| Items |
 300R 300-R Series Precision Ball Bearings (ABEC5 & ABEC7) |
301R 300-R Series Precision Ball Bearings (ABEC5 & ABEC7) |
302R 300-R Series Precision Ball Bearings (ABEC5 & ABEC7) |
303R 300-R Series Precision Ball Bearings (ABEC5 & ABEC7) |
304R 300-R Series Precision Ball Bearings (ABEC5 & ABEC7) |
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| Bore d | 10.000 mm | 12.000 mm | 15.000 mm | 17.000 mm | 20.000 mm | |||||
| Outside Diameter D1 | 35.0000 mm | 37.0000 mm | 42.0000 mm | 47.0000 mm | 52.0000 mm | |||||
| Width B | 11.00 mm | 12.00 mm | 13.00 mm | 14.00 mm | 15.00 mm | |||||
| Fillet Radius ra | 1.00 mm | |||||||||
| Fillet Radius rb | 0.60 mm | |||||||||
| Grease Speed Rating n1 | 46000 rpm | 44000 rpm | 39000 rpm | 37000 rpm | 30000 rpm | |||||
| Oil Speed Rating n2 | 73000 rpm | 67000 rpm | 56000 rpm | 53000 rpm | 45000 rpm | |||||
| Basic Dynamic Radial Load Rating C | 10500 N | 10600 N | 12100 N | 14800 N | 20300 N | |||||
| Basic Static Radial Load Rating Co | 4550 N | 4900 N | 6550 N | 8150 N | 11400 N | |||||
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