660TQO1070-1 NSK Four row bearings
| Brand Name: | NSK |
| Model Number: | 660TQO1070-1 |
| Bearing number: | 6806NR |
| Size (mm): | 30x42x7 |
| Bore Diameter (mm): | 30 |
| Outer Diameter (mm): | 42 |
| Width (mm): | 7 |
| d: | 30 mm |
| D: | 42 mm |
| B: | 7 mm |
Product Details
| Bearing number | 6806NR |
| Size (mm) | 30x42x7 |
| Bore Diameter (mm) | 30 |
| Outer Diameter (mm) | 42 |
| Width (mm) | 7 |
| d | 30 mm |
| D | 42 mm |
| B | 7 mm |
| C | 7 mm |
| a | 1.3 mm |
| b | 0.95 mm |
| f | 0.85 mm |
| r min. | 0.3 mm |
| r1 min. | 0.3 mm |
| D1 | 40.7 mm |
| D2 | 44.8 mm |
| Weight | 0.027 Kg |
| Basic dynamic load rating (C) | 5,35 kN |
| Basic static load rating (C0) | 3,8 kN |
| (Grease) Lubrication Speed | 15000 r/min |
| Bore Type | Cylindrical Bore |
| Configuration | Single Row |
| Enclosure | Snap Ring Groove with Snap Ring |
| Bore Size | 30 mm |
| Outside Diameter | 42 mm |
| Width | 7 mm |
| Fillet Radius/Chamfer | 0.3 mm |
| r1 | 0.3 mm |
| Snap Ring Width | 0.9 mm |
| Snap Ring Outside Diameter | 44.8 mm |
| D1 (max) | 40.7 mm |
| a (max) | 1.3 mm |
| b (min) | 1 mm |
| Dynamic Load Rating | 5,350 N |
| Static Load Rating | 3,800 N |
| Limiting Speed - Grease | 15,000 rpm |
| Limiting Speed - Oil | 18,000 rpm |
| Factor fo | 16.4 |
| Radial Clearance | 0.005 to 0.020 mm |
| da (min) | 32 mm |
| Da (max) | 40 mm |
| Dx (min) | 45.5 mm |
| ra (max) | 0.3 mm |
| Cy (max) | 1.8 mm |
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