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Specifications

Our Services: 
OEM service provided 
Processing with supplied drawings 
Providing replacement NTN,  SKF, INA, NSK, Timken, koyo, NACHI bearings etc. 
Providing all the China replacement precision bearings. 
Large stock available 

Features of Four Row Taper Roller Bearing 
Four Row taper roller bearing are almost same in performance with double row taper roller bearings, but four row ones can bear larger load, with low limiting speed, mainly used in heavy machineries, such as rolling machine, etc 

If you have problems about selecting proper bearings for your special applications, please contact us right now.
Boundary Dimension Basic Load Limiting Designation Mass
d D T B Cr C0r
mm mm mm  mm in kN   kg
133.35 196.85 193.675 193.675 7.625 970 2370 K67390D/K67322-K67322D 20.2
177.8 247.65 192.088 192.088 7.5625 1070 3000 K67791DGW/K67720-K67721D 28.6
187.325 269.875 211.138 211.138 8.3125 1570 3430 KM238849D/KM238810-KM238810D 41.5
190.5 266.7 187.325 188.912 7.4375 1280 3200 67885D/67820-67820D 32.9
198.438 284.162 225.425 225.425 8.875 1280 3200 M240648DD/M240611-M240611D 32.9
203.2 317.5 266.7 266.7 10.5 2400 4850 93800D/93125-93127D 76.3
206.375 282.575 190.5 190.5 7.5 1030 2830 K67986D/K67920-K67921D 34.4
220.662 314.325 239.712 239.712 9.4375 2090 4900 KM244249D/KM244210-KM244210D 60.2
221.224 355.498 228.6 228.6 9 2100 4900 EE127094D/127138-127139D 81.8
228.6 311.15 200.025 200.025 7.875 1560 3650 LM245149D/LM245110-LM245110D 43.9
241.478 349.148 228.6 228.6 9 2050 4350 EE127097D/127135-127136D 71.9
244.475 327.025 193.675 193.675 7.625 1740 3930 KLM247748DW/KLM247710-KLM247710D 42.7
254 358.775 269.875 269.875 10.625 2720 6050 M249748D/M249710-M249710D 88.9
  358.775 269.875 269.875 10.625 2720 6050 M249748DW/M249710-M249710D 88.9
  358.775 269.875 269.875 10.625 2720 6050 K3M249748DW/K3M249710-K3M249710D-3 88.9
260.35 422.275 314.325 317.5 12.5 4100 7900 HM252348D/HM252310-HM252310D 182
266.7 355.6 230.188 228.6 9 1950 5560 KLM451349DW/KLM451310-KLM451310D 65.3
  355.6 230.188 228.6 9 1950 5800 LM451349DW/LM451310-LM451310D 63.9
  355.6 230.188 228.6 9 1700 4800 K76589/K76520-K76520D  
269.875 381 282.575 282.575 11.125 2930 7550 M252349DW/M252310-M252310D 105
276.225 393.7 269.875 269.875 10.625 2880 6200 3806/276X4 105
279.4 393.7 269.875 269.875 10.625 2880 6200 KEE135111DW/K135155-K135156D 103
  393.7 269.875 269.875 10.625 2880 6200 EE135111D/135155-135156D 103
  393.7 269.875 269.875 10.625 2880 6200 EE135111DW/135155-135156DW/HEC9 103
  393.7 269.875 269.875 10.625 2880 6200 EE135111DW/135155-135156DW 103