Worm Reduction Gearbox
Gearbox Block
Size B D(h6) T B t
30 45 9 20 3 10.2
40 53 11 23 4 12.5
50 64 14 30 5 16
63 75 19 40 6 21.5
75 90 24 50 8 27
90 108 24 50 8 27
110 135 28 60 8 31
130 155 30 80 8 33
150 210 35 80 10 38
185 240 40 80 12 43
The Type of flange and hollow input shaft diameter DWorm GearboxWorm Gearbox
Size Nominal Ratio
Flange Type N M P 7.5 10 15 20 25 30 40 50 60 80 100
D(H7) = Input Bore Dia
30 56 B14 50 65 80 9 9 9 9 9 9 9 9 9 9 –
56 B5 80 100 120 9 9 9 9 9 9 9 9 9 9 –
63 B5 95 115 140 11 11 11 11 11 11 11 11 – – –
63 B14 60 75 90 11 11 11 11 11 11 11 11 – – –
63 B14 95 115 140 11 11 11 11 11 11 11 11 11 11 11
40 71 B5 60 75 90 11 11 11 11 11 11 11 11 11 11 11
71 B14 110 130 160 14 14 14 14 14 14 14 14 – – –
63 B5 70 85 105 14 14 14 14 14 14 14 14 – – –
71 B5 95 115 140 11 11 11 11 11 11 11 11 11 11 11
71 B5 110 130 160 14 14 14 14 14 14 14 14 14 14 14
50 71 B14 70 85 105 14 14 14 14 14 14 14 14 14 14 14
80 B5 130 165 200 19 19 19 19 19 19 19 19 – – –
80 B14 80 100 120 19 19 19 19 19 19 19 19 – – –
71 B5 110 130 160 14 14 14 14 14 14 14 14 14 14 14
71 B14 70 85 105 14 14 14 14 14 14 14 14 14 14 14
63 80 B5 130 165 200 19 19 19 19 19 19 19 19 19 19 19
80 B14 80 100 120 19 19 19 19 19 19 19 19 19 19 19
90 B5 130 165 200 24 24 24 24 24 24 24 24 24 24 24
90 B14 95 115 140 24 24 24 24 24 24 24 24 24 24 24
80 B5 130 165 200 19 19 19 19 19 19 19 19 19 19 19
75 90 B5 130 165 200 24 24 24 24 24 24 24 24 24 24 24
100/112 B5 180 215 250 28 28 28 28 28 28 28 28 – – –
80 B5 130 165 200 19 19 19 19 19 19 19 19 19 19 19
90 90 B5 130 165 200 24 24 24 24 24 24 24 24 24 24 24
100/112 B5 180 215 250 28 28 28 28 28 28 28 28 – – –
90 B5 130 165 200 24 24 24 24 24 24 24 24 24 24 24
110 100/112 B5 180 215 250 28 28 28 28 28 28 28 28 28 28 –
132 B5 230 265 300 38 38 38 38 38 38 38 38 – – –
90 B5 130 165 200 24 24 24 24 24 24 24 24 24 24 24
130 100/112 B5 180 215 250 28 28 28 28 28 28 28 28 28 28 28
132 B5 230 265 300 38 38 38 38 38 38 38 38 38 38 –
100/112 B5 180 215 200 28 28 28 28 28 28 28 28 28 28 28
150 132 B5 230 265 250 38 38 38 38 38 38 38 38 – – –
160 B5 250 300 300 42 42 42 42 – – – – – – –
Dimensions of Double Worm
BOX + BOX K l1 G2
BOX030 + 040 122 30 201
BOX030 + 050 132 30 221
BOX030 + 063 145 30 246
BOX040 + 075 167.5 40 290
BOX040 + 090 184.5 40 324
BOX050 + 110 226 50 397
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