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 | Single-row / Metric series | |
| Bore diameter | d | 70 mm |
| Outside diameter | D | 150 mm |
| Width | B | 51 mm |
| Basic dynamic load rating | C | 321 kN |
| Basic static load rating | C0 | 315 kN |
| Fatigue load limit | Pu | 44.1 kN |
| Limiting speed | nG | 2700 r/min |
| Mass | ≈m | 4.11 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 050-010-010 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Tapered roller bearings - Single-row - Metric series | |
| Official Classification 1 | Tapered roller bearings / Single-row / Metric series |
Technical Data25 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 70 mm | |
| D | 150 mm | |
| T | 54 mm | |
| B | 51 mm | |
| C | 42 mm | |
| R(Min.) | 3 mm | |
| R1(Min.) | 2.5 mm | |
| Basic Load Ratings : Cr | 321 kN | |
| Basic Load Ratings : C0R | 315 kN | |
| Fatigue Load Limit : Cu | 44.1 kN | |
| Limiting Speeds(Grease Lub.) | 2700 min-1 | |
| Limiting Speeds(Oil Lub.) | 3600 min-1 | |
| Load Center Spread : A | 37.0 mm | |
| Constant E | 0.35 | |
| Axial Load Factors : Y1 | 1.73 | |
| Axial Load Factors : Y0 | 0.95 | |
| Da(Min.) | 125 mm | |
| Db(Max.) | 86 mm | |
| Da(Max.) | 138 mm | |
| Db(Min.) | 140 mm | |
| Sa(Min.) | 4 mm | |
| Sb(Min.) | 12 mm | |
| Ra(Max.) | 2.5 mm | |
| Rb(Max.) | 2 mm | |
| Mass(Refer.) | 4.11 kg |