1007

1007-1008_F19-02_EN_6th

- Pressure Angle 20°, Module 0.5 -Spur Gears

Q Shape A

When ordering, select Part Number and Values from Selection Steps1~6.

Part Number (1Type · 2Module) - 3Number of Teeth - 4Thickness - 5Gear Shape - 6Shaft Bore Dia.

GEAHBB0.5 - 20 - 3 - A - 5

TypeMMaterial SSurface Treatment

Straight Bore

GEAHBN

S45C Equivalent

-

GEAHBB Black Oxide

GEAHBG Electroless Nickel Plating

GEAHB Free-Cutting Brass Bar -

GEAHBS SUS304 Equivalent -

Shaft Bore SpecificationsStraight Bore

For details of alterations, refer to W P.1006. For alterations on tooth width, refer to D P.1023.

Precision Previous JIS B 1702 Class 4(New JIS B 1702-1 Class 8 Equivalent)

Part Number3Number of

Teeth4Thickness

B5Gear Shape

6Shaft Bore Dia PH7

1mm Increment

d Reference

Circle Diameter

D Reference

Circle Diameter

G Reference

Circle Diameter

*1 Allowable Transmission Force (N·m)

Bending Strength

1Type 2Module Straight Bore S45C Equiv. Free-Cutting Brass Bar SUS304 Equiv.

Straight BoreGEAHBNGEAHBBGEAHBGGEAHBGEAHBS

0.5

20

3

A

3~5 10 11 8.75 0.42 0.09 0.24

24

3~6, 6.35

12 13 10.75 0.54 0.12 0.31

25 12.5 13.5 11.25 0.58 0.13 0.33

28 14 15 12.75 0.68 0.15 0.39

30 15 16 13.75 0.74 0.16 0.42

32 16 17 14.75 0.80 0.17 0.46

36 18 19 16.75 0.94 0.20 0.54

40

2

20 21 18.75 0.72 0.16 0.41

45 22.5 23.5 21.25 0.83 0.18 0.48

48 24 25 22.75 0.90 0.20 0.51

50 25 26 23.75 0.95 0.21 0.54

60

5~12, 6.35

30 31 28.75 1.18 0.26

-

70 35 36 33.75 1.42 0.31

80 40 41 38.75 1.65 0.36

100 50 51 48.75 2.13 0.46

120 60 61 58.75 2.59 0.56

*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions. For conditions, refer to D P.1006. Tooth width is calculated as 10mm.

OrderQuantity

Standard Service Non-Standard ServiceRegular Quantity Large Quantity Large Quantity

Quantity 1~29 30~50 51~Days to ship Standard +9 Days To be quoted

Part Number (1Type · 2Module) - 3Number of Teeth - 4Thickness

B - 5Gear Shape - 6Shaft

Bore Dia. - (etc)

GEAHB0.5 - 80 - 2 - A - 5 - KFC20-K3

Alterations Side Through Hole

Code KFC, KTC

Spec.

Machines through holes on the side surface. (KFC, KTC: 1mm Increment, K: 0.5mm Increment) EP+K+4≤KFC(KTC)≤G-K-4 <K Selection> K3.0~K6.0 <Ordering Code> KFC15-K3.5

4－K Through

KFC

3－K Through

KTC

Many variations for alterations are also available. DetailsW P.1006

6 PH7D d G

4B

6.3

A Shape5

+9 30~50

3e*for orders placed by THA: 12:30,

SGP&MYS: 13:30 d P.75

1008

CAD Data Folder Name: 19_Gears

When ordering, select Part Number and Values from Selection Steps1~6.

Part Number(1Type · 2Module) - 3Number of Teeth - 4Thickness B - 5Gear Shape - 6Shaft Bore Dia.

GEABB0.5 - 30 - 3 - B - 6

Q Shape K, B

TypeMMaterial SSurface

Treatment AAccessoryStraight Bore Straight Bore + Tap

GEAHBN GEABNS45C

Equivalent

-

Set Screw(*Except Straight Bore Type.)

GEAHBB GEABB Black Oxide

GEAHBG GEABG Electroless Nickel Plating

GEAHB GEAB Free-Cutting Brass Bar -

GEAHBS GEABS SUS304 Equiv. -

Shaft Bore SpecificationsStraight

Bore Straight

Bore + Tap

For details of alterations, refer to W P.1006.For alterations on tooth width and hub dimensions, refer to W P.1023.

EKeyway Dimension Details WP.1006EPositioning of keyway and teeth is not fixed.

EStraight Bore Type has neither tapped holes nor set screws.ESelectable Gear Shapes differ depending on the number of teeth. Check the spec. table.

Gear Shape

Precision Previous JIS B 1702 Class 4(New JIS B 1702-1 Class 8 Equivalent)

Part Number3Number

of Teeth4Thickness

B5GearShape

6Shaft Bore Dia PH71mm Increment d

Pitch CircleDiameter

DAddendum

CircleDiameter

GDedendum

CircleDiameter

H L L1 L2M

(Coarse)

*1 Allowable Transmission Force(N·m)

Bending Strength

1Type 2Module Straight Bore Hole + Tap

S45C Equiv.

Free-CuttingBrass Bar

SUS304 Equiv.

Straight BoreGEAHBNGEAHBBGEAHBGGEAHBGEAHBSStraight Bore + TapGEABNGEABBGEABGGEABGEABS

0.5

15

8 K

3~57.5 8.5 6.25

9

18 10 3

M3

0.72 0.16 0.41

16 8 9 6.75 0.79 0.17 0.45

18

3~6, 6.35

9 10 7.75 10 0.95 0.21 0.54

20 10 11 8.75 11 1.12 0.24 0.64

24

3

B

12 13 10.75

10

8

5 2.5

0.54 0.12 0.31

25 12.5 13.5 11.25 0.58 0.13 0.33

28 14 15 12.75 0.68 0.15 0.39

30 15 16 13.75 0.74 0.16 0.42

32 16 17 14.75 0.80 0.17 0.46

36 18 19 16.75 0.94 0.20 0.54

40

2

20 21 18.75

7

0.72 0.16 0.41

45 22.5 23.5 21.25 0.83 0.18 0.48

48 24 25 22.75 0.90 0.20 0.51

50 25 26 23.75 0.95 0.21 0.54

60

5~12, 6.35

30 31 28.75

-

1.18 0.26

-

70 35 36 33.75 1.42 0.31

80 40 41 38.75 1.65 0.36

100 50 51 48.75 2.13 0.46

120 60 61 58.75 2.59 0.56

*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions. For conditions, refer to D P.1006. Tooth width is calculated as 10mm.

OrderQuantity

Standard Service Non-Standard ServiceRegular Quantity Large Quantity Large Quantity

Quantity 1~29 30~50 51~Days to ship Standard +9 Days To be quoted

Part Number (1Type · 2Module) - 3Number of Teeth - 4Thickness

B - 5Gear Shape - 6Shaft

Bore Dia. - (etc)GEAB0.5 - 50 - 2 - B - 6 - KC120

Alterations Set Screw Tapped Hole DimensionCode KC90, KC120 TPC

Spec. KC90: Adds another set screw at 90˚ position.KC120: Adds another set screw at 120˚ position.XNot applicable to Straight Bore

Type.

Changes the tapped hole dimension to M4.<Ordering Code> TPC4XNot applicable to

Straight Bore Type.

90° 120°

Many variations for alterations are also available. DetailsW P.1006

6.3D

4B

d G 6 PH7 H

L

M*L1

L2

K Shape5

6.3 6 PH7 HD d G

4B

LM

l1

l2

*B Shape5

+9 30~50

3e*for orders placed by THA: 12:30,

SGP&MYS: 13:30 d P.75