SKF N221ECP bearings
SKF single row cylindrical roller bearings, N design, SKF Explorer
- Measurement system
- Metric
- Bore diameter
- 105.000 mm
- Outside diameter
- 190.000 mm
- Width
- 36.000 mm
- Cr
- 300000 N
- C0r
- 315000 N
- Limiting speed
- 4300 r/min
- Net weight
- 3.88 kg
- Number of rows
- 1
- Sealing
- Without
- Cage
- Plastic
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
- Internal clearance
- CN
- Lubricant in bearing
- None
- Relubrication feature
- Without
- Coating
- Without
In stock
Technical specification for SKF N221ECP
| Part Number | N221ECP | |
|---|---|---|
| Description | SKF single row cylindrical roller bearings, N design, SKF Explorer | |
| Axial displace ment capability | In both directions | |
| Number of rows | 1 | |
| Number of flanges, outer ring | 0 | |
| Number of flanges, inner ring | 2 | |
| Cage | Plastic | |
| Radial internal clearance | CN | |
| Tolerance class | Normal (PN) | |
| Dimensions | ||
| d | 105.0 mm | Bore diameter |
| D | 190.0 mm | Outside diameter |
| B | 36.0 mm | Width |
| d1 | ≈134 mm | Shoulder diameter of inner ring |
| E | 173 mm | Raceway diameter of outer ring |
| r1,2 | min. 2.1 mm | Chamfer dimension |
| r3,4 | min. 2.1 mm | Chamfer dimension |
| s | max. 2 mm | Permissible axial displacement |
| Abutment dimensions | ||
| da | min. 117 mm | Diameter of spacer sleeve |
| da | max. 170 mm | Diameter of spacer sleeve |
| Da | min. 176 mm | Diameter of housing abutment |
| Da | max. 178 mm | Diameter of housing abutment |
| ra | max. 2 mm | Radius of fillet |
| rb | max. 2 mm | Radius of fillet |
| Calculation data | ||
| C | 300.0 kN | Basic dynamic load rating |
| C0 | 315.0 kN | Basic static load rating |
| Pu | 36.5 kN | Fatigue load limit |
| 4300.0 r/min | Limiting speed | |
| 3800.0 r/min | Reference speed | |
Single row cylindrical roller bearings are designed to accommodate high radial loads in combination with high speeds. Having two integral flanges on the inner ring and no flanges on the outer ring, N design bearings can accommodate axial displacement in both directions. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.
Dimensions and Performance of SKF N221ECP:
- Bore diameter: 105.0 mm
- Outside diameter: 190.0 mm
- Width: 36.0 mm
- Basic dynamic load rating: 300.0 kN
- Basic static load rating: 315.0 kN
- Limiting speed: 4300.0 r/min
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