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 7001 200mm
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
700
710
725
750
760
800
820
840
850
860
900
920
1000
1030
1200
930 620 620 15X20 6 12,900 43,000 1,320,000 4,400,000
1,000 715 715 9.5 6 16,800 54,500 1,710,000 5,550,000
1,000 700 700 6 6 15,900 53,500 1,620,000 5,450,000
1,050 745 720 7.5 7.5 17,600 58,000 1,790,000 5,900,000
1,090 745 720 7.5 7.5 19,100 60,500 1,950,000 6,150,000
1,030 750 750 7.5 7.5 17,300 59,500 1,760,000 6,050,000
1,080 805 790 6 6 18,700 61,000 1,900,000 6,250,000
1,100 745 720 7.5 7.5 19,100 60,500 1,950,000 6,150,000
1,080 700 700 7.5 7.5 16,500 55,000 1,680,000 5,600,000
1,080 750 750 6 6 17,300 59,000 1,760,000 6,000,000
1,130 800 800 7.5 7.5 19,600 66,500 2,000,000 6,800,000
1,130 825 800 7.5 7.5 19,600 66,500 2,000,000 6,800,000
1,160 840 840 7.5 7.5 21,600 71,000 2,200,000 7,250,000
1,160 840 840 5 7.5 21,600 71,000 2,200,000 7,250,000
1,150 650 650 9.5 9.5 15,700 51,000 1,610,000 5,200,000
1,150 800 800 6 6 19,700 71,000 2,010,000 7,250,000
1,180 650 650 7.5 7.5 16,400 51,500 1,670,000 5,250,000
1,180 850 850 9.5 9.5 24,100 78,500 2,460,000 8,000,000
1,160 735 710 6 6 17,800 62,500 1,810,000 6,400,000
1,230 895 870 7.5 7.5 24,700 88,000 2,520,000 9,000,000
1,280 865 850 7.5 7.5 26,200 88,500 2,670,000 9,000,000
1,310 880 880 9.5 9.5 23,400 88,500 2,380,000 9,000,000
1,360 800 800 7.5 7.5 25,000 85,000 2,550,000 8,650,000
1,380 850 850 7.5 7.5 24,400 89,000 2,490,000 9,100,000
1,590 1,050 1,050 7.5 7.5 36,000 133,000 3,650,000 13,600,000
1 Minimal allowable dimension for chamfer dimension r or r1. 2 Inner ring is divided into four. 3 Oil mist nozzles are attached.
4 Oil inlet in space of outer ring; no oil groove.
B-128