Deep Groove Ball Bbearings 6303 Motorcycle Parts 6303 Z ZZ ABEC Made in China are very versatile. Very simple in design being non-separable these bearings are suitable for high and even very high speeds, robust in operation and require little maintenance. Having deep raceway grooves in close proximity to the balls enables a deep groove ball bearing to accommodate axial loads in both directions as well as radial loads, even at high speeds. Single row deep groove ball bearings are the most common and widely used bearing. Choose from open, sealed (2RS) or shielded (2Z) designations. C3 - Bearing internal clearance greater than normal.
Single row deep groove ball bearings are the most popular and widely used bearing today and are used in everything from Gearboxes, Electric Motors, Textile machines, Hand tools to skateboards.
Double row deep groove ball bearings can be used in industries such as printing machinery, oil pump, transmission and general engineering.
Reference Variations: 6303ZZC3, 6303-ZZ-C3, 6303 2Z C3, 63032ZC3, 6303-2ZC3 , 6303ZC3 , 6303-Z-C3
| Bearing Type | Ball |
| For Load Direction | Radial |
| Construction | Single Row |
| Seal Type | Shielded |
| Part Number | 6303ZZ |
| For Shaft Diameter | 17mm |
| Bore Dia (d) | 17mm |
| Bore Dia Tolerance | -0.008mm to 0 |
| For Housing ID | 47mm |
| Outer Dia (D) | 47mm |
| Outer Dia Tolerance | -0.011mm to 0 |
| Width (B) | 14mm |
| Width Tolerance | -0.12mm to 0 |
| Ring Material | 52100 Chrome steel |
| Ball Material | 52100 Chrome steel |
| Cage Material | 300 Series Stainless Steel |
| Shield Material | 300 Series Stainless Steel |
| Dynamic Load Rating (Cr) (Newtons) | 13600 |
| Static Load Rating (Cor) (Newtons) | 6650 |
| Max Speed (Grease) (X1000 RPM) | 15 |
| Max Speed (Oil) (X1000 RPM) | 27 |
| Lubrication | Required |
| Shaft Mount Type | Press Fit |
| Temperature Range | -30° to 110 °C |
| ABEC Rating | ABEC-3 |
| Radial Clearance Trade No. | C0 |
| Radial Clearance | 0.003mm to 0.018mm |
| RoHS | Compliant |
| Ball Qty | 7 |
| Ball Dia | 8.731mm |
| Weight (grams) | 115 |
1 Applicable only for open, single Z, ZZ, single RU and 2RU types in inner ring rotating conditions. Max. speeds for the contact rubber seal(s) types will be around 50-60 % of above values.
2 Applicable only for open, single Z, ZZ, single RU and 2RU types in inner ring rotating conditions. Max. speeds for the contact rubber seal(s) types will be around 50-60 % of above values.
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