Needle roller bearing
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Description
INA HK4020-2RS belongs to drawn cup needle roller bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for HK4020-2RS and any equivalents.
When radial space is tight, the INA HK RS series needle bushing offers a compact option. It consists of a cage with needles that run directly on the shaft, so no inner ring is needed. MR Industrial Accessories LLC supplies this INA line to customers across the United States and Latin America, and can help you match the right part number to your application.
The part number breaks down into three parts. The letters HK identify a thin-walled needle bushing. The first digits give the shaft diameter and the second digits the width. For instance, HK0810-2RS fits a shaft of 8 mm and has a width of 10 mm, while HK1012-RS fits a shaft of 10 mm and has a width of 12 mm. The suffix RS means a seal on one side; 2RS means seals on both sides. These elastomer lip seals keep out dust and moisture and help hold lubricant in place.
Typical uses include belt and chain drives, pumps, compressors, textile machinery, packaging equipment and power tools. They also appear in conveyor rollers, road machinery, agricultural implements and material handling equipment. Because the profile is so low, a needle bushing can often replace a bronze or friction bushing, reducing wear and improving efficiency.
Selection depends on shaft diameter, available width and sealing needs. A single RS seal works in moderately dusty conditions; 2RS provides better protection where moisture or particles are present. Press the bushing into the housing, and make sure the shaft is ground and lubricated. Correct alignment matters, and axial loads should be avoided because these bearings are designed for radial loads only.
Metric needle bushings from different manufacturers often interchange when they follow the same dimensional standards. Still, verify the complete part number and tolerances, since sealing or internal clearance can differ. MR Industrial Accessories LLC supplies INA as one of its brands and can suggest alternatives if you need an equivalent reference.
If you have the part number, send it via WhatsApp or email and we will quote promptly. If you are unsure of the designation, provide the shaft and housing dimensions along with your application details, and we will help identify the correct bushing.
Dimensions
Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.
Frequently asked questions
- What does the RS suffix mean on an INA needle bushing?
- RS indicates an elastomer seal on one side; 2RS means seals on both sides. These seals block dust and moisture and help retain lubricant.
- Can an HK RS bushing be mounted directly on the shaft?
- Yes, because there is no inner ring, the shaft itself serves as the raceway. The shaft must be ground, have suitable hardness and roughness, and be well lubricated.
- How do I request a quote for an INA HK RS bushing?
- Send the full part number shown on the bearing or drawing via WhatsApp or email. If you do not have it, provide the shaft and housing dimensions and we will help identify the reference.

