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NTN 7E-HMK4020 is a heavy-duty drawn cup needle roller bearing with a 40 mm bore and 52 mm outside diameter. This open-end design features a caged roller complement for high radial load capacity in compact spaces. Suitable for automotive transmissions, gear pumps, and industrial machinery where limited radial space requires a thin-section bearing.
MODEL 7E-HMK4020
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$18.83 Each
Prices are subject to change
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Brand Minimum Order Quantity: 4
Typically Ships in: 1 day
Returnable: See conditions
I.D.
40 mm
O.D.
50 mm
Width
20 mm
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.
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