NORD Drivesystems B1000 - Manual (Page 57)

www.nord.com A55 G1000 – Subject to Change Without Notice
INTRODUCTION
Helical-Bevel Overhung Load
Calculation Tables
Calculation Table for OHL at Output Shaft for Bevel Units
Gearbox
Type y z c c f U V T
2max
Standard
Bearings
VL
Bearings
[in] [in] [lb-in] [lb-in] [in] [in] [in] [lb-in]
SK 92072 3.74 4.53 531 – 0 0.750 1.50 797
SK 92172 4.37 5.16 443 – 0 0.750 1.50 1,062
SK 92372 5.04 6.02 708 – 0 1.000 2.13 2,036
SK 92672 5.35 6.54 1,062 – 0 1.000 2.75 3,363
SK 92772 6.02 7.32 1,416 – 0 1.375 3.00 5,841
SK 9012.1
4.37 5.55 1,239 2,124 0 1.250 2.36 3,540
SK 9013.1
SK 9016.1
4.37 5.75 2,213 3,629 0 1.250 2.76 5,399
SK 9017.1
SK 9022.1
5.67 7.05 1,505 2,655 0 1.375 2.76 7,611
SK 9023.1
SK 9032.1
6.75 8.52 2,567 5,133 0 1.750 3.54 13,718
SK 9033.1
SK 9042.1
7.13 9.49 10,797 17,162 0 2.375 4.72 24,780
SK 9043.1
SK 9052.1
9.33 12.09 15,488 27,258 0 2.875 5.51 42,480
SK 9053.1
SK 9072.1 11.06 14.41 39,737 62,393 0 3.625 6.69 75,225
SK 9082.1 12.86 17.00 73,986 113,457 0 4.375 8.27 115,050
SK 9086.1 16.61 20.75 84,606 138,060 0 4.750 8.27 177,000
SK 9092.1 20.28 25.20 127,440 217,799 0 5.500 9.84 283,200
SK 9096.1 21.65 27.95 431,239 – 0 5.500 12.60 442,500
R
R
CAUTION
When gear units are fl ange mounted opposite shaft, their OHL capacity is greatly
reduced compared to the standard catalog ratings. Please consult NORD for
details on OHL ratings.
F
OHL
= Calculated OHL on gearbox shaft [lb]
T = Load torque on shaft [lb-in]
d
0
= Pitch diameter of overhung component [in]
f
z
= Power transmission component factor
F
OHL
=
2 x T x f
z
After calculating F
OHL
compare to the
overhung load capacity found in the tables.
F
OHL
≤ F
R
or F
R1
If F
OHL
exceeds the rated capacity (F
R
or F
R1
) of the
speed reducer then either heavy-duty bearings
or a larger gearbox must be selected.
d
o