Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Double-row / TDO type | |
| Bore diameter | d | 65 mm |
| Outside diameter | D | 120 mm |
| Width | B | 56 mm |
| Basic dynamic load rating | C | 275 kN |
| Basic static load rating | C0 | 311 kN |
| Fatigue load limit | Pu | 48.7 kN |
| Limiting speed | nG | 2600 r/min |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 050-020-010 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Tapered roller bearings - Double-row - TDO type | |
| Official Classification 1 | Tapered roller bearings / Double-row / TDO type |
Technical Data20 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 65 mm | |
| D | 120 mm | |
| T | 56 mm | |
| C | 46.5 mm | |
| R(Min.) | 2 mm | |
| R1(Min.) | 0.6 mm | |
| Basic Load Ratings : Cr | 275 kN | |
| Basic Load Ratings : C0R | 311 kN | |
| Fatigue Load Limit : Cu | 48.7 kN | |
| Limiting Speeds(Grease Lub.) | 2600 min-1 | |
| Limiting Speeds(Oil Lub.) | 3400 min-1 | |
| Constant E | 0.4 | |
| Axial Load Factors : Y2 | 1.67 | |
| Axial Load Factors : Y3 | 2.48 | |
| Axial Load Factors : Y0 | 1.63 | |
| Da(Min.) | 75 mm | |
| Da(Min.) | 113 mm | |
| Sa(Min.) | 4.5 mm | |
| Ra(Max.) | 2 mm | |
| Rb(Max.) | 0.6 mm |
