Page 544 - Rollingbearings

6.1 Single row cylindrical roller bearings
d 240 – 300 mm

s
B
r 2
r 1
r 3 r 1 r 3
r 4 r 2 r 4

D D 1 d F d 1 d 1

NU NJ NUP

Principal dimensions Basic load ratings Fatigue Speed ratings Mass Designations
dynamic static load limit Reference Limiting Bearing with Alternative
speed speed standard cage standard cage 1)
d D B C C 0 P u

mm kN kN r/min kg –

240 360 56 523 800 78 2 000 3 000 19,5 ▶ NU 1048 ML M
440 72 952 1 370 129 1 600 2 200 51,5 ▶ NU 248 MA –
6.1 440 72 952 1 370 129 1 600 2 200 53 ▶ NJ 248 MA –

440 72 952 1 370 129 1 600 2 200 53 NUP 248 MA –
440 120 1 450 2 360 216 1 500 2 200 84 ▶ NU 2248 MA –
440 120 1 450 2 360 224 1 500 2 200 86 ▶ NJ 2248 MA –

500 95 1 450 2 000 180 1 300 2 000 94,5 NU 348 MA –
500 95 1 450 2 000 180 1 300 2 000 98,5 NJ 348 MA –
500 155 2 750 4 000 345 1 200 2 400 137 ▶ NU 2348 ECML –

260 400 65 627 965 96,5 1 800 2 800 29,5 ▶ NU 1052 ML M
400 65 627 965 96,5 1 800 2 800 30 NJ 1052 ML M
480 80 1 170 1 700 150 1 400 2 000 68,5 ▶ NU 252 MA –

480 80 1 170 1 700 150 1 400 2 000 69 ▶ NJ 252 MA –
480 80 1 170 1 700 150 1 400 2 000 72 NUP 252 MA –
480 130 1 790 3 000 265 1 300 2 000 112 NJ 2252 MA –

480 130 1 790 3 000 265 1 400 2 000 110 ▶ NU 2252 MA –
540 102 1 940 2 700 236 1 100 1 800 121 NU 352 ECMA –
540 165 3 140 4 550 400 1 100 1 900 196 NJ 2352 ECMA –

540 165 3 190 4 550 400 1 100 1 800 193 NU 2352 ECMA –

280 420 65 660 1 060 102 1 700 2 600 31 ▶ NU 1056 ML M
460 146 2 290 3 900 335 1 200 2 000 101 NU 3156 ECMA –
500 80 1 140 1 800 156 1 400 1 900 73 NJ 256 MA –

500 80 1 190 1 800 156 1 400 1 900 71,5 ▶ NU 256 MA –
500 130 2 330 3 750 320 1 200 2 200 115 ▶ NU 2256 ECML –
580 175 2 700 4 300 365 1 000 1 700 230 NU 2356 MA –

300 460 74 858 1 370 129 1 500 2 000 46 NJ 1060 MA –
460 74 858 1 370 129 1 500 2 000 46 ▶ NU 1060 MA –
460 95 1 510 2 600 245 1 300 2 000 62 NU 2060 ECMA –

540 85 1 420 2 120 183 1 300 1 400 89,5 ▶ NU 260 M –
540 140 2 090 3 450 300 1 200 1 800 145 NU 2260 MA –
620 109 2 330 3 350 280 950 1 200 174 NU 360 ECM –

620 185 4 020 5 850 480 950 1 600 270 NU 2360 ECMA –

▶ Popular item
1) When ordering bearings with an alternative standard cage the sufix of the standard cage has to be replaced by the sufix of the alternative cage
For example NU ECP becomes NU ECML (for permissible speed † page 511)
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