LEFB25U/Motor bottom mounting type Dimensions: Belt Drive Dimensions L A B n D E [mm] 340 510 510 680 680 850 1020 1020 1190 1190 1360 1530 1530 1700 1700 1870 1870 2040 2 3 3 4 4 5 6 6 7 7 8 9 9 10 10 11 11 12 6 8 8 10 10 12 14 14 16 16 18 20 20 22 22 24 24 26 467 567 667 767 867 967 1067 1167 1267 1367 1467 1567 1667 1767 1867 1967 2067 2167 306 406 506 606 706 806 906 1006 1106 1206 1306 1406 1506 1606 1706 1806 1906 2006 552 652 752 852 952 1052 1152 1252 1352 1452 1552 1652 1752 1852 1952 2052 2152 2252 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 Stroke Motor mounting dimensions FA FB FC FD FE FF [mm] NZ Motor type M4 x 0.7 8 46 30 3 27 Motor type: NN Without motor flange LEFB25UNNS-�ｮ Body mounting reference plane Note) 4 x M5 x 0.8 thread depth 8.5 (102) 64 45 38 3.5 50 Belt tension adjustment bolt (M4: Width across flats 2.5) 38 M4 x 0.7 thread depth 8 (F.G. terminal) (48) 24 58 17 12.5 6.5 6 (L) 10 (109) A (Table traveling distance) 52 75 38.5 48 (9) FF 45.5 Motor flange n x o4.5 48 4 Motor mating part: oFD, depth FE Mounting pitch: oFC 45° 2 x FA B thread depth FB D x 170 (= E) 170 25 33 3 o37 33 (42) 4.5 1.5 23 49 2 x M4 x 0.7 thread depth 5.5 Motor Note) When mounting the actuator using the body mounting reference plane, set the height of the opposite surface or pin to be 3 mm or more. (Recommended height 5 mm) o3H9 ( ) depth 3 +0.025 0 3H9 ( ) depth 3 +0.025 0 3H9 ( ) depth 3 +0.025 0 Refer to “Motor Mounting” on page 28 for details about motor mounting and included parts. 23 Series LEFB