Four-row tapered roller bearings can accommodate combined heavy radial and axial loads at low to moderate speeds. They are used almost exclusively in work roll applications such as rolling mills. AKMI manufactures four-row tapered roller bearings in TQO and TQI designs, in many variants and with different features.
| Design variant/feature | TQON/GW |
| Bore type | Cylindrical with helical groove |
| d | 540 mm | Bore diameter |
|---|---|---|
| D | 690 mm | Outside diameter |
| B | 400 mm | Total bearing width over inner rings |
| T | 400 mm | Total bearing width over outer rings |
| d1 | ≈ 566 mm | Abutment diameter shaft |
| D1 | ≈ 643 mm | Abutment diameter housing |
| r1,2 | min. 2 mm | Chamfer dimension inner ring |
| r3,4 | min. 5 mm | Outer ring radius (chamfer) |
| Basic dynamic load rating | C | 7 480 kN |
|---|---|---|
| Basic static load rating | C0 | 21 200 kN |
| Fatigue load limit | Pu | 1 500 kN |
| Comparative radial load rating | CF | 1 860 kN |
| Comparative axial load rating | CFa | 301 kN |
| Thrust factor | K | 1.76 |
| Limiting value | e | 0.33 |
| Calculation factor | Y1 | 2 |
| Calculation factor | Y2 | 3 |
| Calculation factor | Y0 | 2 |
General bearing specifications
Bearing interfaces
Can't find the information you're looking for? Please fill out the application form and we will reply to you as soon as possible.
Your local AKMI dealer can provide you with technical support and sales assistance.
AKMI online customer service, timely answer customer questions
(Monday to Friday 9:00-18:00)
