NTN RE3421 Bearings for special applications
NTN RE3421 Bearings for special applications Needs Analysis 0.29 kg Weight , Bearings for special applications Manufacturing US201-08G2 Designation of bearing Service . Get BEARINGS (UK) LTD. Your Free.
What is RE3421 bearing interchange？
| Brand Name: | NTN |
| Model Number: | RE3421 |
| Bearing number: | 7228BDB |
| Size (mm): | 140x250x42 |
| Bore Diameter (mm): | 140 |
| Outer Diameter (mm): | 250 |
| Width (mm): | 42 |
| d: | 140 mm |
| D: | 250 mm |
| B: | 42 mm |
Product Details
| Bearing number | 7228BDB |
| Size (mm) | 140x250x42 |
| Bore Diameter (mm) | 140 |
| Outer Diameter (mm) | 250 |
| Width (mm) | 42 |
| d | 140 mm |
| D | 250 mm |
| B | 42 mm |
| C | 42 mm |
| Angle (α) | 40 ° |
| a | 60.8 mm |
| r min. | 3 mm |
| r1 min. | 1.1 mm |
| 2B | 84 mm |
| da min. | 147 mm |
| Da max. | 243 mm |
| ra max. | 1 mm |
| Weight | 8.78 Kg |
| Basic dynamic load rating (C) | 320 kN |
| Basic static load rating (C0) | 425 kN |
| (Grease) Lubrication Speed | 1600 r/min |
| Bore Type | Cylindrical Bore |
| Enclosure | Open |
| Configuration | Duplex |
| Bore Size | 140 mm |
| Outside Diameter | 250 mm |
| Width | 42 mm |
| Fillet Radius/Chamfer | 3 mm |
| r1 | 1.1 mm |
| Dynamic Load Rating | 320,000 N |
| Static Load Rating | 425,000 N |
| Limiting Speed - Grease | 1,600 rpm |
| Limiting Speed - Oil | 2,200 rpm |
| da1 (min) | 154 mm |
| da2 (min) | 147 mm |
| Da1 (max) | 236 mm |
| Da2 (max) | 243 mm |
| ra (max) | 2.5 mm |
| ra1 (max) | 1 mm |
