Steel Worm Gears

  • 0.5 Mod – 2 Mod Steel EN8M (226M44) or equivalent. 3 Mod – 6 Mod Steel EN8 (080M40,080M46) or equivalent.
  • All dimensions in mm
  • Standard tolerances, unless otherwise stated ±0.25 mm
  • 20° pressure angle
  • Bore tolerance H7
  • Single & double start, right hand
 
For bronze wormwheels, see here
 
Worm Gear types

All dimensions subject to change. If a dimension is critical to your application please contact us. 

All dimensions in mm.
Standard tolerances, unless otherwise stated ±0.25 mm.
 
Part No. Code Pitch Module dp de Shaft / Boss Ø D M Bore F L A Type
7704-105 SWB05/1R 0.5 7 8 5.5 4 3 12 0 16 A
7704-106 SWB075/1R 0.75 8.5 10 6 4 4 16 0 20 A
7704-107 SWB10/1R 1 14 16 11 6 6 24 0 30 A
7704-108 SWB15/1R 1.5 25 28 21 10 8 40 0 50 A
7704-109 SWB20/1R 2 32 36 25 10 10 45 0 55 A
7704-110 SWB30/1R 3 38 44 30 12 15 46 3 61 B
7704-111 SWB40/1R 4 50 58 40 15 20 62 4 81 B
7704-112 SWB50/1R 5 62 72 50 18 25 80 5 103 B
7704-113 SWB60/1R 6 80 92 65 20 35 80 20 120 B
7704-114 SWS05/1R 0.5 7 8 5.5 18 - 12 10 40 C
7704-115 SWS075/1R 0.75 8.5 10 6 20 - 16 15 51 C
7704-116 SWS10/1R 1 14 16 10 30 - 24 20 74 C
7704-117 SWS15/1R 1.5 25 28 20 40 - 40 30 110 C
7704-118 SWS20/1R 2 32 36 25 50 - 45 36 131 C
7704-119 SWS30/1R 3 38 44 30 130 - 46 90 266 C
7704-120 SWS40/1R 4 50 58 40 175 - 62 120 357 C
7704-121 SWS50/1R 5 62 72 50 220 - 80 150 450 C
7704-122 SWS60/1R 6 80 92 65 220 - 80 150 450 C
7704-101 BSWB08/1R** 0.8 14 15.6 - - 6 30 - - D
7704-102 BSWB08/2R** 0.8 14 15.6 - - 6 30 - - D
7704-103 BSWB10/1R** 1 16 18 - - 6 32 - - D
7704-104 BSWB10/2R** 1 16 18 - - 6 32 - - D

 **Type BSWB worms MUST be run only with type NBWW wormwheels
These worms are black oxide finished and have a 1 x M4  G/S fitted (5mm from one end)


Please note : All dimensions including bore sizes subject to change. 
If a dimension is critical to your application please contact our sales department for confirmation.

91.50 (109.80 incl VAT)
221.19 (265.43 incl VAT)
224.41 (269.29 incl VAT)
229.57 (275.48 incl VAT)
96.73 (116.08 incl VAT)
122.02 (146.42 incl VAT)
266.56 (319.87 incl VAT)
357.42 (428.90 incl VAT)
373.09 (447.70 incl VAT)
11.17 (13.40 incl VAT)
11.60 (13.92 incl VAT)
11.40 (13.67 incl VAT)
11.79 (14.15 incl VAT)