NU 321 ECML
Precision cylindrical roller bearing > Single row cylindrical roller bearing
NU 321 ECML - Precision cylindrical roller bearing - Single row cylindrical roller bearing
| Product model | NU 321 ECML |
|---|---|
| d | 105 mm |
| D | 225 mm |
| B | 49 mm |
| Limiting speed | 5600 r/min |
| Reference speed | 3200 r/min |
| D1 | ≈190mm |
| F | 133mm |
| r1,2 | min.3mm |
| Chamfer dimension (r3,4) | min.3mm |
| Allowable axial displacement (s) | max.3.4mm |
| da | max.129mm |
| db | min.136mm |
| Da | max.209.4mm |
| ra | max.2.5mm |
| rb | max.2.5mm |
| Fatigue load limit(Pu) | 57kN |
| Minimum load factor(kr) | 0.23 |
| Limit value (e) | 0.2 |
| Axial load factor (Y) | 0.6 |
| Weight | 9.5kg |
Product Details
The NU 321 ECML is part of the Single row cylindrical roller bearing series within our Precision cylindrical roller bearing range. It is engineered for high-performance industrial use and delivers reliable operation under demanding working conditions.
Typical applications include: machine tool spindles, rolling mills, gearboxes and industrial pumps. For detailed dimensions and load ratings, please refer to the specification table above. Contact FIJ for bulk pricing, technical support or customized solutions.
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NU 321 ECML / Single row cylindrical roller bearing / Precision cylindrical roller bearing