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Helical Gears - Module 3.0, Shaft Bore Configurable Type (Part Numbers - CAD Download)

Helical Gears - Module 3.0, 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 1.5Module 2.0Module 2.5

(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
Module3.0
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
HGEARHB3.0—25—30—A—10—LH
HGEARBG3.0—38—30—B—20—RH
HGEARKB3.0—18—30—A—12—LH
Part NumberNumber of TeethB
Tooth Width		Gear
Shape		Shaft Bore Dia. PH7Twisting
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		3.01530A

B		8 to 248 to 19LH (Left)

RH (Right)		47.7553.7540.253648189M4121.339.10
168 to 288 to 2350.9356.9343.4339134.0410.62
1754.1160.1146.6142147.0012.28
188 to 328 to 2757.3063.3049.8045160.1614.08
198 to 338 to 2860.4866.4852.9848173.5216.82
208 to 388 to 3363.6669.6656.1652187.0419.02
218 to 408 to 3566.8572.8559.3555200.7221.38
228 to 428 to 3670.0376.0362.5358214.5523.90
238 to 448 to 3773.2179.2165.7161228.5026.58
248 to 468 to 3976.3982.3968.8964242.5729.43
258 to 488 to 4079.5885.5872.0868256.7432.45
2610 to 5310 to 4482.7688.7675.2671M5271.0235.64
2785.9491.9478.4474285.3939.00
2810 to 5810 to 4789.1395.1381.6377299.8542.54
2992.3198.3184.8180314.3846.26
3010 to 6010 to 5095.49101.4987.9983328.9950.16
32101.86107.8694.3690358.4058.51
33105.04111.0497.54373.2062.97
3412 to 6312 to 50108.23114.23100.73M6388.0567.61
35111.41117.41103.91402.9672.45
36114.59120.59107.09417.9177.48
38120.96126.96113.46447.9588.12
39124.14130.14116.64463.0493.73
4012 to 65127.32133.32119.82478.1699.55
4220 to 6520 to 50133.69139.69126.19508.51111.78
44140.06146.06132.56538.99124.83
45143.24149.24135.74554.27131.66
4625 to 6825 to 50146.42152.42138.92569.58138.70
48152.79158.79145.29600.28153.41
49155.97161.97148.47615.66161.09
50159.16165.16151.66631.07168.97
5125 to 6825 to 50162.34168.34154.84646.50177.07
52165.52171.52158.02661.95185.39
54171.89177.89164.39692.90202.67
55175.07181.07167.57708.41211.64
56178.25184.25170.75723.93220.82
57181.44187.44173.94739.47230.23
58184.62190.62177.12755.02239.86
60190.99196.99183.49786.17259.79
62197.35203.35189.85817.38280.62
63200.54206.54193.04833.00291.38
64203.72209.72196.22848.64302.36
65206.90212.90199.40864.29313.57
6625 to 70210.08216.08202.58879.94325.01
68216.45222.45208.95911.29348.58
69219.63225.63212.13926.98360.71
70222.82228.82215.32942.68373.07
[ ! ] 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
HGEARBB3.0-28-30-B-[10-58/1]-RH
HGEARBB3.0-29-30-B-[10-58/1]-RH
HGEARBB3.0-30-30-B-[10-60/1]-RH
HGEARBB3.0-32-30-B-[10-60/1]-RH
HGEARBB3.0-33-30-B-[10-60/1]-RH
HGEARBB3.0-34-30-B-[12-63/1]-RH
HGEARBB3.0-35-30-B-[12-63/1]-RH
HGEARBB3.0-36-30-B-[12-63/1]-RH
HGEARBB3.0-38-30-B-[12-63/1]-RH
HGEARBB3.0-39-30-B-[12-63/1]-RH
HGEARBB3.0-40-30-B-[12-65/1]-RH
HGEARBB3.0-42-30-B-[20-65/1]-RH
HGEARBB3.0-44-30-B-[20-65/1]-RH
HGEARBB3.0-45-30-B-[20-65/1]-RH
HGEARBB3.0-46-30-B-[25-68/1]-RH
HGEARBB3.0-48-30-B-[25-68/1]-RH
HGEARBB3.0-49-30-B-[25-68/1]-RH
HGEARBB3.0-50-30-B-[25-68/1]-RH
HGEARBB3.0-51-30-B-[25-68/1]-RH
HGEARBB3.0-52-30-B-[25-68/1]-RH
HGEARBB3.0-54-30-B-[25-68/1]-RH
HGEARBB3.0-55-30-B-[25-68/1]-RH
HGEARBB3.0-56-30-B-[25-68/1]-RH
HGEARBB3.0-57-30-B-[25-68/1]-RH
HGEARBB3.0-58-30-B-[25-68/1]-RH
HGEARBB3.0-60-30-B-[25-68/1]-RH
HGEARBB3.0-62-30-B-[25-68/1]-RH
HGEARBB3.0-63-30-B-[25-68/1]-RH
HGEARBB3.0-64-30-B-[25-68/1]-RH
HGEARBB3.0-65-30-B-[25-68/1]-RH
HGEARBB3.0-66-30-B-[25-70/1]-RH
HGEARBB3.0-68-30-B-[25-70/1]-RH
HGEARBB3.0-69-30-B-[25-70/1]-RH
HGEARBB3.0-70-30-B-[25-70/1]-RH
HGEARBG3.0-15-30-B-[8-24/1]-RH
HGEARBG3.0-16-30-B-[8-28/1]-RH
HGEARBG3.0-17-30-B-[8-28/1]-RH
HGEARBG3.0-18-30-B-[8-32/1]-RH
HGEARBG3.0-19-30-B-[8-33/1]-RH
HGEARBG3.0-20-30-B-[8-38/1]-RH
HGEARBG3.0-21-30-B-[8-40/1]-RH
HGEARBG3.0-22-30-B-[8-42/1]-RH
HGEARBG3.0-23-30-B-[8-44/1]-RH
HGEARBG3.0-24-30-B-[8-46/1]-RH
HGEARBG3.0-25-30-B-[8-48/1]-RH
HGEARBG3.0-26-30-B-[10-53/1]-RH
HGEARBG3.0-27-30-B-[10-53/1]-RH
HGEARBG3.0-28-30-B-[10-58/1]-RH
HGEARBG3.0-29-30-B-[10-58/1]-RH
HGEARBG3.0-30-30-B-[10-60/1]-RH
HGEARBG3.0-32-30-B-[10-60/1]-RH
HGEARBG3.0-33-30-B-[10-60/1]-RH
HGEARBG3.0-34-30-B-[12-63/1]-RH
HGEARBG3.0-35-30-B-[12-63/1]-RH
HGEARBG3.0-36-30-B-[12-63/1]-RH
HGEARBG3.0-38-30-B-[12-63/1]-RH
HGEARBG3.0-39-30-B-[12-63/1]-RH
HGEARBG3.0-40-30-B-[12-65/1]-RH
HGEARBG3.0-42-30-B-[20-65/1]-RH
HGEARBG3.0-44-30-B-[20-65/1]-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 28RightBlack OxideRound hole+tap10 ～ 58Shape B

-

1 7 Days 29RightBlack OxideRound hole+tap10 ～ 58Shape B

-

1 7 Days 30RightBlack OxideRound hole+tap10 ～ 60Shape B

-

1 7 Days 32RightBlack OxideRound hole+tap10 ～ 60Shape B

-

1 7 Days 33RightBlack OxideRound hole+tap10 ～ 60Shape B

-

1 7 Days 34RightBlack OxideRound hole+tap12 ～ 63Shape B

-

1 7 Days 35RightBlack OxideRound hole+tap12 ～ 63Shape B

-

1 7 Days 36RightBlack OxideRound hole+tap12 ～ 63Shape B

-

1 7 Days 38RightBlack OxideRound hole+tap12 ～ 63Shape B

-

1 7 Days 39RightBlack OxideRound hole+tap12 ～ 63Shape B

-

1 7 Days 40RightBlack OxideRound hole+tap12 ～ 65Shape B

-

1 7 Days 42RightBlack OxideRound hole+tap20 ～ 65Shape B

-

1 7 Days 44RightBlack OxideRound hole+tap20 ～ 65Shape B

-

1 7 Days 45RightBlack OxideRound hole+tap20 ～ 65Shape B

-

1 7 Days 46RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 48RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 49RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 50RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 51RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 52RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 54RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 55RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 56RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 57RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 58RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 60RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 62RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 63RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 64RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 65RightBlack OxideRound hole+tap25 ～ 68Shape B

-

1 7 Days 66RightBlack OxideRound hole+tap25 ～ 70Shape B

-

1 7 Days 68RightBlack OxideRound hole+tap25 ～ 70Shape B

-

1 7 Days 69RightBlack OxideRound hole+tap25 ～ 70Shape B

-

1 7 Days 70RightBlack OxideRound hole+tap25 ～ 70Shape B

-

1 7 Days 15RightElectroless Nickel PlatingRound hole+tap8 ～ 24Shape B

-

1 7 Days 16RightElectroless Nickel PlatingRound hole+tap8 ～ 28Shape B

-

1 7 Days 17RightElectroless Nickel PlatingRound hole+tap8 ～ 28Shape B

-

1 7 Days 18RightElectroless Nickel PlatingRound hole+tap8 ～ 32Shape B

-

1 7 Days 19RightElectroless Nickel PlatingRound hole+tap8 ～ 33Shape B

-

1 7 Days 20RightElectroless Nickel PlatingRound hole+tap8 ～ 38Shape B

-

1 7 Days 21RightElectroless Nickel PlatingRound hole+tap8 ～ 40Shape B

-

1 7 Days 22RightElectroless Nickel PlatingRound hole+tap8 ～ 42Shape B

-

1 7 Days 23RightElectroless Nickel PlatingRound hole+tap8 ～ 44Shape B

-

1 7 Days 24RightElectroless Nickel PlatingRound hole+tap8 ～ 46Shape B

-

1 7 Days 25RightElectroless Nickel PlatingRound hole+tap8 ～ 48Shape B

-

1 7 Days 26RightElectroless Nickel PlatingRound hole+tap10 ～ 53Shape B

-

1 7 Days 27RightElectroless Nickel PlatingRound hole+tap10 ～ 53Shape B

-

1 7 Days 28RightElectroless Nickel PlatingRound hole+tap10 ～ 58Shape B

-

1 7 Days 29RightElectroless Nickel PlatingRound hole+tap10 ～ 58Shape B

-

1 7 Days 30RightElectroless Nickel PlatingRound hole+tap10 ～ 60Shape B

-

1 7 Days 32RightElectroless Nickel PlatingRound hole+tap10 ～ 60Shape B

-

1 7 Days 33RightElectroless Nickel PlatingRound hole+tap10 ～ 60Shape B

-

1 7 Days 34RightElectroless Nickel PlatingRound hole+tap12 ～ 63Shape B

-

1 7 Days 35RightElectroless Nickel PlatingRound hole+tap12 ～ 63Shape B

-

1 7 Days 36RightElectroless Nickel PlatingRound hole+tap12 ～ 63Shape B

-

1 7 Days 38RightElectroless Nickel PlatingRound hole+tap12 ～ 63Shape B

-

1 7 Days 39RightElectroless Nickel PlatingRound hole+tap12 ～ 63Shape B

-

1 7 Days 40RightElectroless Nickel PlatingRound hole+tap12 ～ 65Shape B

-

1 7 Days 42RightElectroless Nickel PlatingRound hole+tap20 ～ 65Shape B

-

1 7 Days 44RightElectroless Nickel PlatingRound hole+tap20 ～ 65Shape 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 3 Environmentally Friendly RoHS compliant (10 substances) Properties / applications Not Applicable
Material EN 1.1191 Equiv. Face Width(mm) 30

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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

    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.

     [8-70/1]

    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

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