Needle Roller Bearing HMK 1520 NTN 15x22x20

Product overview

The HMK1520 NTN 15x22x20 needle roller bearing is a high-precision drawn cup needle roller bearing designed for applications requiring compact construction, high load capacity, and reliable rotational performance. Its thin-walled outer ring and optimized cylindrical rollers ensure excellent load distribution, reduced friction, and extended operating life compared to standard rolling bearings. The compact design enables installation where radial space is limited.

Frequently searched phrases supporting product visibility include:
“needle roller bearing 15x22x20”, “HMK1520 NTN bearing”, “drawn cup needle roller bearing”, “NTN needle bearing”, “industrial needle bearings”.

Key benefits

• High load capacity and excellent resistance to fatigue under shock and vibration.

• Compact drawn-cup design, ideal for tight radial mounting spaces.

• Precision NTN manufacturing quality ensures long, failure-free operation.

• Low friction coefficient, reducing heat generation during continuous operation.

• Reliable performance in demanding industrial environments.

Typical industrial applications

This model is widely used in:

• Gearboxes and transmissions

• Power tools and electric motors

• Agricultural and construction machinery

• Automotive systems (shafts, CVT units, pumps)

• Conveyor systems and industrial automation equipment

Technical data

• Model: HMK1520 NTN

• Type: needle roller bearing / drawn cup

• Dimensions: 15x22x20 mm

• Design: full complement needle rollers, open type

• Precision class: C3 clearance available depending on application variant

FAQ

Is the HMK1520 a full-complement needle bearing?
Yes, it contains a full complement of precision-ground cylindrical rollers for high load capacity.

Can this bearing work without an inner ring?
Yes, if the shaft surface is hardened and ground to bearing standards. Otherwise an inner ring is recommended.

What lubrication is recommended?
Grease or oil depending on the operating speed and thermal conditions.

Where is this bearing typically installed?
In compact rotating assemblies where standard ball bearings cannot fit.

Is NTN a premium industrial brand?
Yes, NTN is one of the world leaders in precision bearings for high-duty industrial equipment.