6309 deep groove ball bearings specification
| Deep Groove Ball Bearings No. | I.D | O.D | B | |||
| d | d | Open type | ||||
| mm | inch | mm | inch | mm | inch | |
| 6309 | 45 | 1.7716 | 100 | 3.937 | 25 | 0.9843 |
| Deep Groove Ball Bearings No. | B | Load Rating(KN) | Steel Ball Parameter | |||
| Closed type | Dynamic | Static | No. | Size | ||
| mm | inch | Cr | Cor | mm | ||
| 6309 | 25 | 0.9843 | 53.00 | 32.00 | 8 | 17.462 |
| Deep Groove Ball Bearings No. | Max speed | Weight Kg | ||||
| Grease | Oil | |||||
| r/min | r/min | |||||
| 6309 | 7000 | 8200 | 0.830 | |||
Dimensions of stop groove and stop ring of 6309 bearings
| d (mm) | Rated nominal, outer diameter D | Stop ring groove D1 | |||
| 0 | 2 | 3 | biggest | smallest | |
| 25 - 28 | 20 22 25 | 17 - 20 | 47 50 52 | 44.6 47.6 49.73 | 44.35 47.35 49.48 |
| 30 - 32 | - - 28 | - 22 - | 55 56 58 | 52.6 53.6 55.6 | 52.35 53.35 55.35 |
| 35 - 40 | 30 32 - | 25 - 28 | 62 65 68 | 59.61 62.6 64.82 | 59.11 62.1 64.31 |
| - 45 50 | 35 - 40 | 30 32 35 | 72 75 80 | 68.81 71.83 76.81 | 68.3 71.32 76.3 |
| - 55 60 | 45 50 - | - 40 - | 85 90 95 | 81.81 86.79 91.82 | 81.31 86.28 91.31 |
| 65 70 75 | 55 60 - | 45 50 - | 100 110 115 | 96.8 106.81 111.81 | 96.29 106.3 111.3 |
| - 80 85 | 65 70 75 | 55 - 60 | 120 125 130 | 115.21 120.22 125.22 | 114.71 119.71 124.71 |
| 90 95 100 | 80 - 85 | 65 - 70 | 140 145 150 | 135.23 140.23 145.24 | 134.72 139.73 144.73 |
| 105 110 120 | 90 95 100 | 75 80 85 | 160 170 180 | 155.22 163.65 173.66 | 154.71 163.14 173.15 |
| Stop ring groove position a | |||||
| 0 | 2 | 3 | |||
| biggest | smallest | biggest | smallest | ||
| 2.06 - 2.06 | 1.9 - 1.9 | 2.46 2.46 2.46 | 2.31 2.31 2.31 | ||
| 2.08 - 2.08 | 1.88 - 1.88 | - 2.46 2.46 | - 2.31 2.31 | ||
| 2.08 - 2.49 | 1.88 - 2.29 | 3.28 3.28 3.28 | 3.07 3.07 3.07 | ||
| - 2.49 2.49 | - 2.29 2.29 | 3.28 3.28 3.28 | 3.07 3.07 3.07 | ||
| - 2.87 2.87 | - 2.67 2.67 | 3.28 3.28 - | 3.07 3.07 - | ||
| 2.87 2.87 2.87 | 2.67 2.67 2.67 | 3.28 3.28 - | 3.07 3.07 - | ||
| - 2.87 2.87 | - 2.67 2.67 | 4.06 4.06 4.06 | 3.86 3.86 3.86 | ||
| 3.71 3.71 3.71 | 3.45 2.35 3.45 | 4.90 - 4.90 | 4.65 - 4.65 | ||
| 3.71 3.71 3.71 | 3.45 3.45 3.45 | 4.90 5.69 5.69 | 4.65 5.44 5.44 | ||
NSAR premium 6309 bearings are made in China and 6309 bearing Made of bearings steel,bearings steel with higher and more uniform hardness and abrasion resistance.The most rare is that of bearings steel with ultra-high hardness at the same time,have very strong elasticity.The assurance of hardness can prolong the service life of deep groove ball bearings.
