LEFB32U/Motor bottom mounting type Dimensions: Belt Drive Dimensions L A B n D E [mm] 400 400 600 600 800 800 1000 1000 1200 1200 1400 1400 1600 1600 1800 1800 2000 2000 2600 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 13 6 6 8 8 10 10 12 12 14 14 16 16 18 18 20 20 22 22 28 430 530 630 730 830 930 1030 1130 1230 1330 1430 1530 1630 1730 1830 1930 2030 2130 2630 306 406 506 606 706 806 906 1006 1106 1206 1306 1406 1506 1606 1706 1806 1906 2006 2506 590 690 790 890 990 1090 1190 1290 1390 1490 1590 1690 1790 1890 1990 2090 2190 2290 2790 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2500 Stroke Motor mounting dimensions FA FB FC FD FE FF [mm] NZ NY Motor type 37.5 37.5 4 4 50 50 70 70 9 8 M5 x 0.8 M4 x 0.7 Motor type: NN Without motor flange LEFB32UNNS-�ｭ M4 x 0.7 thread depth 8 (F.G. terminal) Body mounting reference plane Note) 8 6 (122) 70 42 4 x M6 x 1 thread depth 9.5 60 44 31.5 48 30 (60) 70 Belt tension adjustment bolt (M4: Width across flats 7) 55 (L) (5) 64 (62) A (Table traveling distance) 62 96 (12) FF 57.5 Motor 46.8 60 60 n x o5.5 D x 200 (= E) B 200 44 6 15 5 4 x FA thread depth FB 45° 44 (52) o55 6.5 3 32 59 4 x M5 x 0.8 thread depth 7 5.5 Motor mating part: oFD, depth FE Mounting pitch: oFC Motor flange 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) Series LEFB o5H9 ( ) depth 5 +0.030 0 o5H9 ( ) depth 5 +0.030 0 5H9 ( ) depth 5 +0.030 0 Refer to “Motor Mounting” on page 28 for details about motor mounting and included parts. 25