Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications15 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | NATA | |
| Variant / construction | Angular Contact Combined Type Needle Roller Bearings | |
| Bore diameter | d | 17 mm |
| Outside diameter | D | 30 mm |
| Width | B | 18 mm |
| Basic dynamic load rating | C | 8.22 kN |
| Basic static load rating | C0 | 11.5 kN |
| Reference speed | nref | 10800 r/min |
| Limiting speed | nG | 18000 r/min |
| Mass | ≈m | 0.055502 kg |
| Precision class | JIS, Class 0 | |
| Cage | Steel | |
| Bearing material | High Carbon Chrome Steel | |
| Minimum operating temperature | Tmin | -20 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity1 parameter
| Parameter | Symbol | Value |
|---|---|---|
| Cad Part Number | NATA5903 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Short Description | Combined Type Needle Roller Bearing | |
| Long Description | Combined with Angular Contact Ball Bearing | |
| Official Bearing Family | Combined Type Bearings | |
| Official Bearing Type | Angular Contact Combined Type Needle Roller Bearings |
Materials2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Rolling Element Material | SUJ2 | |
| Retainer Material | Steel |
Technical Data3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Outer Diameter Type | Cylindrical | |
| Rolling Element | Roller | |
| Relubricatable | Oil Hole & Oil Groove |