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Koyo NAXK20 combined needle roller and ball thrust bearing with a 30 mm bore, 20 mm outside diameter, and 30 mm width. This compact unit integrates a needle roller radial section and a ball thrust section for combined radial and axial loads in a single housing. Suitable for machine tools, gearboxes, and industrial equipment where space is limited.
MODEL NAXK20
Returnable: See conditions
Bearing Type
Needle Radial, Ball Thrust, Separable
Bore
30
I.D.
30 mm
O.D.
20 mm
Overall Width
30 mm
Radial Bearing OD
30 mm
Shaft Dia.
20 mm
Thrust Bearing OD
35 mm
- Best used for applications that require axail and radial loads
- Made from premium high carbon high chromium steel
- Available with a dust cap (.Z)
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.