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BlogSKF Deep Groove Ball Bearing 6306 -2Z
Shielded deep groove ball bearings from SKF are flexible bearings that can handle high and extremely high speeds. In both directions, they can support radial and axial loads. Ball bearings are extremely low-maintenance. SKF deep groove ball bearings are available in a variety of sizes. Single row ball bearings are included in this category.
Shielded (2Z) bearings include two metallic dust shields to prevent dirt and extraneous debris from entering the bearing. 2Z bearings with two low-friction seals are known as 2RZ bearings.
DIMENSIONS
| d | 30 mm | Bore diameter |
|---|---|---|
| D | 72 mm | Outside diameter |
| B | 19 mm | Width |
| d1 | ≈44.6 mm | Shoulder diameter |
| D2 | ≈61.88 mm | Recess diameter |
| r1,2 | min.1.1 mm | Chamfer dimension |
ABUTMENT DIMENSIONS
| da | min.37 mm | Diameter of shaft abutment |
|---|---|---|
| da | max.44.5 mm | Diameter of shaft abutment |
| Da | max.65 mm | Diameter of housing abutment |
| ra | max.1 mm | Radius of shaft or housing fillet |
CALCULATION DATA
| Basic dynamic load rating | C | 29.6 kN |
|---|---|---|
| Basic static load rating | C0 | 16 kN |
| Fatigue load limit | Pu | 0.67 kN |
| Reference speed | 20 000 r/min | |
| Limiting speed | 11 000 r/min | |
| Minimum load factor | kr | 0.03 |
| Calculation factor | f0 | 13.1 |
MASS
| Mass bearing | 0.36 kg |
TOLERANCE CLASS
| Dimensional tolerances | P6 |
| Radial run-out | P6 |
TOLERANCES AND CLEARANCES
Bearing data
Bearing interfaces
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