U.S. TSUBAKI POWER-LOCK ®
AS Inch Series SPECIFICATIONS Minimum Hub Diameter (D N ) When Using One POWER-LOCK ®
Suggested hub outside diameter for two or more POWER-LOCK. This table shows minimum hub diameters D N , which can tolerate surface pressure P ’ . b n • L 1 n: number of POWER-LOCK B n • L 1 +L 1 (2 n 4) The value, d/2 or more, is to be suggested as the guide length c. <EXAMPLE> Hub Material 1030. Yield Point = 50,000 psi PL2 to be used. Min. Hub Dia. (D N in inches)
Min. D N = 4.575 ” required.
Yield Point of Various Hub Material Y.P. (psi) Y.P. = σ 0.2
32,000
35,000
40,000
45,000
50,000
56,000
1030
1015
1040, 1045, 1137,1141, 1144
1018, 1020, 1117 Class No. 60 Grade No. 40010
1118
Contact Pressure in the Hub Bore P ’ lbs./inch 2
Class No. 40 Grade No. 60-30
Grade No. 50005 Grade No. 80-65
Class No. 50 Grade No. 65-35
Model Number
Grade No. 60004
Grade No. 45006
2.475 2.475 2.790 2.965 2.965 3.410 3.415 3.710 3.710 4.510 4.510 4.510 4.670 4.670 5.315 5.315 5.455 5.455 5.440 5.850 5.850 5.845 6.975 6.975 6.975 7.110 7.110 7.275 7.755 7.910 7.910 8.400 8.960 9.065
2.550 2.550 2.895 3.060 3.060 3.545 3.545 3.855 3.855 4.720 4.720 4.720 4.865 4.865 5.595 5.595 5.715 5.715 5.695 6.140 6.140 6.135 7.355 7.355 7.355 7.470 7.470 7.620 8.155 8.290 8.290 8.835 9.415 9.510
2.385 2.385 2.665 2.840 2.840 3.245 3.250 3.530 3.530 4.255 4.255 4.255 4.425 4.425 4.985 4.985 5.140 5.140 5.125 5.495 5.495 5.495 6.525 6.525 6.525 6.680 6.680 6.855 7.280 7.450 7.450 7.880 8.420 8.530 9.425 9.425
2.315 2.315 2.575 2.755 2.755 3.130 3.130 3.400 3.400 4.075 4.075 4.075 4.250 4.250 4.750 4.750 4.915 4.915 4.900 5.250 5.250 5.245 6.210 6.210 6.210 6.375 6.375 6.555 6.945 7.120 7.120 7.510 8.035 8.155 9.015 9.015 9.750 9.750
2.265 2.265 2.505 2.685 2.685 3.040 3.040 3.300 3.300 3.940 3.940 3.940 4.120 4.120 4.575 4.575 4.750 4.750 4.735 5.065 5.065 5.060 5.975 5.975 5.975 6.145 6.145 6.330 6.695 6.875 6.875 7.240 7.745 7.870 8.705 8.705 9.425 9.425 9.990
2.215 2.215 2.435 2.620 2.620 2.955 2.960 3.210 3.210 3.815 3.815 3.815 4.000 4.000 4.415 4.415 4.595 4.595 4.580 4.895 4.895 5.890 5.760 5.760 5.760 5.935 5.935 6.125 6.465 6.650 6.650 6.990 7.485 7.610 8.425 8.425 9.130 9.130 9.675
PL PL
12,370 12,370 14,650 13,370 13,370 15,360 15,360 15,500 15,500 17,490 17,490 17,490 16,305 16,305 18,910 18,910 17,780 17,780 17,780 18,340 18,340 18,340 19,340 19,340 19,340 18,490 18,490 17,780 18,630 17,920 17,920 18,770 18,490 18,060 17,780 17,780 17,350 17,350 17,490 18,770 17,210 17,490 16,210 16,350 15,930 16,640 15,930 17,210 18,770 18,060 16,500 17,060
³₄ ⁷⁄₈
PL1 PL1 PL1 PL1 PL1 PL1 PL1 PL1 PL1 PL1 PL1 PL1 PL2 PL2 PL2 PL2 PL2 PL2 PL2 PL2 PL2 PL2 PL2 PL2 PL2 PL3 PL3 PL3 PL3 PL3 PL3 PL4 PL4 PL4 PL4 PL5 PL5 PL6 PL6 PL7 PL7 PL7 PL8 PL8 PL9 PL9
¹⁄₈ ³⁄₁₆ ¹⁄₄ ³⁄₈ ⁷⁄₁₆
¹⁄₂ ⁵⁄₈ ¹¹⁄₁₆ ³⁄₄ ⁷⁄₈ ¹⁵⁄₁₆
¹⁄₈ ³⁄₁₆
¹⁄₄ ³⁄₈ ⁷⁄₁₆ ¹⁄₂ ⁹⁄₁₆ ⁵⁄₈ ¹¹⁄₁₆ ³⁄₄ ⁷⁄₈ ¹⁵⁄₁₆
³⁄₈ ⁷⁄₁₆
¹⁄₂ ³⁄₄ ¹⁵⁄₁₆ ⁷⁄₁₆ ¹⁄₂ ¹⁵⁄₁₆
10.000 10.000 10.785 10.785 11.445 13.085 13.425 14.130 14.495 15.160 15.385 16.750 17.095 18.420 20.245 20.660 20.820 22.280
10.480 10.480 11.280 11.280 11.975 13.760 14.035 14.790 15.100 15.800 16.015 17.475 17.790 19.260 21.290 21.670 21.710 23.285
10.180 10.180 10.795 12.270 12.685 13.335 13.755 14.375 14.615 15.860 16.235 17.405 18.990 19.445 19.725 21.065
10.335 11.700 12.155 12.765 13.215 13.810 14.055 15.225 15.615 16.675 18.105 18.580 18.940 20.195
¹⁄₂
11.275 11.755 12.335 12.810 13.380 13.635 14.740 15.145 16.125 17.445 17.935 18.350 19.535
10.885 11.390 11.945 12.440 12.985 13.245 14.300 14.715 15.625 16.845 17.345 17.805 18.935
¹⁄₂
¹⁄₂ ⁷⁄₈
¹⁄₂
¹⁄₂
PL10 PL10 PL11 PL11
¹⁄₂
¹³⁄₁₆
D-23 Note: Min. Hub Dia. (D N ) calculated based upon the Formula (3) at (K3) = 0.6. Refer to page D-29.
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