NTN - Large Bearings

Four Row Tapered Roller Bearings
Sa
Da
ra
r1a
da
Equivalent bearing load
dynamic
PrXFrYFa
Fa
Fr
e
Fa
e Fr
X Y X Y
1 Y1 0.67 Y2
static
PorFrYoFa
For values of e, Y2 and Yo
see the table below.
Bearing numbers Abutment and fillet dimensions Constant Axial load factors Mass
mm
kg
d a D a S a r as r las
min max max e Y 1 Y 2 Y o (approx.)
M283449D/M283410/M283410D 774 966 13 6.4 3.3 0.33 2.03 3.02 1.98 2,210
LM283649D/LM283610/LM283610DG2 786 936 10.5 6.4 3.3 0.33 2.03 3.02 1.98 1,250
M284148D/M284111/M284110DG2 840 985 3.5 12.7 4.3 0.33 2.03 3.02 1.98 2,220
M284249D/M284210/M284210DG2 810 1,005 13 12.7 4.8 0.33 2.03 3.02 1.98 2,480
CRO-16001 858 1,052 10 6 6 0.33 2.03 3.02 1.98 3,960
M285848D/M285810/M285810DG2 879 1,085 13 12.7 4.8 0.33 2.03 3.02 1.98 3,010
CRO-16803 897 1,099 12 5 5 0.33 2.03 3.02 1.98 3,970
LM286249D/LM286210/LM286210DG2 906 1,065 11 12.7 4.8 0.33 2.03 3.02 1.98 1,950
EE547341D/547480/547481DG2 (CRO-17301) 918 1,135 6.5 12.7 4.8 0.33 2.03 3.02 1.98 3,640
LM287649D/LM287610/LM287610DG2 990 1,190 10 12.7 4.8 0.33 2.03 3.02 1.98 4,100
CRO-19001 1,030 1,278 12 6 3 0.35 1.95 2.90 1.91 4,100
LM288949D/LM288910/LM288910DG2 1,260 1,500 13 12.7 4.8 0.33 2.03 3.02 1.98 6,130
Remarks: 1. Bearing numbers marked "" designate inch system bearings. 2. Bearing numbers marked "" designate bearing with hollow rollers and pin type cages.
3.
B-199