STAR – Precision Ball Screw Assemblies

D 5
Lube port at flange center
L 10
L 3
D 1
L 4
L
Dw
d2
d1
d0 N.B.: On a precision-ground screw the core diameter
d 2 is smaller by max. 0.3 mm due to the root
undercut.
-0.04
-0.2
RE 83 301/12.99 31
D 1
D 6
D 6
BB3
BB5
D 7
D 7
S
4x90°
S
8x45°
45°
22.5°
BB4
D 6
BB6
Dimensions (mm) Weight
d1 d2 D1 g6
D5 Hole
pattern
D6 D7 L L3L4 L10 S m
(Kg)
15.0 12.9 28 53 BB3 40 7 72 12 10 60 M6 0.33
19.0 16.9 33 58 BB4 45 7 82 12 10 70 M6 0.45
24.0 21.9 38 63 BB4 50 7 82 12 10 70 M6 0.53
24.0 21.9 38 63 BB4 50 7 120 12 16 108 M6 0.70
31.0 28.4 48 73 BB4 60 7 88 13 10 75 M6 0.84
31.0 27.9 48 73 BB4 60 7 146 13 16 133 M6 1.22
39.0 36.4 56 80 BB4 68 7 100 15 10 85 M8x1 1.13
38.0 33.8 63 95 BB4 78 9 140 15 16 125 M8x1 2.25
38.0 33.8 63 95 BB4 78 9 180 15 16 165 M8x1 2.83
38.0 33.8 63 95 BB4 78 9 175 15 25 160 M8x1 2.66
49.0 46.4 68 98 BB4 82 9 100 15 10 85 M8x1 1.60
48.0 43.8 72 110 BB4 90 11 140 18 16 122 M8x1 2.74
48.0 43.8 72 110 BB4 90 11 180 18 16 162 M8x1 3.39
48.0 43.4 85 125 BB4 105 11 255 22 25 233 M8x1 6.71
61.0 56.8 85 125 BB4 105 11 140 22 16 118 M8x1 3.53
61.0 56.8 85 125 BB4 105 11 180 22 16 158 M8x1 4.32
61.0 56.4 95 140 BB4 118 14 255 22 25 233 M8x1 8.65
78.0 73.3 105 150 BB4 125 14 190 22 16 168 M8x1 6.35
77.0 70.8 125 180 BB5 152 18 320 25 25 295 M8x1 18.60
76.0 67.0 125 180 BB5 152 18 340 25 25 315 M8x1 20.20
98.0 93.4 125 180 BB5 152 18 190 25 16 165 M8x1 8.19
96.0 87.1 145 200 BB5 172 18 340 30 25 310 M8x1 24.50
123.0 118.0 150 210 BB5 180 18 190 30 16 160 M8x1 10.80
121.0 112.0 170 230 BB6 200 18 340 40 25 300 M8x1 31.00
D 6
D 7
D 7
S
6x60°
S
10x36°
30°
18°