NTN - Large Bearings

Spherical Roller Bearings
B
r
r
D
d
d
Cylindrical bore
Tapered bore
taper 1:12
d 460600mm
Boundary dimensions Basic load ratings Bearing numbers Abutment and
dynamic static dynamic static fillet dimensions
mm kN kgf mm
d D B r s min
1
Cylindrical tapered 2 d a D a r as
C r C or C r C or bore bore min max max
460
480
490
500
530
545
560
830 296 7.5 7,750 14,500 790,000 1,470,000 23292B 23292BK 496 794 6
650 128 5 2,330 5,500 238,000 565,000 23996 23996K 502 628 4
660 200 3 3,550 8,350 360,000 850,000 2P9602 2P9602K 494 646 2.5
700 165 6 3,650 7,700 370,000 785,000 23096B 23096BK 508 672 5
700 218 6 4,650 10,500 475,000 1,070,000 24096B 24096BK30 508 672 5
790 248 7.5 6,200 12,300 635,000 1,260,000 23196B 23196BK 516 754 6
790 308 7.5 7,450 15,300 760,000 1,560,000 24196B 24196BK30 516 754 6
870 310 7.5 8,300 15,500 845,000 1,580,000 23296B 23296BK 516 834 6
650 130 5 2,270 5,450 232,000 555,000 2P9801 2P9801K 512 628 4
620 90 3 1,550 3,950 158,000 405,000 238/500 238/500K 514 606 2.5
670 128 5 2,370 5,600 242,000 570,000 239/500 239/500K 522 648 4
720 167 6 3,850 8,300 390,000 845,000 230/500B 230/500BK 528 692 5
720 218 6 4,750 10,900 485,000 1,110,000 240/500B 240/500BK30 528 692 5
830 264 7.5 6,950 13,700 705,000 1,400,000 231/500B 231/500BK 536 794 6
830 325 7.5 8,050 16,700 825,000 1,700,000 241/500B 241/500BK30 536 794 6
920 336 7.5 9,400 17,800 960,000 1,820,000 232/500B 232/500BK 536 884 6
710 136 5 2,640 6,450 269,000 655,000 239/530 239/530K 552 688 4
780 185 6 4,400 9,350 445,000 955,000 230/530B 230/530BK 558 752 5
780 250 6 5,600 12,700 570,000 1,290,000 240/530B 240/530BK30 558 752 5
870 272 7.5 7,000 14,200 715,000 1,450,000 231/530B 231/530BK 566 834 6
870 335 7.5 8,300 17,400 850,000 1,770,000 241/530B 241/530BK30 566 834 6
980 355 9.5 10,400 19,800 1,060,000 2,020,000 232/530B 232/530BK 574 936 8
755 230 4 4,550 10,800 460,000 1,100,000 2P10901 2P10901K 563 737 3
680 90 3 1,650 4,450 168,000 455,000 238/560 238/560K 574 666 2.5
750 140 5 2,830 6,700 288,000 680,000 239/560 239/560K 582 728 4
820 195 6 4,800 10,500 490,000 1,070,000 230/560B 230/560BK 588 792 5
820 258 6 6,100 14,100 620,000 1,440,000 240/560B 240/560BK30 588 792 5
920 280 7.5 7,650 15,500 780,000 1,580,000 231/560B 231/560BK 596 884 6
920 355 7.5 9,950 20,800 1,010,000 2,120,000 241/560B 241/560BK30 596 884 6
1,030 365 9.5 11,100 21,100 1,130,000 2,150,000 232/560B 232/560BK 604 986 8
600 800 150 5 3,150 7,800 325,000 795,000 239/600 239/600K 622 778 4
870 200 6 5,250 12,000 535,000 1,220,000 230/600B 230/600BK 628 842 5
1 Smallest allowable dimension for chamfer dimension r.
2 Bearings appended with "K" have a tapered bore ratio of 1:12; bearings appended with "K30" have a tapered bore ratio of 1:30.
B-218