Tsubaki: The solution for shaft locking devices
EL Series LOCKING ELEMENT STYLE
Shaft Diameter (d) and Hub Tap Diameter (D) Tolerances
Shaft Diameter （d）
Shaft Diameter Tolerance （d）
Hub Bore Tolerance （D）
φ10〜φ38 φ40〜φ150
h6 h8
H7 H8
• Refer to Pressure System Designs for d1 and D1 measurements. • Determine the length of a guide portion based on the required centering accuracy. (d/2 or above is most commonly used.)
Notes) 1. Tightening torque or Ma values shown in the table below are based on 10.9 strength bolts. Use 10.9 or 12.9 strength bolts accordingly. 2. Use the following formula to calculate transmissible thrust, Pax.
2000×Mt
Mt：Transmissible Torque N･m d ：Shaft Diameter mm
Pax=
d
3. For pressure flange designs, refer to Technical Notes section.
EL Series POWER-LOCK ® Specifications
Locking Bolts
Transmissible Torque
Contact Pressure psi
Contact Pressure psi
Number of EL POWER-LOCKs
Model Number
Tightening Torque ft.lbs.
1
2
3
4
Shaft P 23351 22191 21321 20016 15229 23351 22481 21611 20451 16825 16245 16970 16099 14359 14359 18420 17695 17405 16390 15664 19435 18130 16099 15519 15084 18420 15809 14939 20451 19725 19725 19435 17985 17260 16535 20161 19290 17115 19290 17840 16390 15374 17840
Hub Bore P'
PCD Dia. 0.984 1.024 1.063 1.102 1.181 1.220 1.260 1.299 1.339 1.417 1.457 1.496 1.575 1.654 1.732 1.850 1.969 2.165 2.244 2.323 2.402 2.520 2.638 2.835 2.874 3.071 3.228 3.386 3.504 3.583 3.819 3.898 4.016 4.370 4.567 4.764 4.961 5.276 5.748 6.142 6.693 7.087 7.480
Thickness lf
Size
Qty.
ft.lbs.
ft.lbs.
ft.lbs.
ft.lbs.
PL010X013 E PL011X014 E PL012X015 E PL013X016 E PL014X018 E PL015X019 E PL016X020 E PL017X021 E PL018X022 E PL019X024 E PL020X025 E PL022X026 E PL024X028 E PL025X030 E PL028X032 E PL030X035 E PL032X036 E PL035X040 E PL036X042 E PL038X044 E PL040X045 E PL042X048 E PL045X052 E PL048X055 E PL050X057 E PL055X062 E PL056X064 E PL060X068 E PL063X071 E PL065X073 E PL070X079 E PL071X080 E PL075X084 E PL080X091 E PL085X096 E PL090X101 E PL095X106 E PL100X114 E PL110X124 E PL120X134 E PL130X148 E PL140X158 E PL150X168 E
3 3 3 3 4 6 6 6 6 6 6 6 6 6 6 8 8 6 6 6 6 6 8 8 8
M4 M4 M4 M4 M4 M4 M4 M4 M4 M4 M4 M4 M4 M4 M4 M4 M4 M5 M5 M5 M6 M6 M6 M6 M6 M6 M8 M8 M8 M8 M8 M8 M8
3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 6.0 6.0 6.0
8 9
13 15 17 19 24 42 46 49 53 48 51 64 73 70 89
15 18 20 22 28 50 54 59 63 56 61 77 88 84
17 19 22 24 30 54 59 64 68 61 67 83 94 91
17840 17405 17115 16390 11748 18275 17840 17550 16825 13199 12909 14359 13779 11893 12473 15809 15664 15229 14069 13489 17405 15954 13924 13489 13199 16390 13779 13199 18130 17695 17550 17405 16099 15084 14649 17985 17405 14939 17260 16099 14359 13634 15954
0.315 0.315 0.315 0.315 0.315 0.315 0.315 0.315 0.315 0.315 0.315 0.315 0.315 0.315 0.315 0.315 0.315 0.394 0.394 0.394 0.472 0.472 0.472 0.472 0.472 0.472 0.630 0.630 0.630 0.630 0.630 0.630 0.630 0.630 0.787 0.787 0.787 0.945 0.945 0.945 1.102 1.102 1.102
11 12 15 27 29 32 34 30 33 41 47 46 57 85 91
105 157 169 228 226 240 366 376 499 542 571 848 907 996
114 169 183 246 244 260 395 405 535 586 622 922 988
131 142 191 190 201 307 314 419 455 477 715 767 833
123 122 129 198 203 269 294 309 485 491 542 811 841
10 10 10 10 10 10 25 25 25 25 25 25 25 50 50 50 50 50 87 87
10
6 6 8 8
1,077 1,623 1,667 2,264 2,301 2,375 3,142 3,400 4,698 4,986 6,144 8,408 9,146
1,261 1,291 1,755 1,778 1,844 2,456 2,648 3,651 3,865 4,735 6,505 7,154 8,261
1,497 1,549 2,095 2,124 2,198 2,928 3,142 4,374 4,625 5,709 7,744 8,556
10 10 10
1,136 1,151 1,188 1,586 1,704 2,353 2,500 3,076 4,189 4,588 6,719 7,302 9,662
8 8
M10 M10 M10 M10 M10 M12 M12 M14 M14 M14
10 10 12 10 10 10 10 12
137 137 137
12,465 13,497 17,923
13,424 14,604 19,398
11,285 15,046
63
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