SKF 6306-2Z/VA228 deep groove ball bearings
Welcome to the SKF 6306-2Z/VA228 deep groove ball bearings online 42x25x9 Size (mm) seller.
| Size (mm) | 42x25x9 |
| Bore Diameter (mm) | 42 |
| Outer Diameter (mm) | 25 |
| Width (mm) | 9 |
| d | 25 mm |
| D | 42 mm |
| B | 9 mm |
| d1 | 30.6 mm |
| d2 | 30.6 mm |
| D1 | 36.4 mm |
| r1,2 – min. | 0.3 mm |
| r3,4 – min. | 0.2 mm |
| a | 9 mm |
| da – min. | 27 mm |
| db – min. | 27 mm |
| Da – max. | 40 mm |
| Db – max. | 40.6 mm |
| ra – max. | 0.3 mm |
| rb – max. | 0.2 mm |
| dn | 31.8 mm |
| Basic dynamic load rating – C | 6.8 kN |
| Basic static load rating – C0 | 4 kN |
| Fatigue load limit – Pu | 0.17 kN |
| Limiting speed for grease lubrication | 45000 r/min |
| Limiting speed for oil lubrication | 63000 mm/min |
| Ball – Dw | 4.762 mm |
| Ball – z | 18 |
| Gref | 0.54 cm3 |
| Calculation factor – f0 | 10.2 |
| Preload class A – GA | 25 N |
| Preload class B – GB | 50 N |
| Preload class C – GC | 100 N |
| Preload class D – GD | 200 N |
| Calculation factor – f | 1 |
| Calculation factor – f2A | 1 |
| Calculation factor – f2B | 1.07 |
| Calculation factor – f2C | 1.12 |
| Calculation factor – f2D | 1.18 |
| Calculation factor – fHC | 1.04 |
| Preload class A | 27 N/micron |
| Preload class B | 36 N/micron |
| Preload class C | 49 N/micron |
| Preload class D | 69 N/micron |
| Inventory | 0.0 |
| Manufacturer Name | SKF |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0 |
| Product Group | B04270 |
| Enclosure | Open |
| Precision Class | ABEC 7 | ISO P4 |
| Material – Ball | Ceramic |
| Number of Bearings | 1 (Single) |
| Contact Angle | 15 Degree |
| Preload | None |
| Raceway Style | 1 Rib Outer Ring |
| Cage Material | Phenolic |
| Rolling Element | Ball Bearing |
| Flush Ground | No |
| Inch – Metric | Metric |
| Other Features | Single Row | Angular Contact | High Capacity Basic Design |
| Long Description | 25MM Bore; 42MM Outside Diameter; 9MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Ceramic Ball |
| UNSPSC | 31171531 |
| Harmonized Tariff Code | 8482.10.50.28 |
| Noun | Bearing |
| Keyword String | Ball Angular Contact |
| Width | 0.354 Inch | 9 Millimeter |
| Bore | 0.984 Inch | 25 Millimeter |
| Outside Diameter | 1.654 Inch | 42 Millimeter |
| r1,2 min. | 0.3 mm |
| r3,4 min. | 0.2 mm |
| da min. | 27 mm |
| db min. | 27 mm |
| Da max. | 40 mm |
| Db max. | 40.6 mm |
| ra max. | 0.3 mm |
| rb max. | 0.2 mm |
| Basic dynamic load rating C | 6.76 kN |
| Basic static load rating C0 | 4 kN |
| Fatigue load limit Pu | 0.17 kN |
| Attainable speed for grease lubrication | 45000 r/min |
| Attainable speed for oil-air lubrication | 63000 r/min |
| Ball diameter Dw | 4.762 mm |
| Number of balls z | 18 |
| Reference grease quantity Gref | 0.54 cm³ |
| Preload class A GA | 25 N |
| Static axial stiffness, preload class A | 27 N/µm |
| Preload class B GB | 50 N |
| Static axial stiffness, preload class B | 36 N/µm |
| Preload class C GC | 100 N |
| Static axial stiffness, preload class C | 49 N/µm |
| Preload class D GD | 200 N |
| Static axial stiffness, preload class D | 69 N/µm |
| Calculation factor f | 1.07 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.07 |
| Calculation factor f2C | 1.12 |
| Calculation factor f2D | 1.18 |
| Calculation factor fHC | 1.04 |
| Calculation factor f0 | 10.2 |
| Mass bearing | 0.039 kg |
Detailed Parameters
parameter：
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