Ball Screw Support Unit, Type LWBK Heavy Duty
The LWBK high load series fixed-side support units are appropriate for input shafts ranging from Φ17mm-Φ40mm. The LWBK units are both compact and easy to install, and capable of bearing a maximum axial load of 104000N.
Dimensions| Model | d | D | D1 | D2 | L | L1 | L2 | A | W | X | Y | Z | d1 | I | V | P | Q | Mass (kg) |
| LWBK17DF-E | 17 | 70 | 106 | 72 | 30 | 32 | 15 | 80 | 88 | 9 | 14 | 8.5 | 45 | 3 | 58 | M5 | 10 | 1.9 |
| LWBK20DF-E | 20 | 70 | 106 | 72 | 30 | 32 | 15 | 80 | 88 | 9 | 14 | 8.5 | 45 | 3 | 58 | M5 | 10 | 1.9 |
| LWBK25DF-E | 25 | 85 | 130 | 90 | 66 | 33 | 18 | 100 | 110 | 11 | 17.5 | 11 | 57 | 4 | 70 | M6 | 12 | 3.1 |
| LWBK25DFD-E | 81 | 48 | 3.4 | |||||||||||||||
| LWBK30DF-E | 30 | 85 | 130 | 90 | 66 | 33 | 18 | 100 | 110 | 11 | 17.5 | 11 | 57 | 4 | 70 | M6 | 12 | 3.0 |
| LWBK30DFD-E | 81 | 48 | 3.3 | |||||||||||||||
| LWBK35DF-E | 35 | 95 | 142 | 102 | 66 | 33 | 18 | 106 | 121 | 11 | 17.5 | 11 | 69 | 4 | 80 | M6 | 12 | 3.4 |
| LWBK35DFD-E | 81 | 48 | 4.3 | |||||||||||||||
| LWBK35DFF-E | 96 | 48 | 5.0 | |||||||||||||||
| LWBK40DF-E | 40 | 95 | 142 | 102 | 66 | 33 | 18 | 106 | 121 | 11 | 17.5 | 11 | 69 | 4 | 80 | M6 | 12 | 3.6 |
| LWBK40DFD-E | 81 | 48 | 4.2 | |||||||||||||||
| LWBK40DFF-E | 96 | 48 | 4.7 |
| Model | Basic dynamic load ratingCa(N) | Axial ultimate load (N) | Preloading load (N) | Axial stiffness (N/μm) | Maximum starting torque (N/cm) | Lock nut | Weight (kg) | Support unit shaft end size d | Support unit shaft end size L4 | Support unit shaft end size L5 | ||
| M | D3 | L3 | ||||||||||
| LWBK17DF-E | 21900 | 26600 | 2150 | 750 | 19 | M17×1 | 37 | 18 | 1.9 | 17 | 81 | 23 |
| LWBK20DF-E | 21900 | 26600 | 2150 | 750 | 19 | M20×1 | 40 | 18 | 1.9 | 20 | 81 | 23 |
| LWBK25DF-E | 28500 | 40500 | 3150 | 1000 | 29 | M25×1.5 | 45 | 20 | 3.1 | 25 | 89 | 26 |
| LWBK25DFD-E | 46500 | 81500 | 4300 | 1470 | 39 | M25×1.5 | 45 | 20 | 3.4 | 25 | 104 | 26 |
| LWBK30DF-E | 29200 | 43000 | 3350 | 1030 | 30 | M30×1.5 | 50 | 20 | 3.0 | 30 | 89 | 26 |
| LWBK30DFD-E | 47500 | 86000 | 4500 | 1520 | 40 | M30×1.5 | 50 | 20 | 3.3 | 30 | 104 | 26 |
| LWBK35DF-E | 31000 | 50000 | 3800 | 1180 | 34 | M35×1.5 | 55 | 22 | 3.4 | 35 | 92 | 30 |
| LWBK35DFD-E | 50500 | 100000 | 5200 | 1710 | 45 | M35×1.5 | 55 | 22 | 4.3 | 35 | 107 | 30 |
| LWBK35DFF-E | 50500 | 100000 | 7650 | 2350 | 59 | M35×1.5 | 55 | 22 | 5.0 | 35 | 122 | 30 |
| LWBK40DF-E | 31500 | 52000 | 3900 | 1230 | 36 | M40×1.5 | 60 | 22 | 3.6 | 40 | 92 | 30 |
| LWBK40DFD-E | 51500 | 104000 | 5300 | 1810 | 47 | M40×1.5 | 60 | 22 | 4.2 | 40 | 107 | 30 |
| LWBK40DFF-E | 51500 | 104000 | 7850 | 2400 | 61 | M40×1.5 | 60 | 22 | 4.7 | 40 | 122 | 30 |
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