Gears - Bevel - Spiral - Module 4 - Steel
(Table View)
Combined Categories:
Click to see all Metric Bevel Gears
Click to see all Metric Spiral Bevel Gears
Product features, properties and information
For 90o angle power transfer. Ratios exceeding 1 to 1.
See Gears - Mitre for 1:1 ratios.
ISO Class 6.
35o Spiral Angle / 20o Pressure Angle.
AISI 1045 Steel, Tooth surfaces induction hardened to HRC48.53.
Black oxide finish except bore and tooth surfaces.
All dimensions on this website are shown in mm unless otherwise indicated.
Click on the linked part numbers in the table below for more details.

Ratio | Comment | Matching Gear to Complete Set | Teeth No. |
Material | Bore mm |
Pitch Diameter mm |
Face Width mm |
Overall Width mm |
Hub Diameter mm |
Mounting Distance mm |
Hub Length (l1) mm |
Part Number (Click for prices) |
Stock |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2 to 1 | Small Gear Only | GB21SAM440200C ">Match with (0.787 in.) |
80.00 (3.150 in.) |
28.00 (1.102 in.) |
66.24 (2.608 in.) |
60.000 (2.362 in.) |
120.000 (4.724 in.) |
- | GB-21SA-M4-20-200-C | 0 | |||
2 to 1 | Large Gear Only | GB21SAM420200C ">Match with (0.787 in.) |
160.00 (6.299 in.) |
28.00 (1.102 in.) |
53.68 (2.113 in.) |
70.000 (2.756 in.) |
80.000 (3.150 in.) |
- | GB-21SA-M4-40-200-C | 0 | |||
3 to 2 | Small Gear Only | GB32SAM430200C ">Match with (0.787 in.) |
80.00 (3.150 in.) |
20.00 (0.787 in.) |
48.17 (1.896 in.) |
60.000 (2.362 in.) |
90.000 (3.543 in.) |
- | GB-32SA-M4-20-200-C | 0 | |||
3 to 2 | Large Gear Only | GB32SAM420200C ">Match with (0.787 in.) |
120.00 (4.724 in.) |
20.00 (0.787 in.) |
47.49 (1.870 in.) |
70.000 (2.756 in.) |
75.000 (2.953 in.) |
- | GB-32SA-M4-30-200-C | 0 |
Combined Categories:
Click to see all Metric Bevel Gears
Click to see all Metric Spiral Bevel Gears
View a PDF catalogue of this category
or scroll up for prices and availabilities
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