Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | BR | |
| Variant / construction | Machined Type Needle Roller Bearings | |
| Basic dynamic load rating | C | 60.1 kN |
| Basic static load rating | C0 | 108 kN |
| Reference speed | nref | 5100 r/min |
| Limiting speed | nG | 8500 r/min |
| Mass | ≈m | 0.224982 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 | BR303920 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Short Description | Machined Type Needle Roller Bearings | |
| Long Description | Machined Type Needle Roller Bearings, High Carbon Steel, Oil Hole | |
| Official Bearing Family | Needle Roller Bearings | |
| Official Bearing Type | Machined Type Needle Roller Bearings |
Materials2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Rolling Element Material | SUJ2 | |
| Retainer Material | Steel |
Technical Data5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter Inch | 1.875 | |
| Outer Diameter Inch | 2.4375 | |
| Overall Width Inch | 1.25 | |
| Rolling Element | Roller | |
| Relubricatable | Yes |