STAR – Precision Ball Screw Assemblies

D 5
D 1
+0.7
L 5
L 3
L
N.B.: On a precision-ground screw
the core diameter d 2 is smaller
by max. 0.3 mm due to the
root undercut.
RE 83 301/12.99 21
Dw
L 8
1
D
L 10
L 4
d2
d1
d0 -0.05
-0.1
D 1
d 0 ≤ 32
d 0 ≥ 40
Dimensions (mm) Weight
d 1 d 2 D 1 D 5 Hole D 6 D 7 L L 3 L 4 L 5 L 9 L 10 S L 8 m
f9 pattern (Kg)
15.0 12.9 28 48 BB2 38 5.5 38 15 10 11.5 44 11.5 M6 7.1 0.20
15.0 12.9 28 48 BB2 38 5.5 45 15 15 15 44 15 M6 11 0.22
15.0 12.9 28 48 BB2 38 5.5 61 15 20 23 44 23 M6 10 0.29
19.0 16.9 36 58 BB2 47 6.6 40 15 10 12.5 51 12.5 M6 7.1 0.33
19.3 16.7 36 58 BB2 47 6.6 77 20 25 28.5 51 28.5 M6 12.5 0.56
24.0 21.9 40 62 BB2 51 6.6 45 20 10 12.5 55 12.5 M6 9.5 0.43
24.0 21.9 40 62 BB2 51 6.6 64 20 16 22 55 22 M6 10 0.54
24.0 21.4 40 62 BB2 51 6.6 95 25 30 35 55 35 M6 14 0.77
31.0 28.4 50 80 BB2 65 9 48 20 10 14 71 14 M6 9.7 0.74
31.0 27.9 50 80 BB2 65 9 77 20 16 28.5 71 28.5 M6 12.5 0.97
31.0 27.9 50 80 BB2 65 9 84 20 25 32 71 32 M6 12.5 1.04
31.0 27.9 50 80 BB2 65 9 120 20 40 50 71 50 M6 12.5 1.34
39.0 36.4 63 93 BB1 78 9 54 25 10 14.5 81.5 14.5 M8x1 12 1.25
38.0 33.8 63 93 BB1 78 9 70 25 16 22.5 81.5 22.5 M8x1 11.8 1.39
38.0 33.8 63 93 BB1 78 9 75 25 25 25 81.5 25 M8x1 12.5 1.47
38.0 33.8 63 93 BB1 78 9 88 25 25 31.5 81.5 31.5 M8x1 16.5 1.55
38.0 33.8 63 93 BB1 78 9 142 40 45 51 81.5 51 M8x1 25 2.69
49.0 46.4 75 110 BB1 93 11 54 25 10 14.5 97.5 14.5 M8x1 12 1.67
48.0 43.8 75 110 BB1 93 11 90 30 16 30 97.5 30 M8x1 14.1 2.46
48.0 43.8 75 110 BB1 93 11 105 30 25 37.5 97.5 37.5 M8x1 15 2.69
48.0 43.4 75 110 BB1 93 11 132 30 25 51 97.5 51 M8x1 20 3.08
48.0 43.4 75 110 BB1 93 11 149 30 45 59.5 97.5 59.5 M8x1 18 3.39
61.0 56.8 90 125 BB1 108 11 90 30 16 30 110 30 M8x1 14 2.83
61.0 56.4 95 135 BB1 115 13.5 132 30 25 51 117.5 51 M8x1 20 4.86
61.0 56.4 95 135 BB1 115 13.5 149 30 45 59.5 117.5 59.5 M8x1 18 5.36
78.0 73.3 105 145 BB1 125 13.5 95 30 16 32.5 127.5 32.5 M8x1 14 3.73
77.0 70.8 125 165 BB1 145 13.5 160 50 25 55 147.5 55 M8x1 23.5 10.88
76.0 67.0 125 165 BB1 145 13.5 170 50 25 60 147.5 60 M8x1 23.7 13.50
90°
30°
90°
D 7
D 7
S
S
D 6
D 6
22.5°
30°
L 9
L 9
BB2
BB1