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Spherical roller bearings have two rows of rollers, and are able to accommodate large radial loads and take some axial loads in either direction. These double-row spherical roller bearings are suitable for vibration or heavy load applications, but can not handle pure axial loads.

To mount a spherical roller bearing having a tapered bore with a taper of either 1:12 (designation suffix K, 153000 series / 113000 series) or 1:30 (designation suffix K30), the inner ring can be moved in a radial direction to adjust the radial internal clearance of the bearing.

Applicable Bearing Cage Types

Stamped steel plate reinforced cage (suffix E)
Stamped steel plate cage (suffix CC)
Glass fiber reinforced polyamide 66 cage (suffix TVPB)
Machined brass two-piece cage (suffix MB)
Machined brass integral cage (suffix CA)
Stamped steel plate cage for vibration applications (suffix JPA)
Brass cage for vibration applications (suffix EMA)

The code on the bearing may be varied even for the same structure.

Applications

Paper machinery
Speed reducer
Rail vehicle axle
Rolling mill gearbox housing
Rolling mill roller

Crusher
Vibrating screen
Printing machinery
Woodworking machinery
Vertical belt bearing

Specifications

Bearing series		Dimensions(mm)			Loading(KN)		Speed ratings(R/MIN)		Weight(KG)
Cylindrical bore	Tapered bore	d	D	B	Cr	Cor	Grease	Oil
21304 CA/W33	21304 CAK/W33	20	52	15	30.8	31.2	6000	7500	0.175
21034 TN1	21034 TN1		52	15	34.8	34.2	6000	7500	0.161
22205 CC/ W3325521835.836.88000100000.177	22205 CCK/ W33	25	52	18	35.8	36.8	8000	10000	0.177
21305CA/W33	21305CAK/W33	25	62	17	41.5	44.2	5300	6700	0.277
22206CA/W33	22206CAK/W33	30	62	20	30.5	38.2	5300	6700
22206CC/W3330622050.555670085000.283	22206CCK/W33	30	62	20	50.5	55	6700	8500	0.283
21306CC/W3335721955.862450060000.412	21306CCK/W33	35	72	19	55.8	62	4500	6000	0.412
22207CA/W3335722345.259.5480060000.43	22207CAK/W33	35	72	23	45.2	59.5	4800	6000	0.43
22207CC/W3335722368.579560070000.437	22207CCK/W33	35	72	23	68.5	79	5600	7000	0.437
21307CC/W33	21307CCK/W33	35	80	21	63.5	73.2	4000	5300	0.542