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Helical Gears - Module 1.5, Shaft Bore Configurable Type (Part Numbers - CAD Download)

Helical Gears - Module 1.5, Shaft Bore Configurable Type

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MISUMI

MISUMI

Features: Helical gears have a higher contact ratio than spur gears, resulting in superior transmission accuracy and quieter operation.
Right-twisted helical gears engage with left-twisted helical gears.
Four types of shaft bore are selectable: straight bore, straight bore + tap, keyway, and keyway + tap.
Available alterations: Set screw alteration, tapped hole dimension change, stepped hole, both ends stepped hole, hub cut, hub diameter cut, side slotted hole, side through hole, side tapped hole, and side counterbored hole alterations are possible.
Lineup by moduleModule 1.0Module 2.0Module 2.5Module 3.0

(i)Remark

  • When downloading CAD data, the tooth shape will not be generated on the 3D drawing. Please refer to the reference circle on the 3D drawing.

Part Number

Once your search is narrowed to one product,
the corresponding part number is displayed here.

Gear Shape
Shape A
Shape B
● Shaft Bore Specifications (Selectable Gear Shapes)
Straight Bore (Shape A, Shape B)Straight Bore + Tap
(Shape B)		Keyway (Shape A)Keyway + Tap
(Shape B)
[ ! ] Refer to the dimensions table for keyway dimension details.
[!] Relative positioning of keyway and teeth is not fixed.
Gear dimensions
Datum Section of GearsTeeth perpendicular
Module1.5
Pressure Angle20°
Helix Angle19° 31′42″
Gear AccuracyJIS B 1702-1, ISO 1328-1, Flank Tolerance Class 8
Type[M] Material[S] Surface Treatment[A]Accessory
Straight BoreStraight Bore + TapKeyway, Keyway + Tap
HGEARHBHGEARBHGEARKBEN 1.1191 Equiv.—Set Screw
(EN 1.7220 Equiv. Black Oxide)
HGEARHBBHGEARBBHGEARKBBBlack Oxide
HGEARHBGHGEARBGHGEARKBGElectroless Nickel Plating
[!] Set Screw is not included when an untapped specification is selected.

Specification Table

Part Number—Number of Teeth—B—Gear Shape—P—Twisting Direction
HGEARHB1.5—25—15—A—10—LH
HGEARBG1.5—38—15—B—10—RH
HGEARKB1.5—18—15—A—12—LH
 
Part NumberNumber of TeethB
Tooth Width		Gear
Shape		Shaft Bore Dia. PH7
(1 mm Increments)		Twisting
Direction		d
Reference Circle
Dia.		D
Addendum Circle
Dia.		G
Dedendum Circle
Dia.		HLℓ1ℓ2M
(Coarse)		*1 Allowable Torque (N⋅m)
TypeModuleStraight Bore
Straight Bore + Tap		Keyway
Keyway + Tap		Bending StrengthTooth Surface Strength
Straight Bore
(Shape A, Shape B)
HGEARHB
HGEARHBB
HGEARHBG


Straight Bore + Tap
(Shape B)
HGEARB
HGEARBB
HGEARBG


Keyway
(Shape A)
Keyway + Tap
(Shape B)
HGEARKB
HGEARKBB
HGEARKBG		1.51515A

B		6 to 88LH (Left)

RH (Right)		23.8726.8720.121627126M415.170.99
1625.4628.4621.711716.761.15
178 to 1227.0630.0623.311918.371.32
186 to 1228.6531.6524.902020.021.51
196 to 1330.2433.2426.492221.691.80
206 to 1531.8334.8328.082423.382.04
2133.4236.4229.672525.092.28
226 to 1835.0138.0131.262726.822.55
238 to 1336.6139.6132.862828.562.83
246 to 208 to 1538.2041.2034.453030.323.12
2539.7942.7936.043232.093.44
266 to 228 to 1741.3844.3837.633333.883.77
276 to 238 to 1942.9745.9739.223535.674.12
2844.5647.5640.813637.484.49
296 to 2446.1649.1642.413839.304.87
3047.7550.7544.003941.125.28
326 to 288 to 2450.9353.9347.184344.806.14
3352.5255.5248.774446.656.60
3454.1157.1150.364648.517.08
3555.7058.7051.954750.377.58
3657.3060.3053.554952.248.10
386 to 358 to 3060.4863.4856.735255.999.19
3962.0765.0758.325457.889.77
4010 to 3063.6666.6659.915559.7710.37
4266.8569.8563.105963.5611.63
4470.0373.0366.286267.3712.97
4571.6274.6267.876369.2813.67
4673.2176.2169.466571.2014.39
488 to 4010 to 3376.3979.3972.6468M575.0315.90
4977.9980.9974.2476.9616.69
5079.5882.5875.837078.8817.50
5110 to 4081.1784.1777.4280.8118.34
5282.7685.7679.0182.7419.19
5412 to 4012 to 4085.9488.9482.19M686.6120.97
5587.5490.5483.7988.5521.89
5689.1392.1385.3890.4922.83
5790.7293.7286.9792.4323.80
5892.3195.3188.5694.3824.79
6012 to 4595.4998.4991.7498.2726.84
6298.68101.6894.93102.1728.98
63100.27103.2796.52104.1330.09
64101.86104.8698.11106.0831.22
65103.45106.4599.70108.0432.37
66105.04108.04101.29109.9933.55
68108.23111.23104.48113.9135.98
69109.82112.82106.07115.8737.23
 
Part NumberNumber of TeethB
Tooth Width		Gear
Shape		Shaft Bore Dia. PH7
(1 mm Increments)		Twisting
Direction		d
Reference Circle
Dia.		D
Addendum Circle
Dia.		G
Dedendum Circle
Dia.		HLℓ1ℓ2M
(Coarse)		*1 Allowable Torque (N⋅m)
TypeModuleStraight Bore
Straight Bore + Tap		Keyway
Keyway + Tap		Bending StrengthTooth Surface Strength
Straight Bore
(Shape A, Shape B)
HGEARHB
HGEARHBB
HGEARHBG


Straight Bore + Tap
(Shape B)
HGEARB
HGEARBB
HGEARBG


Keyway
(Shape A)
Keyway + Tap
(Shape B)
HGEARKB
HGEARKBB
HGEARKBG		1.57015A

B		12 to 5012 to 45LH (Left)

RH (Right)		111.41114.41107.667027126M6117.8438.51
72114.59117.59110.84121.7641.13
75119.37122.37115.62127.6645.25
76120.96123.96117.21129.6346.68
77122.55125.55118.80131.6048.13
78124.14127.14120.39133.5749.60
80127.32130.32123.57137.5252.63
81128.92131.92125.17139.4954.18
84133.69136.69129.94145.4258.98
85135.28138.28131.53147.3960.63
88140.06143.06136.31153.3365.75
90143.24146.24139.49157.2869.29
91144.83147.83141.08159.2771.10
92146.42149.42142.67161.2572.93
95151.20154.20147.45167.1978.60
96152.79155.79149.04169.1880.54
98155.97158.97152.22173.1484.51
99157.56160.56153.81175.1386.53
100159.16162.16155.41177.1188.58
12012 to 5412 to 47190.99193.99187.24216.90135.35
[ ! ] Shaft Bore Dia. 9 is not available for Keyway + Tap.
[!] The tooth trace is twisted, generating thrust. Design the bearing to be able to withstand axial thrust.
[!] Helical gears engage with the same helix angle with right and left twisting. Please bear this in mind when selecting as part of a set.
*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions.

Alterations

AlterationsSide Through HoleSide Tapped HoleSide Counterbored
CodeKSC·KFC·KTCQSC·QFC·QTCZFC·ZTC
Spec.
Machines through holes on the side surface.
Dimension IncrementsKFC·KTC: 1 mm Increments
 K: 0.5 mm Increments
K selection K3.0 to K6.0
Ordering Code KFC20-K3.5
Applicable Conditions
Shape A
[ ! ]P+K+4 ≤ KSC (KFC/KTC) ≤ G−K−4


Shape B
Standard conditions

[ ! ]P+K+4 ≤ KSC (KFC/KTC) ≤ H−K−4

 

[ ! ]H+K+4 ≤ KSC (KFC/KTC) ≤ G−K−4

 

·Number of Holes

·Hole Position



[!] Conditions may vary depending on the shaft bore specs.
Machines tapped holes on the side surface of the gear
Dimension IncrementsQFC,QTC: 1 mm Increments
Select M M3, M4, M5, M6[ ! ] Tapped Hole Depth M × 2.0
 (When B < M × 2.0, through)
Applicable Conditions
Shape A
Ordering CodeQFC25−M3
Standard conditions

[ ! ]P+M+4 ≤ QSC (QFC/QTC) ≤ G−M−4

Shape B

Ordering CodeR-side specification: QFC25－M3－RR,
L-side specification: QFC25－M3－LL
Standard conditions

[ ! ]P+M+4 ≤ QSC (QFC/QTC) ≤ H−M−4

 

[ ! ]H+M+4 ≤ QSC (QFC/QTC) ≤ G−M−4

·Number of Holes

·Hole Position


[!] Conditions may vary depending on the shaft bore specs.
Machines counterbored holes on the side surface.
Dimension IncrementsZFC,ZTC: 1 mm Increments
Select U U3, U4, U5, U6

Applicable Conditions
Shape A
Ordering Code ZFC20-U3
Standard conditions

[ ! ]P+Ux2+3 ≤ ZFC (ZTC) ≤ G−Ux2−4

U SelectionU₁U₂F
36.53.53.5
484.54.5
59.55.55.5
6116.56.5
Shape B
Ordering CodeR-side specification: ZFC20−U3−RR,
L-side specification: ZFC20−U3−LL
Standard conditions

[ ! ]P+Ux2+3 ≤ ZFC (ZTC) ≤ H−Ux2−4

 

[ ! ]H+Ux2+4 ≤ ZFC (ZTC) ≤ G−Ux2−4

·Number of Holes

·Hole Position

[!] Conditions may vary depending on the shaft bore specs.

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Part Number
HGEARB1.5-95-15-B-[12-50/1]-RH
HGEARB1.5-96-15-B-[12-50/1]-RH
HGEARB1.5-98-15-B-[12-50/1]-RH
HGEARB1.5-99-15-B-[12-50/1]-RH
HGEARB1.5-100-15-B-[12-50/1]-RH
HGEARB1.5-120-15-B-[12-54/1]-RH
HGEARBB1.5-15-15-B-[6-8/1]-RH
HGEARBB1.5-16-15-B-[6-8/1]-RH
HGEARBB1.5-17-15-B-[6-8/1]-RH
HGEARBB1.5-18-15-B-[6-12/1]-RH
HGEARBB1.5-19-15-B-[6-13/1]-RH
HGEARBB1.5-20-15-B-[6-15/1]-RH
HGEARBB1.5-21-15-B-[6-15/1]-RH
HGEARBB1.5-22-15-B-[6-18/1]-RH
HGEARBB1.5-23-15-B-[6-18/1]-RH
HGEARBB1.5-24-15-B-[6-20/1]-RH
HGEARBB1.5-25-15-B-[6-20/1]-RH
HGEARBB1.5-26-15-B-[6-22/1]-RH
HGEARBB1.5-27-15-B-[6-23/1]-RH
HGEARBB1.5-28-15-B-[6-23/1]-RH
HGEARBB1.5-29-15-B-[6-24/1]-RH
HGEARBB1.5-30-15-B-[6-24/1]-RH
HGEARBB1.5-32-15-B-[6-28/1]-RH
HGEARBB1.5-33-15-B-[6-28/1]-RH
HGEARBB1.5-34-15-B-[6-28/1]-RH
HGEARBB1.5-35-15-B-[6-28/1]-RH
HGEARBB1.5-36-15-B-[6-28/1]-RH
HGEARBB1.5-38-15-B-[6-35/1]-RH
HGEARBB1.5-39-15-B-[6-35/1]-RH
HGEARBB1.5-40-15-B-[6-35/1]-RH
HGEARBB1.5-42-15-B-[6-35/1]-RH
HGEARBB1.5-44-15-B-[6-35/1]-RH
HGEARBB1.5-45-15-B-[6-35/1]-RH
HGEARBB1.5-46-15-B-[6-35/1]-RH
HGEARBB1.5-48-15-B-[8-40/1]-RH
HGEARBB1.5-49-15-B-[8-40/1]-RH
HGEARBB1.5-50-15-B-[8-40/1]-RH
HGEARBB1.5-51-15-B-[8-40/1]-RH
HGEARBB1.5-52-15-B-[8-40/1]-RH
HGEARBB1.5-54-15-B-[12-40/1]-RH
HGEARBB1.5-55-15-B-[12-40/1]-RH
HGEARBB1.5-56-15-B-[12-40/1]-RH
HGEARBB1.5-57-15-B-[12-40/1]-RH
HGEARBB1.5-58-15-B-[12-40/1]-RH
HGEARBB1.5-60-15-B-[12-45/1]-RH
HGEARBB1.5-62-15-B-[12-45/1]-RH
HGEARBB1.5-63-15-B-[12-45/1]-RH
HGEARBB1.5-64-15-B-[12-45/1]-RH
HGEARBB1.5-65-15-B-[12-45/1]-RH
HGEARBB1.5-66-15-B-[12-45/1]-RH
HGEARBB1.5-68-15-B-[12-45/1]-RH
HGEARBB1.5-69-15-B-[12-45/1]-RH
HGEARBB1.5-70-15-B-[12-50/1]-RH
HGEARBB1.5-72-15-B-[12-50/1]-RH
HGEARBB1.5-75-15-B-[12-50/1]-RH
HGEARBB1.5-76-15-B-[12-50/1]-RH
HGEARBB1.5-77-15-B-[12-50/1]-RH
HGEARBB1.5-78-15-B-[12-50/1]-RH
HGEARBB1.5-80-15-B-[12-50/1]-RH
HGEARBB1.5-81-15-B-[12-50/1]-RH
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
Number of Teeth
(Teeth) 		Twisting Direction Surface Treatment Shaft Bore Config. Shaft Bore Dia., Shaft Dia. Gear Shape

-

1 7 Days 95RightNot ProvidedRound hole+tap12 ～ 50Shape B

-

1 7 Days 96RightNot ProvidedRound hole+tap12 ～ 50Shape B

-

1 7 Days 98RightNot ProvidedRound hole+tap12 ～ 50Shape B

-

1 7 Days 99RightNot ProvidedRound hole+tap12 ～ 50Shape B

-

1 7 Days 100RightNot ProvidedRound hole+tap12 ～ 50Shape B

-

1 7 Days 120RightNot ProvidedRound hole+tap12 ～ 54Shape B

-

1 7 Days 15RightBlack OxideRound hole+tap6 ～ 8Shape B

-

1 7 Days 16RightBlack OxideRound hole+tap6 ～ 8Shape B

-

1 7 Days 17RightBlack OxideRound hole+tap6 ～ 8Shape B

-

1 7 Days 18RightBlack OxideRound hole+tap6 ～ 12Shape B

-

1 7 Days 19RightBlack OxideRound hole+tap6 ～ 13Shape B

-

1 7 Days 20RightBlack OxideRound hole+tap6 ～ 15Shape B

-

1 7 Days 21RightBlack OxideRound hole+tap6 ～ 15Shape B

-

1 7 Days 22RightBlack OxideRound hole+tap6 ～ 18Shape B

-

1 7 Days 23RightBlack OxideRound hole+tap6 ～ 18Shape B

-

1 7 Days 24RightBlack OxideRound hole+tap6 ～ 20Shape B

-

1 7 Days 25RightBlack OxideRound hole+tap6 ～ 20Shape B

-

1 7 Days 26RightBlack OxideRound hole+tap6 ～ 22Shape B

-

1 7 Days 27RightBlack OxideRound hole+tap6 ～ 23Shape B

-

1 7 Days 28RightBlack OxideRound hole+tap6 ～ 23Shape B

-

1 7 Days 29RightBlack OxideRound hole+tap6 ～ 24Shape B

-

1 7 Days 30RightBlack OxideRound hole+tap6 ～ 24Shape B

-

1 7 Days 32RightBlack OxideRound hole+tap6 ～ 28Shape B

-

1 7 Days 33RightBlack OxideRound hole+tap6 ～ 28Shape B

-

1 7 Days 34RightBlack OxideRound hole+tap6 ～ 28Shape B

-

1 7 Days 35RightBlack OxideRound hole+tap6 ～ 28Shape B

-

1 7 Days 36RightBlack OxideRound hole+tap6 ～ 28Shape B

-

1 7 Days 38RightBlack OxideRound hole+tap6 ～ 35Shape B

-

1 7 Days 39RightBlack OxideRound hole+tap6 ～ 35Shape B

-

1 7 Days 40RightBlack OxideRound hole+tap6 ～ 35Shape B

-

1 7 Days 42RightBlack OxideRound hole+tap6 ～ 35Shape B

-

1 7 Days 44RightBlack OxideRound hole+tap6 ～ 35Shape B

-

1 7 Days 45RightBlack OxideRound hole+tap6 ～ 35Shape B

-

1 7 Days 46RightBlack OxideRound hole+tap6 ～ 35Shape B

-

1 7 Days 48RightBlack OxideRound hole+tap8 ～ 40Shape B

-

1 7 Days 49RightBlack OxideRound hole+tap8 ～ 40Shape B

-

1 7 Days 50RightBlack OxideRound hole+tap8 ～ 40Shape B

-

1 7 Days 51RightBlack OxideRound hole+tap8 ～ 40Shape B

-

1 7 Days 52RightBlack OxideRound hole+tap8 ～ 40Shape B

-

1 7 Days 54RightBlack OxideRound hole+tap12 ～ 40Shape B

-

1 7 Days 55RightBlack OxideRound hole+tap12 ～ 40Shape B

-

1 7 Days 56RightBlack OxideRound hole+tap12 ～ 40Shape B

-

1 7 Days 57RightBlack OxideRound hole+tap12 ～ 40Shape B

-

1 7 Days 58RightBlack OxideRound hole+tap12 ～ 40Shape B

-

1 7 Days 60RightBlack OxideRound hole+tap12 ～ 45Shape B

-

1 7 Days 62RightBlack OxideRound hole+tap12 ～ 45Shape B

-

1 7 Days 63RightBlack OxideRound hole+tap12 ～ 45Shape B

-

1 7 Days 64RightBlack OxideRound hole+tap12 ～ 45Shape B

-

1 7 Days 65RightBlack OxideRound hole+tap12 ～ 45Shape B

-

1 7 Days 66RightBlack OxideRound hole+tap12 ～ 45Shape B

-

1 7 Days 68RightBlack OxideRound hole+tap12 ～ 45Shape B

-

1 7 Days 69RightBlack OxideRound hole+tap12 ～ 45Shape B

-

1 7 Days 70RightBlack OxideRound hole+tap12 ～ 50Shape B

-

1 7 Days 72RightBlack OxideRound hole+tap12 ～ 50Shape B

-

1 7 Days 75RightBlack OxideRound hole+tap12 ～ 50Shape B

-

1 7 Days 76RightBlack OxideRound hole+tap12 ～ 50Shape B

-

1 7 Days 77RightBlack OxideRound hole+tap12 ～ 50Shape B

-

1 7 Days 78RightBlack OxideRound hole+tap12 ～ 50Shape B

-

1 7 Days 80RightBlack OxideRound hole+tap12 ～ 50Shape B

-

1 7 Days 81RightBlack OxideRound hole+tap12 ～ 50Shape B

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·When selecting Keyway types,
see the table on the right.
■New JIS (B1301) Keyway Dimensions
Nominaldh7bJS9t Tolerance
88+0.015
0    		3±0.01251.4+0.1
  0
1010
1111+0.018
0    		4±0.01501.8
1212
131352.3
1414
1515
1616
1717
181862.8
1919+0.021
0    
2020
2121
2222
Nominaldh7bJS9t Tolerance
2323+0.021
0    		8±0.01803.3+0.2
  0
2424
2525
2626
2727
2828
2929
3030
3131+0.025
0    		10
3232
3333
3434
3535
3636
3737
3838
 
Nominaldh7bJS9t Tolerance
3939+0.025
0    		12±0.02153.3+0.2
  0
4040
4141
4242
4343
4444
4545143.8
4646
4747
4848
4949
5050

Basic information

Module 1.5 Environmentally Friendly RoHS compliant (10 substances) Properties / applications Not Applicable
Material EN 1.1191 Equiv. Face Width(mm) 15

Configure

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990Suggestion of an applicable part number.

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The part number is completed.

Basic Attributes

  • Number of Teeth(Teeth)

    • 15
    • 16
    • 17
    • 18
    • 19
    • 20
    • 21
    • 22
    • 23
    • 24
    • 25
    • 26
    • 27
    • 28
    • 29
    • 30
    • 32
    • 33
    • 34
    • 35
    • 36
    • 38
    • 39
    • 40
    • 42
    • 44
    • 45
    • 46
    • 48
    • 49
    • 50
    • 51
    • 52
    • 54
    • 55
    • 56
    • 57
    • 58
    • 60
    • 62
    • 63
    • 64
    • 65
    • 66
    • 68
    • 69
    • 70
    • 72
    • 75
    • 76
    • 77
    • 78
    • 80
    • 81
    • 84
    • 85
    • 88
    • 90
    • 91
    • 92
    • 95
    • 96
    • 98
    • 99
    • 100
    • 120

    Clear

  • Surface Treatment

    • Not Provided
    • Black Oxide
    • Electroless Nickel Plating

    Clear

  • Shaft Bore Config.

    • Round Hole
    • Round hole+tap
    • Keyway
    • Keyway + Tap

    Clear

  • Shaft Bore Dia., Shaft Dia.

    • 8

     [6-54/1]

    Clear

  • Gear Shape

    • Shape A
    • Shape B

    Clear

  • Type

    • HGEARB
    • HGEARBB
    • HGEARBG
    • HGEARHB
    • HGEARHBB
    • HGEARHBG
    • HGEARKB
    • HGEARKBB
    • HGEARKBG

    Clear

  • Twisting Direction

    • Right
    • Left

    Clear

  • Filter by CAD data type

    • 2D
    • 3D

    Clear

Filter by standard shipping days

    • All
    • 7 Days or Less

    Reset

Optional Attributes

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