NTN - Large Bearings
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4-Row Cylindrical Roller <strong>Bearings</strong><br />
C1<br />
r1<br />
r<br />
B1<br />
D<br />
d<br />
FW<br />
d 230300mm<br />
Boundary dimensions Basic load ratings Bearing Drawing 1<br />
dynamic static dynamic static numbers No.<br />
mm kN kgf<br />
d D B 1 C 1 r s min<br />
2<br />
r ls min<br />
2<br />
C r C or C r C or<br />
230<br />
240<br />
250<br />
260<br />
265<br />
270<br />
280<br />
290<br />
340 260 260 3 3 2,050 5,100 209,000 520,000 4R4611 A<br />
330 220 220 3 3 1,490 4,150 152,000 420,000 4R4811 C<br />
330 220 220 3 3 1,610 4,250 164,000 435,000 4R4819 A<br />
330 220 220 3 3 1,490 4,150 152,000 420,000 4R4821 C<br />
330 220 220 3 3 1,520 4,250 155,000 435,000 4R4804 A<br />
340 220 220 3 3 1,670 4,200 170,000 425,000 4R4806 A<br />
360 220 220 2.5 2.5 1,760 4,050 179,000 415,000 4R4807 A<br />
360 220 220 2.5 2.5 1,760 4,050 179,000 415,000 4R4813 A<br />
350 220 220 3 3 1,730 4,300 176,000 440,000 4R5008 A<br />
360 220 200 2.5 2.5 1,540 4,150 157,000 426,000 4R5221 D<br />
360 260 260 2.5 2.1 1,830 4,850 187,000 495,000 4R5231 C 1<br />
370 220 220 3 3 1,760 4,450 179,000 455,000 4R5208 A<br />
370 220 220 3 3 1,760 4,450 179,000 455,000 4R5217 A 1<br />
380 280 280 3 3 2,420 6,250 247,000 635,000 4R5213 A<br />
400 290 290 4 2 3,050 7,150 315,000 730,000 4R5218 E 4<br />
370 234 234 1.5 1.5 2,020 5,000 206,000 510,000 4R5306 A 1<br />
380 280 280 2.5 2.5 2,260 5,750 231,000 585,000 4R5407 A<br />
380 280 280 2.5 2.5 2,580 6,850 263,000 700,000 4R5405 F 4<br />
350 208 208 2.5 2.5 1,290 3,950 132,000 405,000 4R5614 A<br />
390 220 220 3 3 1,780 4,650 181,000 475,000 4R5611 A<br />
390 220 220 3 3 1,820 4,800 186,000 490,000 4R5604 A<br />
390 275 275 2.5 2.5 2,290 6,250 233,000 635,000 4R5612 D 3<br />
420 280 280 4 4 2,430 6,150 248,000 630,000 4R5605 A<br />
410 240 240 3 3 2,240 5,550 228,000 565,000 4R5806 A<br />
420 300 300 3 3 2,830 7,500 288,000 765,000 4R5805 A<br />
300<br />
400 300 300 3 3 2,480 7,500 253,000 765,000 4R6014 A<br />
420 240 240 3 3 2,020 5,450 206,000 555,000 4R6017 A 1<br />
420 240 240 3 3 2,020 5,450 206,000 555,000 4R6012 A<br />
420 240 240 3 3 2,010 5,450 205,000 555,000 4R6023 A 1<br />
420 240 240 3 3 2,280 5,750 233,000 585,000 4R6027 A<br />
420 300 300 3 3 2,990 8,150 305,000 835,000 4R6030 F 1<br />
1 Drawing details are shown in Page B-38.<br />
2 Minimal allowable dimension for chamfer dimension r or r1.<br />
B-68
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