SKF 61903 Bearing

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FAQS

QWhat are needle roller bearings used for?

AA needle roller bearing is a bearing that uses small cylindrical rollers. These rollers are used to reduce friction of a rotating surface. Compared with ball bearings, needle roller bearings have a large surface area that is in contact with the bearing raceway journals.

QHow does a plain bearing work?

APlain bearings are mechanical components charged with bearing a load and allowing a sliding or rotational motion between two parts of a machine. Their main purpose is preventing wear of the points of support of the machine, which would take place if the shafts were to roll directly on the structure

QHow do self aligning bearings work?

ASelf-aligning ball bearings contain two rows of balls and an outer ring that is spherical in shape. It is this unique outer raceway (sometimes doubled in self-aligning bearings) of this ball bearing that allows it to self-align as well as operate smoothly without any stress to the bearing.

QWhat are spherical roller bearings used for?

ASpherical Roller Bearings. Spherical Roller Bearings are designed to work in applications where severe misalignment exists whether from mounting or shaft deflection and with relatively heavy radial loads and some axial loads in either direction.