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 / NN / Tapered type | |
| Bore diameter | d | 30 mm |
| Outside diameter | D | 55 mm |
| Width | B | 19 mm |
| Basic dynamic load rating | C | 46 kN |
| Basic static load rating | C0 | 44.1 kN |
| Fatigue load limit | Pu | 4.95 kN |
| Limiting speed | nG | 12000 r/min |
| Mass | ≈m | 0.192 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 040-020-010 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Cylindrical roller bearings - Single-row - NN - Tapered type | |
| Official Classification 1 | Cylindrical roller bearings / Single-row / NN / Tapered type |
Technical Data17 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 30 mm | |
| D | 55 mm | |
| B | 19 mm | |
| R(Min.) | 1 mm | |
| Fw | - mm | |
| Ew | 48.5 mm | |
| Basic Load Ratings : Cr | 46.0 kN | |
| Basic Load Ratings : C0R | 44.1 kN | |
| Fatigue Load Limit : Cu | 4.95 kN | |
| Limiting Speeds(Grease Lub.) | 12000 min-1 | |
| Limiting Speeds(Oil Lub.) | 14000 min-1 | |
| Da(Min.) | 49 mm | |
| Da(Max.) | - mm | |
| Db(Min.) | - mm | |
| Da(Max.) | 50 mm | |
| Ra(Max.) | 1 mm | |
| Mass(Refer.) | 0.192 kg |
