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Needle roller bearings are roller bearings with cylindrical rollers that are thin and long relative to their diameter. Such rollers are called needle rollers. Despite having a smaller section, the bearing still has a high load carrying capacity. The needl··
Part Number |
d - Bore |
D - Outer Diameter |
B - Width |
Cr - Dynamic Radial Rating |
Cor - Static Radial Rating |
Reference speed |
Limiting speed |
|---|---|---|---|---|---|---|---|
| NK47/20 | - | 57 mm | - | 29.2 N | 61 N | 8500 rpm | 10000 rpm |
| NK47/30 | - | 57 mm | - | 41.8 N | 98 N | 8500 rpm | 10000 rpm |
| RNA4908.2RS | - | 62 mm | - | 36.9 N | 58.5 N | - | 4000 rpm |
| RNA4908 | - | 62 mm | - | 42.9 N | 71 N | 8000 rpm | 9500 rpm |
| RNA6908 | - | 62 mm | - | 67.1 N | 125 N | 8000 rpm | 9500 rpm |
| NK50/25TN | - | 62 mm | - | 42.9 N | 91.5 N | 8000 rpm | 9000 rpm |
| NK50/35TN | - | 62 mm | - | 58.3 N | 137 N | 8000 rpm | 9000 rpm |
| NKS50 | - | 65 mm | - | 42.9 N | 72 N | 8000 rpm | 9000 rpm |
| RNA4909.2RS | - | 68 mm | - | 39.1 N | 64 N | - | 3800 rpm |
| RNA4909 | - | 68 mm | - | 45.7 N | 78 N | 7500 rpm | 8500 rpm |
| RNA6909 | - | 68 mm | - | 70.4 N | 137 N | 7500 rpm | 8500 rpm |
| NK55/25 | - | 68 mm | - | 40.2 N | 88 N | 7500 rpm | 8500 rpm |
| NK55/35 | - | 68 mm | - | 52.3 N | 122 N | 7500 rpm | 8500 rpm |
| NKS55 | - | 72 mm | - | 44.6 N | 78 N | 7000 rpm | 8000 rpm |
| RNA4910.2RS | - | 72 mm | - | 40.2 N | 69.5 N | - | 3400 rpm |
| RNA4910 | - | 72 mm | - | 47.3 N | 85 N | 7000 rpm | 8000 rpm |
| RNA6910 | - | 72 mm | - | 73.7 N | 150 N | 7000 rpm | 8000 rpm |
| NK60/25TN | - | 72 mm | - | 46.8 N | 110 N | 6700 rpm | 7500 rpm |
| NK60/35 | - | 72 mm | - | 55 N | 134 N | 6700 rpm | 7500 rpm |
| NKS60 | - | 80 mm | - | 62.7 N | 104 N | 6300 rpm | 7500 rpm |
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