Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | NART | |
| Variant / construction | Non-Separable Roller Followers | |
| Bore diameter | d | 20 mm |
| Basic dynamic load rating | C | 23 kN |
| Basic static load rating | C0 | 30.7 kN |
| Reference speed | nref | 4200 r/min |
| Limiting speed | nG | 7000 r/min |
| Mass | ≈m | 0.250002 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 | NART20R |
Product Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Short Description | Roller Follower | |
| Long Description | Roller Follower, Metric, Non Separable Type, Caged, High Carbon Chrome Steel, Oil Hole, Open, Crowned | |
| Official Bearing Family | Roller Followers | |
| Official Bearing Type | Non-Separable Roller Followers | |
| Duty Type | Normal Duty |
Materials2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Rolling Element Material | SUJ2 | |
| Retainer Material | Steel |
Technical Data3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Outer Diameter Type | Crowned | |
| Rolling Element | Roller | |
| Relubricatable | Yes |