Needle roller bearing
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| Part Number | d - Bore | D - Outer Diameter | B - Width | Cr - Dynamic Radial Rating | Cor - Static Radial Rating | Grease lubrication | Oil lubrication |
|---|---|---|---|---|---|---|---|
| NA4911A | 55 mm | 80 mm | 25 mm | - N | - N | - rpm | - rpm |
| NA4911X1A | 55 mm | 85 mm | 25 mm | - N | - N | - rpm | - rpm |
| NA4912A | 30 mm | 85 mm | 25 mm | - N | - N | - rpm | - rpm |
| NA4913A | 65 mm | 90 mm | 25 mm | - N | - N | - rpm | - rpm |
| NA4914A | 70 mm | 100 mm | 30 mm | - N | - N | - rpm | - rpm |
| NA4917A | 85 mm | 120 mm | 35 mm | - N | - N | - rpm | - rpm |
| NA4918A/C9 | 90 mm | 125 mm | 35 mm | - N | - N | - rpm | - rpm |
| NA4920A | 100 mm | 140 mm | 40 mm | - N | - N | - rpm | - rpm |
| NA4922A | 110 mm | 150 mm | 40 mm | - N | - N | - rpm | - rpm |
| NA5903 | 17 mm | 30 mm | 18 mm | 15.2 N | 21.9 N | 20000 rpm | - rpm |
| NA6/101.6M | 101.6 mm | 171.45 mm | 133.35 mm | - N | - N | - rpm | - rpm |
| NA6/195M | 195 mm | 290 mm | 190 mm | - N | - N | - rpm | - rpm |
| NA6/206.375M/W26 | 206.375 mm | 285.75 mm | 222.25 mm | - N | - N | - rpm | - rpm |
| NA6/245 | 245 mm | 280 mm | 36 mm | - N | - N | - rpm | - rpm |
| NA6/245A | 245 mm | 280 mm | 360 mm | - N | - N | - rpm | - rpm |