Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Double-row / TDO type | |
| Bore diameter | d | 80 mm |
| Outside diameter | D | 125 mm |
| Width | B | 34 mm |
| Basic dynamic load rating | C | 136 kN |
| Basic static load rating | C0 | 155 kN |
| Fatigue load limit | Pu | 22.6 kN |
| Limiting speed | nG | 2300 r/min |
| Mass | ≈m | 1.38 kg |
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 Data21 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 80 mm | |
| D | 125 mm | |
| T | 34 mm | |
| C | 30 mm | |
| R(Min.) | 1.5 mm | |
| R1(Min.) | 0.6 mm | |
| Basic Load Ratings : Cr | 136 kN | |
| Basic Load Ratings : C0R | 155 kN | |
| Fatigue Load Limit : Cu | 22.6 kN | |
| Limiting Speeds(Grease Lub.) | 2300 min-1 | |
| Limiting Speeds(Oil Lub.) | 3100 min-1 | |
| Constant E | 0.35 | |
| Axial Load Factors : Y2 | 1.95 | |
| Axial Load Factors : Y3 | 2.90 | |
| Axial Load Factors : Y0 | 1.91 | |
| Da(Min.) | 88.5 mm | |
| Da(Min.) | 116.9 mm | |
| Sa(Min.) | 2 mm | |
| Ra(Max.) | 1.5 mm | |
| Rb(Max.) | 0.6 mm | |
| Mass(Refer.) | 1.38 kg |
