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zwa British-system Double-row Tapered Roller Bearing









British-system Double-row Tapered Roller Bearing


bore 457,200-863,660mm

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 tapered roller bearing

simple drawing of tapered roller bearing





The products include

British-system Double-row Tapered Roller Bearing
d 457,200-863,660mm
Basic Size Designation Basic load rating Calculation Conefficient Mass
d D T C d1≈ D1≈ a rmin r1min dynamic static e Y1 Y2 Yo
C Co
mm kN - kg
457,200 596,900 165,100 120,650 565 571 218 9.7 1.5 BT2B328930A/HA2 2160 5500 0.40 1.7 2.5 1.6 110
18,0000 23,5000 6,5000 4,7500 565 571 218 9.7 1.5 (EE244180-236CD) 2160 5500 0.40 1.7 2.5 1.6 110
479,425 679,450 276,225 222,250 572 651 256 6.4 1.5 331657 5010 12700 0.33 2 3 2 302
18,8750 26,7500 10,8750 8,7500 572 651 256 6.4 1.5 (M272749-710DC) 5010 12700 0.33 2 3 2 302
489,026 634,873 177,800 142,875 556 610 213 6.4 1.5 331776A 2750 7350 0.35 1.9 2.9 1.8 130
19,2530 24,9950 7,0000 5,6250 556 610 213 6.4 1.5 (EE243192-251D) 2750 7350 0.35 1.9 2.9 1.8 130
501,650 711,200 292,100 231,775 596 678 269 6.4 1.5 BT2B332605A/HA1 5500 13700 0.33 2 3 2 343
19,7500 28,0000 11,5000 9,1250 596 678 269 6.4 1.5 (M274149-110CD) 5500 13700 0.33 2 3 2 343
520,700 736,600 186,502 114,300 615 691 277 6.4 1.5 BT2B332761 3030 6700 0.48 1.4 2.1 1.4 210
20,5000 29,0000 7,3426 4,5000 615 691 277 6.4 1.5 (EE982051-901CD) 3030 6700 0.48 1.4 2.1 1.4 210
536,575 761,873 311,150 247,650 641 726 287 6.4 1.5 BT2B332446 6270 16000 0.33 2 3 2 430
21,1250 29,9950 12,2500 9,7500 641 726 287 6.4 1.5 (M276449-410CD) 6270 16000 0.33 2 3 2 430
571,500 812,800 333,375 263,525 680 774 310 6.4 1.5 BT2B332447 6440 16000 0.33 2 3 2 520
22,5000 32,0000 13,1250 10,3750 680 774 310 6.4 1.5 (M278749-710CD) 6440 16000 0.33 2 3 2 520
609,600 812,800 190,500 146,050 691 768 247 6.4 3.3 614609 3580 8800 0.33 2 3 2 250
24,0000 32,0000 7,50000 5,7500 687 755 269 6.4 1.5 (EE649240-311CD) 4020 10600 0.37 1.8 2.7 1.8 232
609,600 787,400 206,375 158,750 687 755 269 6.4 1.5 BT2B332448 4020 10600 0.37 1.8 2.7 1.8 232
24,0000 31,0000 8,1250 6,2500 687 755 269 6.4 1.5 BT2B332448 4020 10600 0.37 1.8 2.7 1.8 232
609,600 820 206,375 158,750 687 755 269 6.4 1.5 331500 4020 10600 0.37 1.8 2.7 1.8 292
24,0000 32,2835 8,1250 6,2500 687 755 269 6.4 1.5 331500 4020 10600 0.37 1.8 2.7 1.8 292
635 990,600 339,725 212,725 810 960 620 6.4 6.4 BT2B332493/HA4 8090 16000 0.88 0.77 1.15 0.8 840
25,0000 39,0000 13,3750 8,3750 810 960 620 6.4 6.4 BT2B332493/HA4 8090 16000 0.88 0.77 1.15 0.8 840
685,800 876,300 200,024 152,400 772 842 309 6.4 1.5 331290 3910 11000 0.43 1.6 2.3 1.6 270
27,0000 34,5000 7,8750 6,0000 772 842 309 6.4 1.5 331290 3910 11000 0.43 1.6 2.3 1.6 270
711,200 914,400 190,500 139,700 798 877 293 6.4 1.5 BT2B328028/HA1 3800 9650 0.37 1.8 2.7 1.8 265
28,5000 36,0000 7,50000 5,5000 798 877 293 6.4 1.5 (EE755280-361D) 3800 9650 0.37 1.8 2.7 1.8 265
723,900 914,400 187,325 139,700 798 877 293 3.3 1.5 331554A 3800 9650 0.37 1.8 2.7 1.8 250
28,5000 36,0000 7,3750 5,5000 798 877 293 3.3 1.5 (EE755285-361CD) 3800 9650 0.37 1.8 2.7 1.8 250
774,700 965,200 187,325 133,350 853 924 317 6.4 1.5 BT2B332764 3580 9800 0.40 1.7 2.5 1.6 265
30,5000 38,0000 7,3750 5,2500 853 924 317 6.4 1.5 (EE752305-381D) 3580 9800 0.40 1.7 2.5 1.6 265
774,962 1016 266,700 209,550 880 976 321 8 2.5 BT2B332625 6440 17000 0.33 2 3 2 525
30,5103 40,0000 10,5000 8,2500 880 976 321 8 2.5 BT2B332625 6440 17000 0.33 2 3 2 525
812,800 1016 190,500 146,050 903 976 345 6.4 1.5 331291B 3580 10200 0.43 1.6 2.3 1.6 350
32,0000 40,0000 7,5000 5,7500 903 976 345 6.4 1.5 (EE762320-401D) 3580 10200 0.43 1.6 2.3 1.6 445
1066,800 190,500 146,050 BT2B328371/HA6
42,0000 7,5000 5,7500 (EE762320-420XD)
137,600 469,900 285,750
863,660 54,0000 18,5000 11,2500 1140 1309 841 28 2 BT2B332494/HA5 14700 32000 0.88 0.77 1.15 0.8 2250

Targeting at producing high-end Bearings.









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