Page 214 - needle bearings

Needle roller bearings with angular contact ball bearings
NTN

Type NKIA59

d 15ʙ70mm

Boundary dimensions Basic load ratings Limiting
dynamic static dynamic static dynamic static dynamic static dimensions
mm N kgf N kgf r/min
Radial Axial grease oil
d D C F rs min 1) Cr Cor Cr Cor Ca Coa Ca Coa
15 28 18 20 0.3 9 500 13 400 970 1 370 2 340 3 050 239 310 13 000 20 000

17 30 18 22 0.3 10 100 14 900 1 030 1 520 2 530 3 550 258 360 12 000 18 000
20 37 23 25 0.3 16 500 22 100 1 680 2 250 4 700 6 150 480 625 11 000 16 000
22 39 23 28 0.3 17 500 24 800 1 790 2 530 4 900 6 750 500 690 9 500 14 000
25 42 23 30 0.3 17 400 25 000 1 770 2 550 5 100 7 350 520 750 8 500 13 000

30 47 23 35 0.3 19 400 30 500 1 980 3 100 5 400 8 550 550 870 7 500 11 000
35 55 27 42 0.6 25 700 46 000 2 630 4 700 7 400 12 300 755 1 260 6 500 9 500
40 62 30 48 0.6 31 000 61 000 3 150 6 250 7 750 14 000 790 1 430 5 500 8 500
45 68 30 55 0.6 33 000 69 500 3 350 7 100 8 500 17 100 870 1 740 5 000 7 500

50 72 30 60 0.6 33 500 73 500 3 450 7 500 8 800 18 700 900 1 910 4 300 6 500
55 80 34 63 1 44 500 95 500 4 500 9 700 14 300 33 000 1 460 3 350 4 300 6 500
60 85 34 68 1 45 500 101 000 4 600 10 300 14 800 36 000 1 510 3 650 4 000 6 000
65 90 34 75 1 46 000 106 000 4 700 10 800 15 200 39 000 1 550 4 000 3 700 5 500

70 100 40 80 1 62 500 146 000 6 350 14 900 18 600 47 500 1 890 4 850 3 300 5 000

Note 1) Allowable minimum chamfer dimension r or r1.
Remarks: This complex can support bi-directional axial load.
B-152