SKF 21311EK bearings
21311 EK Spherical roller bearings, Popular item, SKF Explorer
- Measurement system
- Metric
- Bore diameter
- 55.000 mm
- Outside diameter
- 120.000 mm
- Width
- 29.000 mm
- Cr
- 159 N
- C0r
- 166 N
- Limiting speed
- 7500 r/min
- Net weight
- 1.65 kg
- Number of rows
- 2
- Cage
- Steel sheet metal
- Bore type
- Tapered
- Outer diameter type
- Cylindrical
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
- Internal clearance
- CN
- Relubrication feature
- With
In stock
Technical specification for SKF 21311EK
| Part Number | 21311 EK | |
|---|---|---|
| Type | Spherical roller bearings K : Tapered bore, taper 1:12 Popular item SKF Explorer | |
| Bore type | Cylindrical | |
| Mass | 1.65 kg | |
| Dimensions | ||
| d | 55.0 mm | Bore diameter |
| D | 120.0 mm | Outside diameter |
| B | 29.0 mm | Width |
| d2 | 72.7 mm | Shoulder diameter of inner ring |
| D1 | 96.2 mm | Shoulder/recess diameter of outer ring |
| b | 6.0 mm | Width of lubrication groove |
| K | 3.0 mm | Diameter of lubrication hole |
| r1,2 | min. 2.0 mm | Chamfer dimension |
| Abutment Dimensions | ||
| Da | max. 109.0 mm | Diameter of housing abutment |
| ra | max. 2.0 mm | Radius of fillet |
| Calculation Data | ||
| C | 159.0 kN | Basic dynamic load rating |
| C0 | 166.0 kN | Basic static load rating |
| Pu | 18.6 kN | Fatigue load limit |
| 7500.0 r/min | Limiting speed | |
| 5600.0 r/min | Reference speed | |
| e | 0.24 | Limiting value |
| Y1 | 2.8 | Axial load factor |
| Y2 | 4.2 | Axial load factor |
| Y0 | 2.8 | Axial load factor |
SKF 21311 EK, Spherical roller bearing, Dimensions: 55.0x120.0x29.0 mm
K : Tapered bore, taper 1:12
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