SKF 638/8-2Z bearings
638/8-2Z Deep groove ball bearing with shields, ,
- Measurement system
- Metric
- Bore diameter
- 8.000 mm
- Outside diameter
- 16.000 mm
- Width
- 6.000 mm
- Cr
- 819 N
- C0r
- 300 N
- Limiting speed
- 45000 r/min
- Net weight
- 0.0043 kg
- Number of rows
- 1
- Sealing
- Shield on both sides
- Cage
- Steel sheet metal
- Bore type
- Cylindrical
- Outer diameter type
- Cylindrical
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
- Internal clearance
- CN
- Lubricant in bearing
- Grease
In stock
Technical specification for SKF 638/8-2Z
| Part Number | 638/8-2Z | |
|---|---|---|
| Description | Single row deep groove ball bearings 2Z : Shield on both sides | |
| Cage | Sheet metal | |
| Tolerance class | Normal (PN) | |
| Seal | Shield on both sides | |
| Net weight | 0.0043 kg | |
| Dimensions | ||
| d | 8.0 mm | Bore diameter |
| D | 16.0 mm | Outside diameter |
| B | 6.0 mm | Width |
| d2 | ≈ 9.65 mm | Shoulder diameter |
| D2 | ≈ 14.2 mm | Recess diameter |
| r1,2 | min. 0.2 mm | Chamfer dimension |
| Abutment Dimensions | ||
| da | min. 9.4 mm | Diameter of shaft abutment |
| da | max. 9.5 mm | Diameter of shaft abutment |
| Da | max. 14.6 mm | Diameter of housing abutment |
| ra | max. 0.2 mm | Radius of shaft or housing fillet |
| Calculation Data | ||
| C | 0.819 kN | Basic dynamic load rating |
| C0 | 0.3 kN | Basic static load rating |
| Pu | 0.012 kN | Fatigue load limit |
| 45000.0 r/min | Limiting speed | |
| 90000.0 r/min | Reference speed | |
| kr | 0.015 | Minimum load factor |
| f0 | 7.5 | Calculation factor |
SKF 638/8-2Z ,single row deep groove ball bearing with seals, Dimensions: 8.0x16.0x6.0 mm, sheet metal cage, Normal (PN).
2Z : Shield on both sides
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