Four Row Bearings  

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TQO (Straight Bore Four-Row Assembly) TQO bearings are directly mounted and comprised of two double inner races, two single and one double outer race, with an inner race spacer and two outer race spacers. Slots in the inner race spacer permit lubricant to flow from the bearing chamber to the roll neck. The inner race spacers are hardened to minimize face wear.Four-row cylindrical roller bearings are used almost exclusively for the roll necks of rolling mill stands, calenders and roller presses. 


In four-row cylindrical roller bearings, the rollers are guided between integral or non-integral flanges on the outer ring. The inner ring is without flanges; axial displacement of the shaft with respect to the housing can therefore be accommodated by the bearing within certain limits.


Bearing Number Bore Dia Outer DIa Width Size
NTN  CRO-4825 Four Row Bearings   B00308 0.0 0.06 SCHAEFFLER GROUP
NTN  T-LM654648D/LM654610/LM654610D Four Row Bearings   5.675 Bearings N/A PT INTERNATIONAL
NTN  EE833161D/833232/833233D Four Row Bearings   N/A Bearings 0.0 NSK
NTN  CRO-4901 Four Row Bearings   8.75 Inch | 222.25Mi 6.938 Inch | 176.225 2.438 Inch | 61.925 0698210911447
NTN  T-48680D/48620/48620D Four Row Bearings   NSK RHP BEARING B00308 Ball Bearings
NTN  CRO-7901 Four Row Bearings   N/A 0.0 PEER BEARING CO. 8865590096060
NTN  EE700090D/700167/700168D Four Row Bearings   Yes 1.375 Inch | 34.925 With Nut N/A
NTN  EE755280D/755360/755361DG2 Four Row Bearings   22218 QM INDUSTRIES 0 Inch | 0 Millimete N/A
NTN  EE649241D/649310/649311DG2 Four Row Bearings   Bearing Cylindrical Roller B Full Complement | La 31171530
NTN  CRO-8830LL Four Row Bearings   1.689 Inch | 42.9 Mi UC207-22 8483.20.40.40 Ball Bearing
NTN  CRO-13202 Four Row Bearings   0.427 0.0 AMI BEARINGS N/A
NTN  CRO-10208 Four Row Bearings   N/A M06110 FYH BEARING UNITS 0