A needle roller bearing is a type of anti-friction bearing
that uses a rolling element to facilitate movement. Like a
ball bearing, it has an inner and outer race with a rollers in
between. What makes a needle bearing unique is how it
uses very small rollers compared to the larger rollers found
in bigger roller bearings. This allows the bearing to have a
much slimmer cross section, making them ideal for
applications where a much more compact bearing is
needed. There is also more surface area than that of a standard ball bearing, giving them
excellent load handling capability. Although needle bearings are available with inner races,
depending on the application the inner race can be discarded and the rollers can make direct
contact with the rotating shaft. Powerhouse Bearing & Supply carries a large assortment of
needle bearings for industrial applications.
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