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ZWA 
British-system Four-row
Tapered Roller Bearing

British-system Four-row Tapered Roller Bearing

bore 152,400-245mm

Tapered roller bearing is designed in such a way that cone apexes of inner ring raceway, outer ring raceway and roller raceway intersects on one point of its central line. ZWA’s tapered roller bearings can be divided into both metric and imperial single-row, double-row and four-row series.

Basic Type

simple drawing of four row tapered roller bearing
simple drawing of four row tapered roller bearing

The products include

British-system Four-row Tapered Roller Bearing
d 152,400-245mm
Basic Size Designation Basic load rating Calculation Coefficient Mass
d D T B d1≈ D1≈ r1.2min r3.4min dynamic static e Y1 Y2 Yo
C Co
mm kN - kg
152,400 222,250 174,625 174,625 171 194 1.5 1.5 331329 1120 2500 0.33 2 3 2 22.5
6,0000 8,7500 6,8750 6,8750 171 194 1.5 1.5 (M231649DW-610-610D) 1120 2500 0.33 2 3 2 22.5
165,100 225,425 168,275 165,100 182 198 0.8 3.3 330835C 858 2200 0.37 1.8 2.7 1.8 20.5
6,5000 8,8750 6,6250 6,5000 182 198 0.8 3.3 (46791DW-720-721D) 858 2200 0.37 1.8 2.7 1.8 20.5
177,800 247,650 192,088 192,088 193 216 1.5 3.3 331480 1230 3000 0.44 1.5 2.3 1.4 29.0
7,0000 9,7500 7,5620 7,5620 193 216 1.5 3.3 (67790DW-720-721D) 1230 3000 0.44 1.5 2.3 1.4 29.0
187,325 269,875 211,138 211,138 209 241 1.5 3.3 331382 1650 3800 0.33 2 3 2 41.0
7,3750 10,6250 8,3125 8,3125 209 241 1.5 3.3 (M238849DW-810-810D) 1650 3800 0.33 2 3 2 41.0
187,325 269,875 211,138 211,138 209 239 1.5 3.3 BT4B328881/HA1 1650 3800 0.33 2 3 2 41.0
7,3750 10,6250 8,3125 8,3125 209 239 1.5 3.3 (M238849DW-810-810D) 1650 3800 0.33 2 3 2 41.0
190,500 266,700 188,912 187,325 208 233 1.5 3.3 331249 1340 3250 0.48 1.4 2.1 1.4 33.5
7,5000 10,5000 7,4375 7,3750 208 233 1.5 3.3 (67885DW-820-820D) 1340 3250 0.48 1.4 2.1 1.4 33.5
198,488 284,162 225,425 225,425 218 252 1.5 3.3 330899A 1790 4150 0.33 2 3 2 47.5
7,8125 11,1875 8,8750 8,8750 218 252 1.5 3.3 (M240648DW-611-611D) 1790 4150 0.33 2 3 2 47.5
205 320 203,500 203,500 233 280 4 3 BT4B328065/HA1 1900 3650 0.46 1.5 2.2 1.4 54.5
8,0709 12,5984 8,0118 8,0118 233 280 4 3 BT4B328065/HA1 1900 3650 0.46 1.5 2.2 1.4 54.5
206,375 282,575 190,500 190,500 223 247 0.8 3.3 331486 1300 3350 0.50 1.35 2 1.3 36.5
8,1250 11,1250 7,5000 7,5000 223 247 0.8 3.3 (67986DG-920-921D) 1300 3350 0.50 1.35 2 1.3 36.5
228,600 311,150 200,025 200,025 248 282 1.5 3.3 BT4B332637/HA1 1760 4050 0.33 2 3 2 43.5
9,0000 12,2500 7,8750 7,8750 248 282 1.5 3.3 (LM245149DW-110-110D) 1760 4050 0.33 2 3 2 43.5
241,224 355,498 228,600 228,600 271 308 1.5 3.3 331787 2160 5000 0.35 1.9 2.9 1.8 81.5
9,4970 13,9960 9,0000 9,0000 271 308 1.5 3.3 (EE127094DW-138-139D) 2160 5000 0.35 1.9 2.9 1.8 81.5
241,478 349,148 228,600 228.600 271 308 1.5 3.3 330782A 2160 5000 0.35 1.9 2.9 1.8 74.5
9,5070 13,7460 9,0000 9,0000 271 308 1.5 3.3 (EE127097DW-135-136D) 2160 5000 0.35 1.9 2.9 1.8 74.5
244,475 327,025 193.675 193,675 264 299 1.5 3.3 330862B 1830 4300 0.33 2 3 2 46.0
9,6250 12,8750 7,6250 7,6250 264 299 1.5 3.3 (LM247748D-710-710D) 1830 4300 0.33 2 3 2 46.0
9,6250 12,8750 7,6250 7,6250 264 299 1.5 3.3 (LM24778DGEW-710-710D) 1830 4300 0.33 2 3 2 46.0
244,475 381 304,800 304,800 275 321 3.3 4.8 BT4B328690/HA1 2970 6700 0.52 1.3 1.9 1.3 130
9,6250 15,0000 12,0000 12,0000 275 321 3.3 4.8 (EE126096DW-150-151D) 2970 6700 0.52 1.3 1.9 1.3 130
245 380 254 255,500 280 329 1.5 4 331398 2640 5600 0.44 1.5 2.3 1.4 105
9,6457 14,9606 10,0000 10,0591 280 329 1.5 4 331398 2640 5600 0.44 1.5 2.3 1.4 105

Targeting at producing high-end Bearings.

ZWA Chinese bearing manufacturer

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