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Double Row Tapered Roller Bearings

Double Rows Tapered Roller Bearings: Enhanced Stability for Heavy - Duty Equipment with High Radial Load Demands

Double Row Tapered Roller Bearings feature a compact integrated double-raceway design, providing significantly increased radial and bidirectional axial load capacity in a single unit without the need for paired mounting.

Available configurations include TDO (Double Outer Race) for easy installation and heavy industry applications, TDI (Double Inner Race) for high rigidity and load capacity, as well as paired mounting options such as DF (Face-to-Face) for bidirectional load handling and DB (Back-to-Back) for high overturning moment resistance.

Optimized roller profiles improve vibration resistance, reduce edge stress, and enhance anti-fatigue performance, making these bearings suitable for harsh operating conditions and continuous heavy-duty service.

Applications

  • Steel rolling mills and heavy industrial equipment
  • Mining crushers and vibrating screens
  • Heavy-duty gearboxes and transmission systems
  • Construction and material handling machinery

Product Specifications

All TDO Type TDI Type Matched DB Sets Matched DF Sets

Integrated double inner ring design with high rigidity and shock resistance.

Inquiry Bearing No. ID OD T Cr Cor Mass
370634 170 230 65 450 945 6.79
370648 240 480 220 3340 5400 184
370652D 260 420 170 1970 4050 88.4
370656 280 389.5 92 870 1880 33.3
370660D/HCYAD 300 440 105 980 2050 55.5
370660/HCC9 300 560 170 3520 3800 197
370664-1 320 524 185 2530 5150 152
370664-2 320 540 160 2220 4350 161
370672 360 560 160 2350 4640 141
370672-1 360 600 200 3000 5830 221
370672-2 360 680 330 7200 13300 541
370676 380 560 200 2800 6540 166
370676-1 380 565 200 2800 6540 170
371076X3D/HCEYAB 380 570 180 2910 6150 162
370678/HCYA3 390 567.5 180 2610 6520 157
370678-1 390 568 180 2350 5840 156
370678 390 570 200 2800 7000 166
370678-2 390 590 200 2740 6530 201
370678-3 390 590 220 2740 6530 250
371080X2 400 600 189 2680 5500 174