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IKO NATA 5909,NATB 5909 COMBINED TYPE NEEDLE ROLLER BEARINGS

IKO NATA 5909,NATB 5909 COMBINED TYPE NEEDLE ROLLER BEARINGS

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IKO NATA 5909,NATB 5909 Description

 

Shaft dia.

 

mm

 Identification number Boundary dimensions mm
Angular contact type Mass

(Ref.) g

 Three-point contact type Mass

(Ref.) g

 d D C B rs min(1) Fw
15 NATA 5902 50.5 NATB 5902 53 15 28 18 20 0.3 20
17 NATA 5903 55.5 NATB 5903 58.5 17 30 18 20 0.3 22
20 NATA 5904 111 NATB 5904 115 20 37 23 25 0.3 25
25 NATA 5905 131 NATB 5905 136 25 42 23 25 0.3 30
30 NATA 5906 151 NATB 5906 157 30 47 23 25 0.3 35
35 NATA 5907 250 NATB 5907 260 35 55 27 30 0.6 42
40 NATA 5908 355 NATB 5908 375 40 62 30 34 0.6 48
45 NATA 5909 410 NATB 5909 435 45 68 30 34 0.6 55
50 NATA 5910 420 NATB 5910 445 50 72 30 34 0.6 58
55 NATA 5911 585 NATB 5911 615 55 80 34 38 1 63
60 NATA 5912 625 NATB 5912 660 60 85 34 38 1 68
65 NATA 5913 665 NATB 5913 710 65 90 34 38 1 75
70 NATA 5914 1 070 NATB 5914 1 130 70 100 40 45 1 80
Standard mounting dimensions mm Basic dynamic load rating

C

 Basic static load rating

C0

 Allowable rotational

speed(2)
da Da Radial Axial Radial Axial
Min. Max. N N N N min-1
17 26 7 710 1 900 10 200 2 920 20 000
19 28 8 220 2 050 11 500 3 340 18 000
22 35 14 300 3 810 18 400 6 110 16 000
27 40 15 800 4 300 22 100 7 520 13 000
32 45 17 700 4 550 26 800 8 460 11 000
39 51 24 000 4 890 42 100 9 870 9 500
44 58 30 600 5 350 60 400 11 800 8 500
49 64 32 600 5 450 68 500 12 700 7 000
54 68 33 600 5 660 72 500 13 600 7 000
60 75 39 500 10 400 74 400 24 700 6 500
65 80 41 800 10 700 82 200 26 700 6 000
70 85 43 800 11 000 90 200 28 700 5 500
75 95 56 400 13 500 127 000 35 000 5 000

IKO NATA 5909,NATB 5909 COMBINED TYPE NEEDLE ROLLER BEARINGS

IKO NATA 5909,NATB 5909 Nots

Notes(1)　　 Minimum allowable value of chamfer dimension r or r1
(2)　　 Allowable rotational speed applies to oil lubrication. For grease lubrication, a maximum of 70% of this value is allowable in the
NAXI series, and a maximum of 25% of this value is allowable in the NBXI series.
Remarks1.　The outer ring has an oil groove and an oil hole.
2.　 No grease is prepacked. Perform proper lubrication.

 

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