77276A Franke Slewing Ring Bearings
| Brand Name: | Franke |
| Model Number: | 77276A |
| Bearing number: | 6811ZNR |
| Size (mm): | 55x72x9 |
| Bore Diameter (mm): | 55 |
| Outer Diameter (mm): | 72 |
| Width (mm): | 9 |
| d: | 55 mm |
| D: | 72 mm |
| B: | 9 mm |
Product Details
| Bearing number | 6811ZNR |
| Size (mm) | 55x72x9 |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 72 |
| Width (mm) | 9 |
| d | 55 mm |
| D | 72 mm |
| B | 9 mm |
| C | 9 mm |
| a | 1.7 mm |
| b | 0.95 mm |
| f | 0.85 mm |
| r min. | 0.3 mm |
| r1 min. | 0.3 mm |
| D1 | 70.7 mm |
| D2 | 74.8 mm |
| Weight | 0.085 Kg |
| Basic dynamic load rating (C) | 8,8 kN |
| Basic static load rating (C0) | 8,1 kN |
| (Grease) Lubrication Speed | 8500 r/min |
| Enclosure | Single Shield with Snap Ring |
| Bore Type | Cylindrical Bore |
| Configuration | Single Row |
| Bore Size | 55 mm |
| Outside Diameter | 72 mm |
| Width | 9 mm |
| Fillet Radius/Chamfer | 0.3 mm |
| r1 | 0.3 mm |
| Snap Ring Width | 0.9 mm |
| Snap Ring Outside Diameter | 74.8 mm |
| D1 (max) | 70.7 mm |
| a (max) | 1.7 mm |
| b (min) | 1 mm |
| Dynamic Load Rating | 8,800 N |
| Static Load Rating | 8,100 N |
| Limiting Speed - Grease | 8,700 rpm |
| Limiting Speed - Oil | 10,000 rpm |
| Factor fo | 16.2 |
| Radial Clearance | 0.008 to 0.028 mm |
| da (min) | 57 mm |
| Da (max) | 70 mm |
| Dx (min) | 76 mm |
| ra (max) | 0.3 mm |
| Cy (max) | 2.3 mm |