Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Radial needle roller and cage assemblies / Inch series / W,W.JC | |
| Basic dynamic load rating | C | 67.6 kN |
| Basic static load rating | C0 | 128 kN |
| Fatigue load limit | Pu | 20.1 kN |
| Limiting speed | nG | 4900 r/min |
| Mass | ≈m | 0.12 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 090-010-020 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Needle roller bearings - Radial needle roller and cage assemblies - Inch series - W,W.JC | |
| Official Classification 1 | Needle roller bearings / Radial needle roller and cage assemblies / Inch series / W,W.JC |
Technical Data13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Fw | 57.150 mm | |
| Ew | 66.675 mm | |
| Bc | 31.75 mm | |
| Basic Load Ratings : Cr | 67.6 kN | |
| Basic Load Ratings : C0R | 128 kN | |
| Fatigue Load Limit : Cu | 20.1 kN | |
| Limiting Speeds(Grease Lub.) | 4900 min-1 | |
| Limiting Speeds(Oil Lub.) | 7500 min-1 | |
| Shaft Dia. : H5 (Max.) | 57.150 mm | |
| Shaft Dia. : H5 (Min.) | 57.137 mm | |
| Housing Bore Dia : G6(Max.) | 66.703 mm | |
| Housing Bore Dia : G6(Min.) | 66.685 mm | |
| Mass(Refer.) | 0.120 kg |
