Page 646 - Rollingbearings

7.4 Needle roller bearings with machined rings with langes, with an inner ring
d 95 – 320 mm

s
B
r 2
r 1
r 1
r 2

D d F

NKI NA 69
NA 48
NA 49

Principal dimensions Basic load ratings Fatigue Speed ratings Mass Designation
dynamic static load limit Reference Limiting
speed speed
d D B C C C 0 P u

mm kN kN r/min kg –

95 125 26 – 78,1 166 20,4 3 800 4 300 0,82 ▶ NKI 95/26
125 36 – 112 265 32,5 3 800 4 300 1,15 NKI 95/36
130 35 – 114 270 33,5 3 600 4 000 1,35 ▶ NA 4919

130 63 – 172 465 56 3 600 4 000 2,5 ▶ NA 6919

100 130 30 – 96,8 220 27 3 600 4 000 0,99 ▶ NKI 100/30
130 40 – 123 305 37,5 3 600 4 000 1,35 ▶ NKI 100/40
7.4 140 40 – 125 280 34 3 400 4 000 1,9 ▶ NA 4920

110 140 30 – 93,5 232 27 3 400 3 800 1,1 ▶ NA 4822
150 40 – 130 300 35,5 3 200 3 600 2,05 ▶ NA 4922

120 150 30 – 99 255 29 3 200 3 600 1,15 ▶ NA 4824
165 45 – 176 405 49 3 000 3 400 2,85 ▶ NA 4924

130 165 35 – 119 325 36,5 2 800 3 200 1,8 ▶ NA 4826
180 50 – 198 480 57 2 600 3 000 3,9 ▶ NA 4926

140 175 35 – 121 345 37,5 2 600 3 000 1,9 ▶ NA 4828
190 50 – 205 510 60 2 400 2 800 4,15 ▶ NA 4928

150 190 40 – 147 415 46,5 2 400 2 800 2,7 ▶ NA 4830

160 200 40 – 157 450 49 2 200 2 600 2,85 ▶ NA 4832

170 215 45 – 179 520 56 2 200 2 400 3,95 ▶ NA 4834

180 225 45 – 190 570 60 2 000 2 400 4,2 ▶ NA 4836

190 240 50 – 220 710 73,5 1 900 2 200 5,55 ▶ NA 4838

200 250 50 – 224 735 75 1 800 2 000 5,8 ▶ NA 4840

220 270 50 – 238 815 81,5 1 700 1 900 6,35 ▶ NA 4844

240 300 60 – 347 1 120 112 1 500 1 700 9,9 ▶ NA 4848

260 320 60 – 358 1 200 118 1 400 1 500 10,5 ▶ NA 4852

280 350 69 – 429 1 320 129 1 300 1 400 15,5 ▶ NA 4856

300 380 80 – 594 1 800 173 1 100 1 300 22 NA 4860

320 400 80 – 605 1 900 176 1 100 1 200 23 NA 4864

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