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Spherical Roller Bearing

The spherical roller bearing has double-row rollers, a common spherical raceway on the outer ring, and two raceways on the inner ring that are tilted at an angle relative to the bearing axis. This ingenious structure enables it to have self-aligning performance, so it is not easily affected by the angle error between the shaft and the bearing box seat or the shaft bending, and is suitable for occasions where the angle error is caused by installation error or shaft deflection. In addition to being able to withstand radial loads, the bearing can also withstand bidirectional axial loads.

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Model number	Basic size			Basic load rating		Rated speed
				Dynamic state	Static	Reference speed	Limiting speed
	d [mm]	D [mm]	B [mm]	C [kN]	C₀ [kN]	[r/min]	[r/min]
22206CA CC CCK MBW33	30	62	20
22205CA CC CCK MBW33	25	52	18
21324CA CC CCK MBW33	120	260	55
21322CA CC CCK MBW33	110	240	50
21320CA CC CCK MBW33	100	215	47
21318CA CC CCK MBW33	90	190	43
21317CA CC CCK MBW33	85	180	41
21316CA CC CCK MBW33	80	170	39
21315CA CC CCK MBW33	75	160	37
21314 CA CC MB CCK W33C3	70	150	34
21313 CA CC CCK MBW33C3	65	140	33
21312 CA CC CCK MBW33C3	60	130	31

Model number	Basic size			Basic load rating		Rated speed
				Dynamic state	Static	Reference speed	Limiting speed
	d [in]	D [in]	B [in]	C [Ibf]	C₀ [Ibf]	[r/min]	[r/min]
22206CA CC CCK MBW33
22205CA CC CCK MBW33
21324CA CC CCK MBW33
21322CA CC CCK MBW33
21320CA CC CCK MBW33
21318CA CC CCK MBW33
21317CA CC CCK MBW33
21316CA CC CCK MBW33
21315CA CC CCK MBW33
21314 CA CC MB CCK W33C3
21313 CA CC CCK MBW33C3
21312 CA CC CCK MBW33C3

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Spherical Roller Bearings Features

1.Automatic self-aligning performance‌: The outer ring raceway of the spherical roller bearing is spherical, with good self-aligning performance, which can compensate for coaxiality errors and achieve automatic self-alignment.

‌2.Load bearing capacity‌: This type of bearing can withstand large radial and axial loads, and is particularly suitable for working under heavy loads or vibration loads, and has good impact resistance.

‌3.Structural features‌: The rollers and raceways of spherical roller bearings have a high degree of fit, severe relative sliding, and large friction, so the allowable operating speed is low.

‌Application scenarios‌

Spherical roller bearings are widely used in mechanical equipment with heavy loads and vibration conditions such as papermaking machinery, reduction gears, railway vehicle shafts, and rolling mill gearbox seats.