SKF 21308 E bearings
21308 E Spherical roller bearings, Popular item, SKF Explorer
- Measurement system
- Metric
- Bore diameter
- 40.000 mm
- Outside diameter
- 90.000 mm
- Width
- 23.000 mm
- Cr
- 107000 N
- C0r
- 108000 N
- Limiting speed
- 9500 r/min
- Net weight
- 0.74 kg
- Number of rows
- 2
- Sealing
- Without
- Cage
- Steel sheet metal
- Bore type
- Cylindrical
- Outer diameter type
- Cylindrical
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
- Internal clearance
- CN
- Relubrication feature
- Hole and groove
In stock
Technical specification for SKF 21308 E
| Part Number | 21308 E | |
|---|---|---|
| Type | Spherical roller bearings Popular item SKF Explorer |
|
| Bore type | Cylindrical | |
| Mass | 0.74 kg | |
| Dimensions | ||
| d | 40.0 mm | Bore diameter |
| D | 90.0 mm | Outside diameter |
| B | 23.0 mm | Width |
| d2 | 60.0 mm | Shoulder diameter of inner ring |
| D1 | 79.8 mm | Shoulder/recess diameter of outer ring |
| b | 5.5 mm | Width of lubrication groove |
| K | 3.0 mm | Diameter of lubrication hole |
| r1,2 | min. 1.5 mm | Chamfer dimension |
| Abutment Dimensions | ||
| da | min. 49.0 mm | Diameter of shaft abutment |
| Da | max. 81.0 mm | Diameter of housing abutment |
| ra | max. 1.5 mm | Radius of fillet |
| Calculation Data | ||
| C | 107.0 kN | Basic dynamic load rating |
| C0 | 108.0 kN | Basic static load rating |
| Pu | 12.0 kN | Fatigue load limit |
| 9500.0 r/min | Limiting speed | |
| 7000.0 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 21308 E, Spherical roller bearing, Dimensions: 40.0x90.0x23.0 mm
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