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British-system Four-row
Tapered Roller Bearing

British-system Four-row Tapered Roller Bearing

bore 682,625-812,800mm

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 682,625-812,800mm
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
682,625 965,200 701,675 701,675 740 857 3.3 6.4 331503G/HA1 17600 50000 0.33 2 3 2 1750
26,8750 38,0000 27,6250 27,6250 740 857 3.3 6.4 (M282249DGW-210-210D) 17600 50000 0.33 2 3 2 1750
708,025 930,275 565,150 565,150 756 846 3.3 6.4 BT4B332098A/HA4 13000 39000 0.33 2 3 2 1030
27,8750 36,6250 22,2500 22,2500 756 846 3.3 6.4 (LM282549DGW-510-510D) 13000 39000 0.33 2 3 2 1030
711,200 914,400 317,500 317,500 765 847 3.3 6.4 330882C 7040 19300 0.37 1.8 2.7 1.8 525
28,0000 36,0000 12,5000 12,5000 765 847 3.3 6.4 (EE755281DGW-360-361D) 7040 19300 0.37 1.8 2.7 1.8 525
717,550 946,150 565,150 565,150 768 860 3.3 6.4 332244 13400 40500 0.33 2 3 2 1090
28,2500 37,2500 22,2500 22,2500 768 860 3.3 6.4 (LM-282847DGW-810-810D) 13400 40500 0.33 2 3 2 1090
730,250 1035,050 755,650 755,650 793 918 3.3 6.4 330803A 20500 58500 0.33 2 3 2 2170
28,7500 40,7500 29,7500 29,7500 793 918 3.3 6.4 (M283449DGW-410-410D) 20500 58500 0.33 2 3 2 2170
750 1130 690 690 826 990 4 7.5 BT4B328376/HA4 20100 46500 0.48 1.4 2.1 1.4 2430
29,5276 44,4882 27,1654 27,1654 826 990 4 7.5 BT4B328376/HA4 20100 46500 0.48 1.4 2.1 1.4 2430
812,800 1143 768,350 768,350 888 1025 6.4 12.7 331248 22000 63000 0.33 2 3 2 2590
32,0000 45,0000 30,2500 30,2500 888 1025 6.4 12.7 331248 22000 63000 0.33 2 3 2 2590

Targeting at producing high-end Bearings.

ZWA Chinese bearing manufacturer

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