Ball and Roller Bearings - Ntn-snr.com

Spherical Roller Bearings
ra
Da
ra
da
Equivalent bearing load
dynamic
PrXFrYFa
Fa
Fr
e
Fa
e Fr
X Y X Y
1 Y1 0.67 Y2
static
PorFrYo Fa
For values of eY1Y2 and Yo
see the table below.
Abutment and Constant Axial load factors Mass approx.
fillet dimensions
mm
kg
d a D a r as cylindrical tapered
min max max e Y 1 Y 2 Y o bore bore
1,156 1,424 6 0.15 4.42 6.58 4.32 1,140 1,100
1,164 1,536 8 0.21 3.29 4.80 3.21 2,160 2,090
1,164 1,536 8 0.27 2.50 3.72 2.44 2,890 2,840
1,216 1,504 6 0.15 4.40 6.55 4.30 1,390 1,340
1,286 1,594 6 0.15 4.42 6.58 4.32 1,600 1,550
1,356 1,684 6 0.16 4.34 6.46 4.24 1,900 1,840
1,444 1,776 8 0.15 4.39 6.54 4.29 2,230 2,160
Note: Please refer to page B-230 for outer ring oil inlet and oil groove dimensions.
B-251