无内圈滚针轴承

Needle Roller Bearings without Inner Ring

RNA49...2RS系列

                                           
 
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%.