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RNA6912-ZW-XL
Radial roller bearing
Needle roller bearings RNA69..-ZW, Dimension series 69, double row
Replaces
RNA6912-ZW
Main Dimensions & Performance Data
| Fw | 68 mm | Under roller diameter |
| D | 85 mm | Outside diameter |
| Cr | 106.000 N | Basic dynamic load rating, radial |
| C0r | 191.000 N | Basic static load rating, radial |
| Cur | 33.000 N | Fatigue load limit, radial |
| nG | 6.700 1/min | Limiting speed |
| nG Grease | 4.000 1/min | Limiting speed for grease lubrication |
| nϑr | 3.850 1/min | Reference speed |
| ≈m | 517 g | Weight |
Dimensions
| rmin | 1 mm | Minimum chamfer dimension |
| C | 45 mm | Width, outer ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Your current product variant
| Cage | Standard | |
| Lubrication hole | the aid of the bearing frequency calculator, you can determine this by inputting the geometrical data. | With |
| Coating | Without | |
| Sealing | Without | |
| Special features | Without | |
| Number of rolling element rows | ZW | Double-row design |
Characteristics
