SKF 6311-2RSH bearings
6311-2RSH Single row deep groove ball bearing with seals, SKF Explorer
- Measurement system
- Metric
- Bore diameter
- 55.000 mm
- Outside diameter
- 120.000 mm
- Width
- 29.000 mm
- Cr
- 74100 N
- C0r
- 45000 N
- Limiting speed
- 3800 r/min
- Net weight
- 1.4 kg
- Number of rows
- 1
- Sealing
- Contact seal on both sides
- Cage
- Steel sheet
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Class P6 (P6)
- Internal clearance
- CN
- Lubricant in bearing
- Grease
- Relubrication feature
- Without
In stock
Technical specification for SKF 6311-2RSH
| Part Number | 6311-2RSH | |
|---|---|---|
| Description | Deep groove ball bearing with seals, SKF Explorer | |
| Cage | Sheet metal | |
| Number of rows | 1 | |
| Sealing | Contact seal on both sides | |
| Dimensions | ||
| d | 55.0 mm | Bore diameter |
| D | 120.0 mm | Outside diameter |
| B | 29.0 mm | Width |
| d2 | ≈ 71.144 mm | Recess diameter |
| D2 | ≈ 104.3 mm | Recess diameter |
| r1,2 | min. 2.0 mm | Chamfer dimension |
| P6 and tighter width tolerance | ISO tolerance class for dimensions | |
| Abutment Dimensions | ||
| da | min. 66.0 mm | Diameter of shaft abutment |
| da | max. 70.8 mm | Diameter of shaft abutment |
| Da | max. 109.0 mm | Abutment diameter housing |
| ra | max. 2.0 mm | Radius of fillet |
| Calculation Data | ||
| C | 74.1 kN | Basic dynamic load rating |
| C0 | 45.0 kN | Basic static load rating |
| Pu | 1.9 kN | Fatigue load limit |
| 3800.0 r/min | Limiting speed | |
| kr | 0.03 | Minimum load factor |
| f0 | 13.1 | Calculation factor |
| Tolerances of run-out | ||
| tKia | 20.0 µm | Range of section height at inner ring of assembled bearing |
| tKea | 35.0 µm | Range of section height at outer ring of assembled bearing |
| Normal | ISO tolerance class for geometrical tolerances | |
6311-2RSH, Single row deep groove ball bearings with seals on one or both sides are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than other bearing types. The integral sealing can significantly prolong bearing service life because it keeps lubricant in the bearings and contaminants out.
- Bore diameter: 55.0 mm
- Outside diameter: 120.0 mm
- Width: 29.0 mm
- Cage: Sheet metal
- Radial internal clearance: CN
- ISO tolerance class for dimensions: P6 and tighter width tolerance
- ISO tolerance class for geometrical tolerances: Normal
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