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| Bearing model | Boundary Dimensions（mm） | Speed Rating(ipm) | Load Rating （kn） | Bearing type | ||||
|---|---|---|---|---|---|---|---|---|
| d | D | B | Grease lubrication | Oil lubrication | Dynamic Cr | Static Cor | ||
| 6304-RSH | 20 | 52 | 15 | 16.8 | 7.8 | 9500 | Deep groove ball bearing | |
| 6304-2ZNR | 20 | 52 | 15 | 16.8 | 7.8 | 30000 | 15000 | Deep groove ball bearing |
| 6304-2Z/VA228 | 20 | 52 | 15 | 16.8 | 7.8 | 250 | Deep groove ball bearing | |
| 6304-2Z/VA208 | 20 | 52 | 15 | 16.8 | 7.8 | 120 | Deep groove ball bearing | |
| 6304-2Z/VA201 | 20 | 52 | 15 | 16.8 | 7.8 | 120 | Deep groove ball bearing | |
| 6304-2Z | 20 | 52 | 15 | 16.8 | 7.8 | 30000 | 15000 | Deep groove ball bearing |
| 6304-2RSL | 20 | 52 | 15 | 15.9 | 7.8 | 30000 | 15000 | Deep groove ball bearing |
| 6304-2RSH | 20 | 52 | 15 | 16.8 | 7.8 | 9500 | Deep groove ball bearing | |
| 6304/HR22T2 | 20 | 52 | 15 | 0.35 | 0.28 | 840 | Deep groove ball bearing | |
| 6304/HR22Q2 | 20 | 52 | 15 | 0.35 | 0.28 | 840 | Deep groove ball bearing | |
| 6304/HR11TN | 20 | 52 | 15 | 0.5 | 0.35 | 950 | Deep groove ball bearing | |
| 6304/HR11QN | 20 | 52 | 15 | 0.5 | 0.35 | 950 | Deep groove ball bearing | |
| 6304 NR | 20 | 52 | 15 | 16.8 | 7.8 | 30000 | 19000 | Deep groove ball bearing |
| 6304 N | 20 | 52 | 15 | 16.8 | 7.8 | 30000 | 19000 | Deep groove ball bearing |
| 6304 ETN9 | 20 | 52 | 15 | 18.2 | 9 | 30000 | 19000 | Deep groove ball bearing |
| 6303-ZNR | 17 | 47 | 14 | 14.3 | 6.55 | 34000 | 22000 | Deep groove ball bearing |
| 6303-Z | 17 | 47 | 14 | 14.3 | 6.55 | 34000 | 22000 | Deep groove ball bearing |
| 6303-RSL | 17 | 47 | 14 | 14.3 | 6.55 | 34000 | 22000 | Deep groove ball bearing |
| 6303-RSH | 17 | 47 | 14 | 14.3 | 6.55 | 11000 | Deep groove ball bearing | |
| 6303-2ZNR | 17 | 47 | 14 | 14.3 | 6.55 | 34000 | 17000 | Deep groove ball bearing |
| 6303-2Z/VA228 | 17 | 47 | 14 | 14.3 | 6.55 | 280 | Deep groove ball bearing | |
| 6303-2Z | 17 | 47 | 14 | 14.3 | 6.55 | 34000 | 17000 | Deep groove ball bearing |
| 6303-2RSL | 17 | 47 | 14 | 14.3 | 6.55 | 34000 | 17000 | Deep groove ball bearing |
| 6303-2RSH | 17 | 47 | 14 | 14.3 | 6.55 | 11000 | Deep groove ball bearing | |
| 6303/HR22T2 | 17 | 47 | 14 | 0.26 | 0.21 | 920 | Deep groove ball bearing | |
| 6303/HR22Q2 | 17 | 47 | 14 | 0.26 | 0.21 | 920 | Deep groove ball bearing | |
| 6303/HR11TN | 17 | 47 | 14 | 0.37 | 0.26 | 1050 | Deep groove ball bearing | |
| 6303/HR11QN | 17 | 47 | 14 | 0.37 | 0.26 | 1050 | Deep groove ball bearing | |
| 6303 NR | 17 | 47 | 14 | 14.3 | 6.55 | 34000 | 22000 | Deep groove ball bearing |
| 6303 N | 17 | 47 | 14 | 14.3 | 6.55 | 34000 | 22000 | Deep groove ball bearing |
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