Ball bearing
deep groovesphericaldouble-row

ball bearing
ball bearing
ball bearing
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Rolling element
deep groove, spherical, double-row
Other characteristics
high-speed, sealed, self-aligning, low-noise, low-friction
for rolls, journal, for fans
Inside diameter

Min.: 5 mm (0.2 in)

Max.: 240 mm (9.45 in)

Outside diameter

Min.: 19 mm (0.75 in)

Max.: 320 mm (12.6 in)


Min.: 6 mm (0.236 in)

Max.: 60 mm (2.362 in)


Self-aligning ball bearings have two rows of balls, a common sphered raceway in the outer ring and two deep uninterrupted raceway grooves in the inner ring. They are available open or sealed. The bearings are insensitive to angular misalignment of the shaft relative to the housing (fig. 1), which can be caused, for example, by shaft deflection. Product details Designs and variants Bearing data Loads Temperature limits Permissible speed Design considerations Mounting Designation system Accommodate static and dynamic misalignment The bearings are self-aligning like spherical roller bearings or CARB bearings. Excellent high-speed performance Self-aligning ball bearings generate less friction than any other type of rolling bearing, which enables them to run cooler even at high speeds. Minimum maintenance Because of low heat generation, the bearing temperature is lower, leading to extended bearing life and maintenance intervals. Low friction Very loose conformity between balls and outer ring keeps friction and frictional heat at low levels. Excellent light load performance Self-aligning ball bearings have low minimum load requirements. Low noise Self-aligning ball bearings can reduce noise and vibration levels, for example, in fans.


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