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16/64 Tooth 2.5 Mod Steel Bevel Mitre Gears SRB25/4N

£111.65

Metric Bevel Gear Sets 
in Steel EN8, 080M40/080M46 or equivalent

4 : 1 Ratio

Cut to the Gleason System

20° pressure angle

Bore tolerance H8

DIN 3964, DIN 3967, DIN 3971

Supplied in pairs

All dimensions in mm.

Shaft axes to intersect within 
+/- 0.025mm
Angular accuracy between shafts 
+/- 5mins
Mounting distance tolerance +/- 0.05mm

Standard tolerances, unless otherwise stated ±0.25 mm.


Code Pitch Module No. Teeth dp V+A dm Bore F A de S Lm
SRB10/4 1 15 15 38 13.3 4 9.3 17.2 17.8 0 7.7
60 60 22 30.3 8 9.3 17.1 60.3 1.9 10
SRB10/4N 16 16 40 14 4 10 17.94 18 0 7.75
64 64 27 38 8 10 21.69 63.5 2.5 12
SRB15/4 1.5 15 22.5 57 20.3 8 11 23 26.7 0 11.7
60 90 42 50.3 16 11 34 90.4 2.8 25
SRB15/4N 16 24 61 20 8 12 25.08 27.5 0 12.45
64 96 39 56 16 12 30.35 95.5 3 15
SRB20/4 2 15 30 75 25.3 8 16 31 35.6 0 14.4
60 120 48 60.3 16 16 37.6 120.6 3.4 25
SRB20/4N 16 32 76 26 10 16 28.11 37 0 11.2
64 128 44 75 16 16 32.47 128.7 4 16
SRB25/4 2.5 15 37.5 94 32.3 14 19 38.1 44.5 0 18.4
60 150 58 60.3 20 19 44.8 150.7 4.8 30
SRB25/4N 16 40 95 32 14 20 35.13 46.5 0 14
64 160 55 90 20 20 40.58 159.5 5 20
SRB30/4 3 15 45 115 40.3 16 23 48.1 53.3 0 24.5
60 180 69 80.3 20/25 23 53.2 180.8 5 35
SRB30/4N 16 48 110 40 14 25 39.12 56 2 13
64 192 62 100 20 25 44.93 191.5 6 20
SRB35/4 3.5 15 52.5 131 45.3 20 26 52.1 62.2 0 25.1
60 210 79 90.3 20/30 26 60.4 211 6 40
SRB35/4N 16 56 128 48 16 28 44.19 66 3 15
64 224 80 120 20 28 59.82 223.5 7 30
SRB40/4 4 15 60 145 50.3 20 30 55.1 71.1 0 23
60 240 82 90.3 20/30 30 60.8 241.1 7.8 40
SRB40/4N 16 64 150 52 16 32 54.22 75 3 20.5
64 256 94 140 20 32 71.47 257.13 8 35
SRB45/4 4.5 15 67.5 159.9 52.3 20 32 57 79.97 0 23
60 270 86.3 90.3 20/30 32 62 271.24 8.5 40
SRB50/4 5 15 75 177.7 55.3 20 34 62 88.8 0 25
60 300 92 90.3 20/30 34 65 301.3 10 40
SRB50/4N 16 80 184 65 16 36 60.44 94.5 4 22.1
64 320 105 170 20 36 75.24 320 10 35

 ** these sizes only have a black oxide finish

Please note : All dimensions including bore sizes subject to change. 

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