Needle Roller Bearings without Inner Ring RNA49...2RS系列 |
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轴径 | RNA49..RS | RNA49..2RS | 重量 | 尺寸 | 基本额定载荷 | 极限转速 | ||||
Shaft | 单面密封型号 | 双面密封型号 | Mass | Dimensions | Basic Load Ratings | Limiting | ||||
Diameter | Designation | Designation | Fw | D | C | r | 动 Cr | 静 Cor | Speed | |
with Sealed | with Sealed | Dynamic | Static | |||||||
mm | on one side | on both sides | g | min. | kN | kN | rpm | |||
14 | RNA 4900.RS | RNA 4900.2RS | 16 | 14 | 22 | 13 | 0.3 | 8.0 | 8.4 | 13000 |
16 | RNA 4901.RS | RNA 4901.2RS | 17 | 16 | 24 | 13 | 0.3 | 8.4 | 9.2 | 12000 |
20 | RNA 4902.RS | RNA 4902.2RS | 21 | 20 | 28 | 13 | 0.3 | 10.0 | 12.4 | 10000 |
22 | RNA 4903.RS | RNA 4903.2RS | 22 | 22 | 30 | 13 | 0.3 | 10.8 | 14.0 | 9000 |
25 | RNA 4904.RS | RNA 4904.2RS | 52 | 25 | 37 | 17 | 0.3 | 15.7 | 18.7 | 7500 |
30 | RNA 4905.RS | RNA 4905.2RS | 61 | 30 | 42 | 17 | 0.3 | 19.0 | 23.2 | 6500 |
35 | RNA 4906.RS | RNA 4906.2RS | 69 | 35 | 47 | 17 | 0.3 | 20.3 | 26.4 | 5500 |
42 | RNA 4907.RS | RNA 4907.2RS | 107 | 42 | 55 | 20 | 0.6 | 26.8 | 39.8 | 4800 |
48 | RNA 4908.RS | RNA 4908.2RS | 140 | 48 | 62 | 22 | 0.6 | 35.5 | 54.9 | 4200 |
52 | RNA 4909.RS | RNA 4909.2RS | 182 | 52 | 68 | 22 | 0.6 | 39.9 | 60.9 | 3900 |
58 | RNA 4910.RS | RNA 4910.2RS | 163 | 58 | 72 | 22 | 0.6 | 40.1 | 68.4 | 3500 |
68 | RNA 4912.RS | RNA 4912.2RS | 202 | 68 | 85 | 25 | 1.0 | 55.6 | 95.5 | 2800 |
说明: | |||||||||||
1.表中所列基本额定载荷、极限转速和重量,仅供选择参考用。 | |||||||||||
2.油润滑时,极限转速为表列数值30%。 | |||||||||||
Note: | |||||||||||
1.These load, speed and mass is reference of choice only. | |||||||||||
2.With an effective oil supply, the limiting speed can be increased by about 30%. |