Single direction tapered roller thrust bearings are designed to accommodate heavy axial loads and peak loads in one direction. The bearings provide a high degree of stiffness and require little axial space. AKMI manufactures tapered roller thrust bearings in several different basic and application-specific designs and variants.
| Industry reference | T811 |
| d | 203.2 mm | Bore diameter washer |
|---|---|---|
| D | 419.1 mm | Outside diameter washer |
| H | 92.075 mm | Height |
| B | 30 mm | Height of washer |
| r1,2 | min. 9.7 mm | Chamfer dimension, shaft side |
| r3,4 | min. 9.7 mm | Chamfer dimension, shaft side |
| da | min. 384 mm | Abutment diameter shaft |
|---|---|---|
| Da | max. 231 mm | Abutment diameter housing |
| ra | max. 8 mm | Fillet radius |
| Basic dynamic load rating | C | 3 450 kN |
|---|---|---|
| Basic static load rating | C0 | 12 500 kN |
| Fatigue load limit | Pu | 800 kN |
| Reference speed | 400 r/min | |
| Limiting speed | 750 r/min |
| Dynamic load rating | C90 | 1 200 kN |
|---|---|---|
| Dynamic load rating | C1 | 4 627 kN |
| Main thrust rating (API 8C) | WS | 273 ton (US) |
General bearing specifications
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