RNA Series
| Inquiry | Bearing Designation | Shaft Diameter(mm) | Weight(Kg) | Boundary Dimensions(mm) | Basic Load Rating(N) | Limiting Speed(rpm) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without IR | Weight | With IR | d | Fw | D | C | B | Dynamic | Static | Oil | ||||
| RNA6902 | 35.4 | - | - | 7.8 | - | 20 | 28 | - | 23 | 10800 | 12800 | 12000 | ||
| RNA4902 | 20.5 | - | - | 7.8 | - | 20 | 28 | - | 13 | 11000 | 12900 | 12000 | ||
| RNA6901 | 28.7 | - | - | 7.8 | - | 16 | 24 | - | 22 | 14000 | 18600 | 15500 | ||
| RNA4901 | 16.6 | - | - | 7.8 | - | 16 | 24 | - | 13 | 6400 | 8900 | 15500 | ||
| RNA152815 | 31.7 | - | - | 7.8 | - | 15 | 28 | - | 15 | 13600 | 17200 | 24000 | ||
| RNA6900 | 29.1 | - | - | 7.8 | - | 14 | 22 | - | 22 | 12800 | 15600 | 25000 | ||
| RNA4900 | 24.4 | - | - | 7.8 | - | 14 | 22 | - | 13 | 8500 | 9000 | 25000 | ||
| RNA8X15X10TN | - | - | - | 7.8 | - | 8 | 15 | - | 10 | - | - | - | ||
| RNA496 | - | - | - | 7.8 | - | 8 | 15 | - | 10 | - | - | - | ||
| RNA8X14X8 | - | - | - | 7.8 | - | 8 | 14 | - | 8 | - | - | - | ||
| RNA8X19X9 | - | - | - | 7.8 | - | 8 | 19 | - | 9 | - | - | - | ||
| RNA7.8169 | - | - | - | 7.8 | - | 7.8 | 16 | - | 9 | - | - | - | ||
Needle roller bearing is a special type roller bearing which uses long, thin cylindrical rollers resembling needles. Compared to ball bearings and ordinary roller bearings, needle bearings have a greater surface area in contact with the races, so they can support a great load. They are widely used in automobile components such as rocker arm pivots, pumps, compressors and transmissions.
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