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RNA6912-ZW-XL
Heavy Duty Needle Roller Bearings (Machined)
Dimensions: Bore (Inner) Diameter: 68 mm； Outer Diameter: 85 mm； Width (Thickness): 45 mm;
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Product Attributes
| Bearing Type | Roller |
| Roller Bearing Type | Needle |
| For Load Direction | Radial |
| Construction | Double Row |
| System of Measurement | Metric |
| Seal Type | Open |
| Part Number | RNA6912-ZW-XL |
| For Shaft Diameter | 68mm |
| Bore Dia | 68mm |
| Bore Dia Tolerance | 0.03mm to 0.049mm |
| For Housing ID | 85mm |
| Outer Dia | 85mm |
| Outer Dia Tolerance | -0.015mm to 0 |
| Width | 45mm |
| Width Tolerance | -0.15mm to 0 |
| Chamfer Dimension (r min) | 1mm |
| Ring Material | steel |
| Roller Material | steel |
| Cage Material | steel |
| Dynamic Load Rating (Cr) (Newtons) | 106000 |
| Static Load Rating (Cor) (Newtons) | 191000 |
| Fatigue limit load(Cur) (Newtons) | 33000 |
| Max Speed (Grease) (RPM) | 6700 |
| Lubrication | Required |
| Lubricant | Grease |
| Shaft Mount Type | Press Fit |
| Temperature Range | -20 to 110 °C |
| RoHS | Compliant |
| Weight (grams) | 488 |
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