Description
DIN 3964, DIN 3967, DIN 3971. Standard tolerances, unless otherwise stated ±0.25 mm. Shaft axis to intersect within ±0.025mm. Angular accuracy between shafts ±5mins. Mounting distance tolerance ±0.05mm. Bore tolerance H8. Cut to the Gleason System. 20° pressure angle. Supplied in pairs. All dimensions in mm. Steel EN8, (080M40/080M46) or equivalent 1:1 Ratio
Steel Mitre Gear Mod 4 1:1 25T/25T (SBM40/25N)

| Part No. |
7708-878 |
| Code |
SBM40/25N |
| Pitch Module |
4 |
| No . Teeth |
25 |
| dp |
100 |
| V+A |
86 |
| dm |
70 |
| Bore H8 |
20 |
| F |
24 |
| A |
54.8 |
| de |
106 |
| Lm |
25 |
| S |
6 |
Every effort is taken to ensure the accuracy of the table data
Design variations and errors although rare may occur