Spherical Roller Bearings


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.


Spherical Roller Bearings

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/ W33 25 52 18 35.8 36.8 8000 10000 0.177 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/W33 30 62 20 50.5 55 6700 8500 0.283 22206CCK/W33 30 62 20 50.5 55 6700 8500 0.283
21306CC/W33 35 72 19 55.8 62 4500 6000 0.412 21306CCK/W33 35 72 19 55.8 62 4500 6000 0.412
22207CA/W33 35 72 23 45.2 59.5 4800 6000 0.43 22207CAK/W33 35 72 23 45.2 59.5 4800 6000 0.43
22207CC/W33 35 72 23 68.5 79 5600 7000 0.437 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
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