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Injection molded, mass-produced productions, suitable for office machines.
DB---Category
Unit of Measure
Items Image
DB0.5-2040
KHK DB0.5-2040, 0.5, 20 Tooth, Injection Molded Bevel Gears
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DB0.5-4020
KHK DB0.5-4020, 0.5, 40 Tooth, Injection Molded Bevel Gears
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DB0.8-2040
KHK DB0.8-2040, 0.8, 20 Tooth, Injection Molded Bevel Gears
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DB0.8-4020
KHK DB0.8-4020, 0.8, 40 Tooth, Injection Molded Bevel Gears
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DB1-2040
KHK DB1-2040, 1, 20 Tooth, Injection Molded Bevel Gears
Gear Type N/A Bevel Gears
Construction N/A Injection Molded Bevel Gears
Bore Type N/A Plain
Gear Ratio N/A 2
Module N/A 0.5 N/A 0.5 N/A 0.8 N/A 0.8 N/A 1
No. of Teeth N/A 20 N/A 40 N/A 20 N/A 40 N/A 20
Shape N/A B1 N/A B9 N/A B1 N/A B9 N/A B1
Bore Diameter (A) N/A 0.118 in3 mm N/A 0.157 in4 mm N/A 0.157 in4 mm N/A 0.197 in5 mm N/A 0.197 in5 mm
Hub Diameter (B) N/A 0.315 in8 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 0.591 in15 mm N/A 0.591 in15 mm
Pitch Diameter (C) N/A 0.394 in10 mm N/A 0.787 in20 mm N/A 0.630 in16 mm N/A 1.260 in32 mm N/A 0.787 in20 mm
Outer Diameter (D) N/A 0.441 in11.2 mm N/A 0.799 in20.29 mm N/A 0.706 in17.92 mm N/A 1.278 in32.47 mm N/A 0.882 in22.4 mm
Mounting Distance (E) N/A 0.630 in16 mm N/A 0.472 in12 mm N/A 0.945 in24 mm N/A 0.709 in18 mm N/A 1.181 in30 mm
Total Length (F) N/A 0.333 in8.46 mm N/A 0.328 in8.33 mm N/A 0.453 in11.5 mm N/A 0.469 in11.91 mm N/A 0.570 in14.49 mm
Length from Crown to Back (G) N/A 0.248 in6.3 mm N/A 0.287 in7.29 mm N/A 0.334 in8.48 mm N/A 0.412 in10.47 mm N/A 0.417 in10.6 mm
Hub Width (H) N/A 0.157 in4 mm N/A 0.157 in4 mm N/A 0.197 in5 mm N/A 0.236 in6 mm N/A 0.276 in7 mm
Length Of Bore (I) N/A N/A 0.276 in7 mm N/A N/A 0.394 in10 mm N/A
Face Width (J) N/A 0.098 in2.5 mm N/A 0.098 in2.5 mm N/A 0.138 in3.5 mm N/A 0.138 in3.5 mm N/A 0.177 in4.5 mm
Holding Surface Diameter (K) N/A N/A 0.567 in14.41 mm N/A N/A 0.952 in24.17 mm N/A
Bending Strength N/A 0.092 N·m0.0094 kgf·m N/A 0.24 N·m0.025 kgf·m N/A 0.34 N·m0.035 kgf·m N/A 0.91 N·m0.093 kgf·m N/A 0.60 N·m0.061 kgf·m
Backlash N/A 0-0.0118 in0-0.30 mm N/A 0-0.0118 in0-0.30 mm N/A 0-0.0189 in0-0.48 mm N/A 0-0.0189 in0-0.48 mm N/A 0-0.0236 in0-0.60 mm
Precision Grade N/A JIS B 1704:1978 grade 6
Gear Teeth Type N/A Gleason
Pressure Angle N/A 20 º
Material N/A Duracon® Acetal (M90-44)
Tooth Hardness N/A 110-120HRR
Weight N/A 0.54 kg1.190 lb N/A 2 kg4.409 lb N/A 1.87 kg4.123 lb N/A 6.26 kg13.801 lb N/A 3.54 kg7.804 lb