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NA 4900 Style Standard Needle Roller Bearings

 
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Needle Roller Bearings have a high load carrying capacity and can operate at high speeds. They have slim design and are suited where radial space is limited. They are available with or without an inner ring.

Needle roller bearings with inner rings are used if the shaft cannot be used as a raceway.



   
  Results 1 - 25 of 39 Unit of Measure: Metric 1 2 

Item #

(d) Bore Diameter

(D) Outside Diameter

(B) Width

(C) Dynamic Load

(Co) Static Load

Weight
NA4900 10 mm 22 mm 13 mm 8800 N 10400 N 0.02 g
NA4900 2RS 10 mm 22 mm 13 mm 7370 N 8150 N 0.03 g
NA4901 12 mm 24 mm 13 mm 9900 N 12200 N 0.03 g
NA4901 2RS 12 mm 24 mm 13 mm 8090 N 9650 N 0.03 g
NA4902 15 mm 28 mm 13 mm 11200 N 15300 N 0.03 g
NA4902 2RS 15 mm 28 mm 13 mm 9130 N 12000 N 0.04 g
NA4903 17 mm 30 mm 13 mm 11400 N 16300 N 0.04 g
NA4903 2RS 17 mm 30 mm 13 mm 9520 N 12900 N 0.04 g
NA4904 20 mm 37 mm 17 mm 21600 N 28000 N 0.08 g
NA4904 2RS 20 mm 37 mm 17 mm 19400 N 22400 N 0.08 g
NA49/22 22.000 mm 39 mm 17 mm 23300 N 32000 N 0.08 g
NA4905 25 mm 42.000 mm 17 mm 24200 N 34500 N 0.09 g
NA4905 2RS 25 mm 42.000 mm 17 mm 21600 N 27500 N 0.09 g
NA49/28 28.000 mm 45 mm 17 mm 25100 N 36500 N 0.10 g
NA4906 30 mm 47 mm 17 mm 25500 N 39000 N 0.10 g
NA4906 2RS 30 mm 47 mm 17 mm 23300 N 32000 N 0.11 g
NA49/32 32.000 mm 52.000 mm 20 mm 30800 N 51000 N 0.16 g
NA4907 35 mm 55.000 mm 20 mm 31900 N 54000 N 0.17 g
NA4907 2RS 35 mm 55.000 mm 20 mm 27000 N 43000 N 0.18 g
NA4908 40 mm 62 mm 22 mm 42900 N 71000 N 0.23 g
NA4908 2RS 40 mm 62 mm 22 mm 36900 N 58500 N 0.25 g
NA4909 45 mm 68.000 mm 22 mm 45700 N 78000 N 0.27 g
NA4909 2RS 45 mm 68.000 mm 22 mm 39100 N 64000 N 0.29 g
NA4910 50 mm 72 mm 22 mm 47300 N 85000 N 0.27 g
NA4910 2RS 50 mm 72 mm 22 mm 40200 N 69500 N 0.30 g
  Results 1 - 25 of 39 1 2