Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Drawn cup needle roller bearings / Inch series, caged / Closed end | |
| Outside diameter | D | 50.8 mm |
| Basic dynamic load rating | C | 39.28 kN |
| Basic static load rating | C0 | 68.95 kN |
| Fatigue load limit | Pu | 10.8 kN |
| Limiting speed | nG | 5100 r/min |
| Mass | ≈m | 0.101 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 090-020-020 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Needle roller bearings - Drawn cup needle roller bearings - Inch series, caged - Closed end | |
| Official Classification 1 | Needle roller bearings / Drawn cup needle roller bearings / Inch series, caged / Closed end |
Technical Data11 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Fw | 41.275 mm | |
| D | 50.800 mm | |
| C | 25.40 mm | |
| Y(Max) | 1.27 mm | |
| Basic Load Ratings : Cr | 39.28 kN | |
| Basic Load Ratings : C0R | 68.95 kN | |
| Fatigue Load Limit : Cu | 10.8 kN | |
| Limiting Speeds(Grease Lub.) | 5100 min-1 | |
| Limiting Speeds(Oil Lub.) | 7900 min-1 | |
| Mounting Inner Ring | IR-2020(1) | |
| Mass(Refer.) | 0.101 kg |
