NU28/85 TIMKEN Tapered Roller Bearings Double-row
| Brand Name: | TIMKEN |
| Model Number: | NU28/85 |
| Bearing number: | 6804NR |
| Size (mm): | 20x32x7 |
| Bore Diameter (mm): | 20 |
| Outer Diameter (mm): | 32 |
| Width (mm): | 7 |
| d: | 20 mm |
| D: | 32 mm |
| B: | 7 mm |
Product Details
| Bearing number | 6804NR |
| Size (mm) | 20x32x7 |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 32 |
| Width (mm) | 7 |
| d | 20 mm |
| D | 32 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 | 30.7 mm |
| D2 | 34.8 mm |
| Weight | 0.020 Kg |
| Basic dynamic load rating (C) | 4 kN |
| Basic static load rating (C0) | 2,64 kN |
| (Grease) Lubrication Speed | 20000 r/min |
| Bore Type | Cylindrical Bore |
| Configuration | Single Row |
| Enclosure | Snap Ring Groove with Snap Ring |
| Bore Size | 20 mm |
| Outside Diameter | 32 mm |
| Width | 7 mm |
| Fillet Radius/Chamfer | 0.3 mm |
| r1 | 0.3 mm |
| Snap Ring Width | 0.9 mm |
| Snap Ring Outside Diameter | 34.8 mm |
| D1 (max) | 30.7 mm |
| a (max) | 1.3 mm |
| b (min) | 1 mm |
| Dynamic Load Rating | 4,000 N |
| Static Load Rating | 2,640 N |
| Limiting Speed - Grease | 22,000 rpm |
| Limiting Speed - Oil | 26,000 rpm |
| Factor fo | 15.5 |
| Radial Clearance | 0.005 to 0.020 mm |
| da (min) | 22 mm |
| Da (max) | 30 mm |
| Dx (min) | 35.5 mm |
| ra (max) | 0.3 mm |
| Cy (max) | 1.8 mm |
