Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications14 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | CRB | |
| Variant / construction | Standard Type Crossed Roller Bearings | |
| Bore diameter | d | 250 mm |
| Outside diameter | D | 330 mm |
| Width | B | 30 mm |
| Basic dynamic load rating | C | 146 kN |
| Basic static load rating | C0 | 283 kN |
| Reference speed | nref | 259 r/min |
| Limiting speed | nG | 172 r/min |
| Mass | ≈m | 8.101387 kg |
| Precision class | JIS, Class 0 | |
| Bearing material | High Carbon Chromium Bearing Steel | |
| Minimum operating temperature | Tmin | 20 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity1 parameter
| Parameter | Symbol | Value |
|---|---|---|
| Cad Part Number | CRB25030 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Short Description | Crossed Roller Bearing | |
| Long Description | Standard Type Crossed Roller Bearings, Full Complement, High Carbon Steel, Open, Pre Load | |
| Official Bearing Family | Crossed Roller Bearings | |
| Official Bearing Type | Standard Type Crossed Roller Bearings |
Materials1 parameter
| Parameter | Symbol | Value |
|---|---|---|
| Rolling Element Material | JIS G 4805 (SUJ) |
Technical Data2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Rolling Element | Roller | |
| Relubricatable | Yes |