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Rolling ina bearings are classified according to the type and number of columns of their rolling elements, the direction of load they can bear, and whether they have automatic centering function.
Ball INA Bearing – the rolling element of ina bearing is steel ball;
Roller INA Bearing – the rolling element of ina bearing is roller.
Generally speaking, the allowable speed of ball INA Bearing with the same overall dimension is higher than that of roller INA Bearing, and the load capacity of roller ina bearing is greater than that of ball ina bearing.
(1) Short cylindrical roller INA Bearing – in roller INA Bearing, this ina bearing has high allowable speed and wide application,
(2) Long cylindrical roller INA Bearing – bearing large load and low allowable speed;
(2) Needle roller INA Bearing – compact radial size and widely used;
(4) Spiral roller INA Bearing – can withstand large impact load at low speed;
(5) Tapered roller ina bearing mainly bears radial load, but can bear large axial load;
(6) Spherical roller INA Bearing – it is an automatic self-aligning INA Bearing, which can compensate the error that the axis of the shaft and the seat hole are not collinear within a certain range, that is, misalignment error;
(7) Symmetrical spherical roller INA Bearing – it is a spherical roller INA Bearing with large bearing capacity. The shape of all rollers is spherical symmetry.
(1) Centripetal INA Bearing – it can only bear radial load, or it is mainly used to bear radial load and can bear some small axial load;
(2) Centripetal thrust ina bearing is used to bear radial load and axial load at the same time. Generally, it mainly bears radial load,
(3) Thrust centripetal INA Bearing – mainly bears axial load and small radial load;
(4) Thrust INA Bearing – can only bear thrust load