Ball and Roller Bearings - Ntn-snr.com

Four-Row Cylindrical Roller Bearings
C1
C1
r
r1
r
r1
B1
B1
D
d
FW
D
d FW
d 480690mm
Drawing 1 Drawing 2
Boundary dimensions
Basic load ratings
dynamic static dynamic static
mm kN kgf
1
1
d D B 1 C 1 r s min r 1s min C r C or C r C or
480
500
510
520
530
550
560
570
600
610
650
660
690
650 420 420 5 5 5,950 18,100 605,000 1,840,000
650 450 450 9.5X20 5 7,100 21,600 720,000 2,200,000
680 500 500 6 6 7,950 24,000 810,000 2,450,000
680 420 405 5 5 7,100 22,900 725,000 2,340,000
690 470 470 5 5 7,650 22,500 780,000 2,290,000
690 510 510 5 5 7,750 24,600 790,000 2,500,000
700 515 515 5 5 7,900 24,100 805,000 2,450,000
710 480 480 6 6 8,650 24,700 880,000 2,520,000
720 530 530 5 5 8,250 25,000 840,000 2,550,000
670 320 320 5 5 4,550 13,500 465,000 1,380,000
700 540 540 6 6 8,300 25,000 845,000 2,550,000
700 540 540 6 6 8,200 25,500 835,000 2,600,000
735 535 535 5 5 9,000 26,600 915,000 2,710,000
700 540 540 6 6 7,850 25,400 800,000 2,590,000
760 520 520 6 6 9,150 26,700 935,000 2,730,000
780 570 570 6 6 10,300 29,100 1,050,000 2,970,000
800 520 520 6 6 9,450 27,000 965,000 2,750,000
680 360 360 3 3 4,650 16,500 475,000 1,680,000
815 594 594 6 6 11,800 34,500 1,200,000 3,500,000
820 575 575 12X20 6 10,000 31,500 1,020,000 3,200,000
870 540 540 7.5 7.5 10,600 29,600 1,090,000 3,000,000
870 640 640 7.5 7.5 13,600 40,500 1,390,000 4,150,000
870 660 660 9.5 7.5 12,600 40,000 1,280,000 4,100,000
920 670 670 7.5 4 14,600 46,000 1,490,000 4,700,000
920 690 690 7.5 7.5 14,300 46,500 1,460,000 4,750,000
820 440 440 5 4 7,300 27,800 745,000 2,840,000
980 715 715 7.5 7.5 16,800 54,500 1,720,000 5,550,000
1 Minimal allowable dimension for chamfer dimension r or r1. 2 Oil inlet and oil groove are in center of the outer ring; no oil groove on the side.
3 Oil inlet in space of outer ring; no oil groove.
B-126