300 TECHNICAL INFORMATION Angular Contact Bearing (Assembled in the Motor Bracket) Cross Section Block Ball Screw Outline View Radial Load Reverse Radial Load Lateral Load Lateral Load FV FV FH FH Gothic Arc Groove 45° Enlarged Sectional View: Double Row Gothic Arch Grooves t 3BJM Equal basic load rating in all four directions: radial, reverse radial and lateral directions. For values, see "Load Rating". t #BMM 4DSFX Preload is applied to precision (ground) ball screw. Integrating structure of the block and ball screw nut allows axial loads to be applied. For Basic Load Rating in axial directions, see "Load Rating". t #FBSJOH 'JYFE 4JEF Angular contact bearings are integrated in the motor bracket, allowing loads in the axial direction to be applied. For Basic Load Rating in axial directions, see "Load Rating". The Rails employ Double Row Gothic Arch Grooves, and are compact and low-profile. Load Directions Total Mass (kg) Type Block Rail Length L (mm) 75 80 100 125 150 175 200 250 300 350(340)* 400(390)* 450(440)* 500(490)* 550(540)* 600(590)* LX15 Long 1 pc. 0.13 - 0.17 0.22 0.29 0.35 0.38 - - - - - - - - LX15C Long 1 pc. 0.18 - 0.22 0.28 0.35 0.41 0.45 - - - - - - - - LX20 Long 1 pc. / 2 pcs. - 0.40 0.45 - 0.58 - 0.71/0.79 0.83/0.92 0.96/1.05 - - - - - - LX20C Long 1 pc. / 2 pcs. - 0.51 0.56 - 0.69 - 0.81/0.97 0.94/1.10 1.07/1.23 - - - - - - LX26 Long 1 pc. / 2 pcs. - - 0.87 - 0.95 - 1.16 1.37/1.57 1.58/1.78 1.79/1.99 2.00/2.20 - - - - LX26C Long 1 pc. / 2 pcs. - - 1.07 - 1.15 - 1.36 1.57/1.89 1.78/2.10 1.99/2.31 2.20/2.52 - - - - LX30 Long 1 pc. / 2 pcs. - - - 1.30 1.47 - 1.81 2.14 2.48/2.79 2.81/3.12 3.15/3.46 3.49/3.79 3.82/4.13 4.16/4.47 4.49/4.80 Short 1 pc. / 2 pcs. - - - 1.18 1.35/1.53 - 1.68/1.86 2.02/2.20 2.35/2.53 2.69/2.87 3.02/3.21 3.36/3.54 3.70/3.88 4.03/4.21 4.37/4.55 LX30C Long 1 pc. / 2 pcs. - - - 1.75 1.92 - 2.25 2.59 2.92/3.49 3.26/3.83 3.60/4.16 3.93/4.50 4.27/4.83 4.60/5.17 4.94/5.51 Short 1 pc. / 2 pcs. - - - 1.50 1.67/1.98 - 2.00/2.32 2.34/2.66 2.67/2.99 3.01/3.33 3.35/3.66 3.68/4.00 4.02/4.33 4.35/4.67 4.69/5.01 LX45 Long 1 pc. / 2 pcs. - - - - - - - - - 5.77/6.69 6.37/7.29 6.97/7.90 7.57/8.50 8.18/9.10 8.78/9.70 Short 1 pc. / 2 pcs. - - - - - - - - - 5.37/5.91 5.98/6.51 6.58/7.11 7.18/7.71 7.78/8.31 8.39/8.92 LX45C Long 1 pc. / 2 pcs. - - - - - - - - - 6.59/8.09 7.23/8.73 7.86/9.36 8.49/9.99 9.13/10.63 9.76/11.26 Short 1 pc. / 2 pcs. - - - - - - - - - 5.94/6.78 6.57/7.41 7.20/8.04 7.84/8.68 8.47/9.31 9.10/9.94 * ( ) is the length of LX45 rail. Additional Mass of Lubrication Unit MX-equipped Type Type Additional Mass (kg) LX15(C) 0.002 LX20(C) 0.004 LX26(C) 0.007 LX30(C) 0.011 LX45(C) 0.024 (10-4kg t cm2) Type Lead Cover or No Cover (c) Block Rail Length L (mm) 75 80 100 125 150 175 200 250 300 350(340)* 400(390)* 450(440)* 500(490)* 550(540)* 600(590)* LX15 02/02C Long 1 pc. 23/23 - 24/24 25/25 26/26 27/27 28/28 - - - - - - - - LX20 01/01C Long 1 pc. - 47/47 49/49 - 53/53 - 58/58 - - - - - - - - 01/01C Long 2 pcs. - - - - - - 58/58 - - - - - - - - 05/05C Long 1 pc. - - 54/59 - 59/63 - 63/68 68/73 73/77 - - - - - - 05/05C Long 2 pcs. - - - - - - 69/78 74/83 78/88 - - - - - - LX26 02/02C Long 1 pc. - - 140/141 - 155/156 - 169/170 184/185 198/199 - - - - - - 02/02C Long 2 pcs. - - - - - - - 186/188 200/202 - - - - - - 05/05C Long 1 pc. - - - - 166/173 - 180/188 194/202 209/216 223/231 238/245 - - - - 05/05C Long 2 pcs. - - - - - - - 207/222 222/237 236/251 251/266 - - - - 10/10C Long 1 pc. - - - - 204/234 - 219/249 233/263 248/278 262/292 277/307 - - - - LX30 05/05C Long 1 pc. - - - 436/452 454/471 - 491/507 528/544 565/581 602/618 638/655 675/692 712/729 749/765 786/802 05/05C Long 2 pcs. - - - - - - - - 584/617 621/654 658/691 695/728 732/764 768/801 805/838 05/05C Short 1 pc. - - - 428/436 446/455 - 483/492 520/528 557/565 594/602 630/639 667/676 704/713 741/750 778/787 05/05C Short 2 pcs. - - - - 474/475 - 494/512 531/548 568/585 605/622 642/659 679/696 716/733 753/770 789/807 10/10C Long 1 pc. - - - - 513/579 - 550/616 587/653 624/690 661/727 698/764 735/800 772/837 808/874 845/911 10/10C Long 2 pcs. - - - - - - - - 702/833 739/870 776/907 812/944 849/981 886/1018 923/1054 10/10C Short 1 pc. - - - - 482/516 - 518/553 555/590 592/626 629/663 666/700 703/737 740/774 777/811 813/848 10/10C Short 2 pcs. - - - - 591/596 - 564/633 601/670 638/707 675/743 712/780 749/817 785/854 822/891 859/928 LX45 10/10C Long 1 pc. - - - - - - - - - 2528/2674 2723/2869 2918/3064 3113/3259 3308/3454 3503/3649 10/10C Long 2 pcs. - - - - - - - - - 2762/3053 2957/3249 3152/3444 3347/3639 3543/3834 3738/4029 10/10C Short 1 pc. - - - - - - - - - 2429/2507 2624/2702 2820/2897 3015/3092 3210/3287 3405/3482 10/10C Short 2 pcs. - - - - - - - - - 2565/2720 2760/2915 2955/3110 3150/3305 3345/3500 3540/3695 20/20C Long 1 pc. - - - - - - - - - 3242/3825 3437/4020 3632/4215 3827/4410 4022/4605 4217/4800 20/20C Long 2 pcs. - - - - - - - - - 4179/5344 4374/5539 4569/5734 4764/5929 4959/6124 5154/6319 20/20C Short 1 pc. - - - - - - - - - 2847/3157 3042/3352 3237/3547 3432/3742 3627/3937 3823/4132 20/20C Short 2 pcs. - - - - - - - - - 3389/4008 3584/4203 3779/4399 3974/4594 4169/4789 4364/4984 * ( ) is the length of LX45 rail. Moment of Inertia Single Axis Actuators (LX) Total Mass / Moment of Inertia
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