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Spur Gears / Contact Angle 20 Degrees / Module 2.5 (Part Numbers - CAD Download)

Spur Gears / Contact Angle 20 Degrees / Module 2.5
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MISUMI

MISUMI

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Unit еxample related to this product
Cylinder stroke with rack and gear mechanism
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Dimensional Drawing

Shape A

[NG] Tapped shaft bores are not available for 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)
[!] Relative positioning of keyway and teeth is not fixed.
　　To match, specify GBA for alteration.
Tooth surface accuracy Equivalent to the new JIS B 1702-1 Class 8
(Old JIS B 1702 Class 4)
 
 
 
Keyway Dimensional Tolerance
T Dim. Tolerance (H7)
NominalPH7
8 N to 10K+0.015
　0
11 N to 18 N+0.018
   0
19 N to 30 N+0.021
   0
31 N to 50 N+0.025
   0
[ ! ] Compliant with JIS B 0401-2.
Keyway Dimensional Tolerance
NominalbJS9t
8 N to 10 N3±0.01251.4+0.1
   0
10K to 12 N4±0.01501.8
13 N to 17 N52.3
18 N to 22 N62.8
23 N to 30 N8±0.01803.3+0.2
   0
31 N to 38 N10
39 N to 44 N12±0.0215
45 N to 50 N143.8
[ ! ] Compliant with JIS B 1301.
 
Unspecified Dimension Tolerance (Other than the teeth)
Dimension RangeTolerance
(mm)
Overor Less
0.53±0.1
36±0.1
630±0.2
30120±0.3
120400±0.5
[ ! ] Compliant with JIS B 0405 Class m (intermediate).
Type[M] Material[S] Surface Treatment[A]Accessory
Straight BoreStraight Bore + TapKeyway, Keyway + Tap
GEAHBGEABGEAKBEN 1.1191 Equiv.—Set Screw
(EN 1.7220 Equiv., Black Oxide)
GEAHBBGEABBGEAKBBBlack Oxide
GEAHBGGEABGGEAKBGElectroless Nickel Plating
GEAHSGEASGEAKSEN 1.4301 Equiv.—Set Screw (EN 1.4301 Equiv.)
[ ! ] The set screw is not included only for shaft bore specification "Straight Bore."
[ ! ] The set screw is included for shaft hole specification "Tapped."

Specification Table

Part Number—Number of Teeth—B—Gear
Shape		—P
GEAB2.5
GEAKB2.5		—
—		15
30		—
—		25
25		—
—		B
A		—
—		8
10 N
Part NumberNumber of TeethBGear ShapeShaft Bore Dia. PH7
Unit: mm		d
Reference Circle
Dia.		D
Addendum Circle
Dia.		G
Dedendum Circle
Dia.		HLℓ1ℓ2M
(Coarse)		* 1 Allowable Transmission Force
(N⋅m)
Bending Strength
TypeModuleStraight Bore
Straight Bore + Tap		Keyway
Keyway + Tap		S45C EquivalentSUS304
Straight Bore
(Shape A, Shape B)
GEAHB
GEAHBB
GEAHBG
GEAHS


Straight Bore + Tap
(Shape B)
GEAB
GEABB
GEABG
GEAS

Keyway
(Shape A)
Keyway + Tap
(Shape B)
GEAKB
GEAKBB
GEAKBG
GEAKS		2.5 1220

25		A

B		8 to 138 N303523.752332
(B=20)
37
(B=25)		126M530.8617.61
1332.537.526.2535.3820.19
148 to 158 N to 12 N・10K354028.752536
(B=20)

41
(B=25)		16840.0322.85
158 to 208 N to 15 N・10K37.542.531.253044.7825.55
168 to 228 N to 17 N・10K404533.753249.6028.30
178 to 248 N to 19 N・10K42.547.536.253554.5131.10
188 to 268 N to 22 N・10K455038.753859.5033.95
198 to 2747.552.541.253964.5436.82
208 to 288 N to 23 N・10K505543.754069.6339.74
218 to 308 N to 27 N・10K52.557.546.254274.7642.66
228 to 328 N to 29 N・10K556048.754479.9745.63
238 to 348 N to 30 N・10K57.562.551.254685.1848.61
248 to 368 N to 32 N・10K606553.754890.4651.62
258 to 388 N to 33 N・10K62.567.556.2550M695.7854.66
268 to 438 N to 37 N・10K657058.7555101.1057.70
278 to 488 N to 40 N・10K67.572.561.2560106.5060.78
28707563.75111.9263.87
298 to 498 N to 41 N・10K72.577.566.2562117.3566.97
308 to 518 N to 43 N・10K758068.7565122.7870.06
328 to 558 N to 47 N・10K808573.7570133.7876.34
3382.587.576.25139.2879.48
3410 to 5510 N to 47 N
10K		859078.75144.8682.66
3587.592.581.25150.3985.82
3610 to 5710 N to 49 N
10K		909583.7575155.9889.01
389510088.75167.2295.42
3997.5102.591.25172.8698.64
4010 to 6010 N to 50 N
10K		10010593.7580178.46101.84
4210511098.75189.76108.29
44110115103.75201.16114.79
45112.5117.5106.25206.83118.03
46115120108.75212.54121.29
48120125113.7585224.00127.82
49122.5127.5116.25229.73131.10
5012 to 6012 N to 50 N125130118.75235.50134.38
5115 N to 50 N127.5132.5121.25241.19137.64
5215 to 60130135123.75246.91140.90
54135140128.75258.45147.49
55137.5142.5131.25264.26150.80
56140145133.75270.10154.13
57142.5147.5136.25275.85157.41
58145150138.75281.62160.70
6025 to 6025 N to 50 N150155143.75293.22167.33
62155160148.75304.93174.01
63157.5162.5151.25310.68177.29
64160165153.75316.58180.66
65162.5167.5156.25322.38183.96
66165170158.75328.18187.28
68170175163.75339.84193.93
69172.5177.5166.25345.70197.27
70175180168.75351.58200.63
72180185173.75363.22207.27
75187.5192.5181.25380.88217.35
76190195183.75386.69220.66
77192.5197.5186.25302.06172.37
78195200188.75306.54174.93
80200205193.75315.54180.06
[NG] Shaft bore diameter 9N is not available for Keyway Bore + Tap.
[!] Specify 10K as P dimension if keyway width of 4.0 mm (height 1.8 mm) for Keyway + Tap with shaft bore diameter of 10 is desired.
* 1 Allowable Transmission Forces in the table are reference values calculated by assuming a tooth width as 20 mm under the prescribed conditions.

Alterations

AlterationsSet Screw AlterationTapped Hole Dimension ChangeRoot matching
CodeKC90·KC120TPCGBA
Spec.KC90: Adds another set screw at 90° position.
KC120: Adds another set screw at 120° position.
A set screw is added.
Ordering Code KC90
Applicable Conditions [NG] Not applicable to Shape A [NG] Not applicable to Straight Bore Type
      KC90 KC20		Changes the tapped hole dimension.
Ordering Code TPC4
Applicable Conditions [NG] Not applicable to Shape A [NG] Not applicable to Straight Bore Type
Standard Conditions [ ! ] ℓ1 - ℓ2 > TPC/2
 		Align the bottom of the gear tooth with the keyway and tap phase.
Phase Adjustment Tolerance ±0.3 (Reference Value)
Ordering Code GBA
Applicable Conditions [ ! ] Applicable to 19 teeth or more

 
MTPC
M4 M3 M5 
M5 M4 M6 
AlterationsStepped HoleBoth Ends Stepped HoleHub Cut
CodeDHL·DHRWDHBS
Spec.Changes shaft bores to stepped bores.
Dimension Increments Z: 1 mm Increments J: 0.1 mm Increments
Ordering Code DHL-Z20-4.0
Applicable Conditions [ ! ] Applicable only to Straight Bore Type [NG] Not applicable to Shape K
Standard conditions
·DHL·DHR
[ ! ] Shape A P + 2 ≤ Z ≤ G－4, 2 ≤ J ≤ B－3[ ! ] Shape A P + 2 ≤ Z ≤ G－4, 2 ≤ J ≤ B－3
[ ! ] Shape B P + 2 ≤ Z ≤ G - 4,2 ≤ J ≤ L - 3[ ! ] Shape B P + 2 ≤ Z ≤ H−4, 2 ≤ J ≤ ℓ1
Changes shaft bores to both ends stepped hole.
Dimension Increments Q, R, S, T: 1 mm Increments S, T ≥ 3
Ordering Code WDH-Q10-R10-S3-T3
Applicable Conditions [ ! ] Applicable only to Straight Bore Type [NG] Not applicable to Shape K
Standard conditions
·Shape A· Shape B
[ ! ]P+2 ≤ Q,R ≤ G－4[ ! ]P+2 ≤ Q,R ≤ H－4
[ ! ]S+T ≤ B－3[ ! ] S + T ≤ L - 3 Shaft hole Dia. P is general tolerance
Cuts the hub length to the specified length.     
Increments 0.5 mm
Ordering Code BS6.5
Applicable Conditions [NG] Not applicable to Shape A, K
Standard conditions
[!] Straight Bore: 0 ≤ BS ≤ ℓ1
[!] Straight Bore + Tapped Type: BS=0;
      M+3 ≤ BS ≤ ℓ1
" ! " Keyway + Tapped Type: BS=0;
      M+3 ≤ BS ≤ ℓ1
[ ! ] If BS = 0, no tapped hole
AlterationsRetaining Ring Groove Dim.Side Slotted Hole
CodeSRGLFC·LTC
Spec.Retaining Ring Groove applicable to the shaft dia. of stepped hole is machined.      
Dimension Increments 3.5 to 0.5 mm
Ordering Code SRG7
Applicable Conditions
[ ! ] Applicable only to shaft bore specifications DHL and DHR
[ ! ] Standards of retaining ring groove for Z dim. is applied
Standard conditions
[ ! ] n ≤ J-SRG-m


 		■Retaining Ring Groove Dim.
n
(Min.)		n
(Min.)
ZH7d2TolerancemToleranceZH7d2TolerancemTolerance
1010.4+0.11
   0		1.15+0.14
   0		1.52425.2+0.21
   0		1.35+0.14
   0		1.5
1111.42526.2
1212.52627.2
1313.62829.4
1414.63031.4+0.25
   0
1515.73233.7
1616.835371.652
1717.83739
1920+0.21
   0		4042.51.9
20214244.5
21224547.5
22234749.5
5255+0.3
   0		2.2+0.14
   0		2
5558
6063
6265
68712.72.5
7275
8083.5+0.35
   0
Machines slotted holes on the side surface (30°).
Dimension Increments LFC, LTC: 1 mm Increments
Select M M3, M4, M5, M6
Ordering Code LFC20-M3
Applicable Conditions [ ! ] Applicable to Shape A only
Standard Conditions [ ! ] P + C + 4 ≤ LFC (LTC) ≤ G - C- 4   




 
  M    C     
M33.5
M44.5
M55.5
M66.5




















 
AlterationsSide Through HoleSide Tapped HoleSide Counterbored
CodeKFC·KTCQFC·QTCZFC·ZTC
Spec.Machines through holes on the side surface.
Increments KFC, KTC: 1 mm Increments
             K: 0.5 mm Increments
K selection K3.0 to K6.0
Ordering Code KFC20-K3.5
Applicable Conditions [NG] Not applicable to Shape K
Shape A
Standard Conditions [ ! ] P + K + 4 ≤ KFC (KTC) ≤ G - K - 4

 		Machines tapped holes on the side surface of the gear.
Dimension Increments QFC, QTC: 1 mm Increments
Select M M3, M4 [ ! ] Tapped hole depth M × 2.0
                        (When B < M × 2.0, through)
          Machining datum plane selection is required for Shape B, L-side specification symbol LL,
R-side specification symbol RR
Applicable Conditions [NG] Not applicable to Shape K
Shape A
Ordering Code QFC25-M3
Standard Conditions [ ! ] P + M + 4 ≤ QFC (QTC) ≤ G - M - 4		Machines counterbored holes on the side surface.
Dimension Increments ZFC, ZTC: 1 mm Increments
Select U U3, U4, U5, U6
          Machining datum plane selection required for Shape B, L-side specification symbol LL, R-side specification symbol RR
Applicable Conditions [ ! ] Applicable to Standard Type only
[NG] Not applicable to Shape K
Shape A
Ordering Code ZFC20-U3
Standard conditions [ ! ] P + U1 + 3 ≤ ZFC (ZTC) ≤ G - U1- 4
 
U SelectionU1U2F
36.53.53.5
484.54.5
59.55.55.5
6116.56.5
Shape B
Standard conditions [ ! ] P + K + 4 ≤ KFC (KTC) ≤ H - K - 4
[ ! ]H+K+4 ≤ KFC (KTC) ≤ G－K－4
 		Shape B
Ordering Code R-side specification: QFC25-M3-RR, L-side specification: QFC25－M3－LL
Standard Conditions [ ! ] P + M + 4 ≤ QFC (QTC) ≤ H - M - 4
[ ! ]H+M+4 ≤ QFC (QTC) ≤ G－M－4		Shape B
Ordering Code R-side specification: ZFC20-U3-RR, L-side specification: ZFC20－U3－LL
Standard Conditions [ ! ] P + U1 + 3 ≤ ZFC (ZTC) ≤ H - U1-4
[ ! ]H+U1+4 ≤ ZFC (ZTC) ≤ G－U1－4




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

General Information - Spur Gears

Spur gears - front gear with through hole - spur gear with spring pin - spur gear made of brass - brass pinion - plastic - spur gear with ball bearing

 

Selection details of spur gears

- Material: steel, stainless steel, sintered steel, nylon, polyacetal, brass, aluminum, cast iron

- Coatings: burnished, nickel-plated

- Heat treatment: induction hardened

- Shaft diameter tolerances: H7, H8

- Tooth flank clearance: N5, N7, N8, N9, N12

- Module: 0.3, 0.5, 0.75, 0.8, 1, 1.25, 1.5, 2, 2.5, 3, 4, 4.5, 5, 6, 8, 10, 15, 20

- Pressure angle: 20°

- Shaft diameter: 2 mm to 50 mm

- Number of teeth: 8 to 200

- Tooth width: 2 mm to 90 mm

 

Description/Basics

The spur gears offered are generally machine elements that serve the non-slip transmission of force, movement transmission or movement change. The teeth of the cylinder wheels grip each other during transmission and largely roll over the tooth flanks. The tooth shape of the spur gear is convexly shaped in the shaped tooth system. At the beginning of the intervention, a rolling resistance acts on the tooth flank, which becomes a sliding friction in the course of the rotation.

A combination of gear wheels and rack gears is useful in the construction of rack gear. This allows motor rotary motion or other rotary motion to be converted into linear motion. rack gear boxes are theoretically possible in an endless assembly. Limits here only set the length of the rack gears for the rack gear drive.

Gear wheels with straight gearing are particularly suitable for the construction of gearboxes. The advantage of straight gearing as opposed to helical gears, is the possibility of transmitting a higher torque. It should be noted that with increasing speed within the transmission ratio or reduction, the torque to be transmitted decreases.

When designing spur gear pairs, the ratio of the gear ratio (number of teeth) and the module of the respective gear wheels must be observed.
The backlash is another important factor that must be considered during construction. Reverse play is understood as the result of the play that the change in the direction of rotation of a single gear wheel pair between the teeth. The risk of reverse play can be reduced if either the diameter or the number of teeth of the cogwheel pairing do not deviate too much from one another. If high wear is to be expected due to the pairing of gears, the MISUMI online shop offers gears with a hardened key-type.

For applications with the same rotational direction, it is possible to use an intermediate gear with integrated bearing on a cantilever shaft. The bearing number used can be found under the tab More Information. An overview of tolerances and permissible radial bearing deviations can be found in the following PDF.

In addition to gear wheels, MISUMI also offers suitable rotary shafts for the construction of a transmission. The straight front wheels can be assembled on these and secured with a set screw or machine keys (key with adjusting screw). This PDF provides an overview of the configurable mountings for the shaft rotation and keyway tolerances.
The continuous adjusting of a spur gear can be realized, among other things, by means of a clamping sleeve. The MISUMI online shop offers spur gears with clamping sleeve. Alternatively, we also offer individual keyless bushing that you can customize to your needs.

 

Application Examples - Spur Gears

Application example: workpiece transport - spur gear - rack gear - roller bearings - workpiece

Application example - spur gear with rack gear
(1) Spur gear, (2) Clamping knobs, (3) Rack gear

Application example: rack gear - spur gear with rack gear - handle - rotary handle

Application example - spur gear
(1) Spur gear, (2) Workpiece, (3) Rollers

 

Industrial Applications

3D printer industry
Automotive industry
Pharmaceutical industry
Packaging industry

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Part Number
GEAHS2.5-42-20-A-[10-60/1]
GEAHS2.5-42-20-B-[10-60/1]
GEAHS2.5-44-20-A-[10-60/1]
GEAHS2.5-44-20-B-[10-60/1]
GEAHS2.5-45-20-A-[10-60/1]
GEAHS2.5-45-20-B-[10-60/1]
GEAHS2.5-46-20-A-[10-60/1]
GEAHS2.5-46-20-B-[10-60/1]
GEAHS2.5-48-20-A-[10-60/1]
GEAHS2.5-48-20-B-[10-60/1]
GEAHS2.5-49-20-A-[10-60/1]
GEAHS2.5-49-20-B-[10-60/1]
GEAHS2.5-49-25-A-[10-60/1]
GEAHS2.5-49-25-B-[10-60/1]
GEAHS2.5-50-20-A-[12-60/1]
GEAHS2.5-50-20-B-[12-60/1]
GEAHS2.5-51-20-A-[12-60/1]
GEAHS2.5-51-20-B-[12-60/1]
GEAHS2.5-51-25-A-[12-60/1]
GEAHS2.5-51-25-B-[12-60/1]
GEAHS2.5-52-20-A-[15-60/1]
GEAHS2.5-52-20-B-[15-60/1]
GEAHS2.5-54-20-A-[15-60/1]
GEAHS2.5-54-20-B-[15-60/1]
GEAHS2.5-55-20-A-[15-60/1]
GEAHS2.5-55-20-B-[15-60/1]
GEAHS2.5-56-20-A-[15-60/1]
GEAHS2.5-56-20-B-[15-60/1]
GEAHS2.5-57-20-A-[15-60/1]
GEAHS2.5-57-20-B-[15-60/1]
GEAHS2.5-57-25-A-[15-60/1]
GEAHS2.5-57-25-B-[15-60/1]
GEAHS2.5-58-20-A-[15-60/1]
GEAHS2.5-58-20-B-[15-60/1]
GEAHS2.5-60-20-A-[25-60/1]
GEAHS2.5-60-20-B-[25-60/1]
GEAHS2.5-62-20-A-[25-60/1]
GEAHS2.5-62-20-B-[25-60/1]
GEAHS2.5-63-20-A-[25-60/1]
GEAHS2.5-63-20-B-[25-60/1]
GEAHS2.5-63-25-A-[25-60/1]
GEAHS2.5-63-25-B-[25-60/1]
GEAHS2.5-64-20-A-[25-60/1]
GEAHS2.5-64-20-B-[25-60/1]
GEAHS2.5-65-20-A-[25-60/1]
GEAHS2.5-65-20-B-[25-60/1]
GEAHS2.5-65-25-A-[25-60/1]
GEAHS2.5-65-25-B-[25-60/1]
GEAHS2.5-66-20-A-[25-60/1]
GEAHS2.5-66-20-B-[25-60/1]
GEAHS2.5-66-25-A-[25-60/1]
GEAHS2.5-66-25-B-[25-60/1]
GEAHS2.5-68-20-A-[25-60/1]
GEAHS2.5-68-20-B-[25-60/1]
GEAHS2.5-68-25-A-[25-60/1]
GEAHS2.5-68-25-B-[25-60/1]
GEAHS2.5-69-20-A-[25-60/1]
GEAHS2.5-69-20-B-[25-60/1]
GEAHS2.5-69-25-A-[25-60/1]
GEAHS2.5-69-25-B-[25-60/1]
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSNumber of Teeth
(Teeth) 		Material (Details) Shape Surface Treatment Shaft Bore Config. Shaft Bore Dia.
(Ø) 		Tooth Width B
(mm) 		Precision
(Old JIS)

-

1 7 Days -42[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole10 ～ 6020JIS B 1702 Class 4

-

1 7 Days -42[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole10 ～ 6020JIS B 1702 Class 4

-

1 7 Days -44[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole10 ～ 6020JIS B 1702 Class 4

-

1 7 Days -44[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole10 ～ 6020JIS B 1702 Class 4

-

1 7 Days -45[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole10 ～ 6020JIS B 1702 Class 4

-

1 7 Days -45[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole10 ～ 6020JIS B 1702 Class 4

-

1 7 Days -46[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole10 ～ 6020JIS B 1702 Class 4

-

1 7 Days -46[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole10 ～ 6020JIS B 1702 Class 4

-

1 7 Days -48[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole10 ～ 6020JIS B 1702 Class 4

-

1 7 Days -48[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole10 ～ 6020JIS B 1702 Class 4

-

1 7 Days -49[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole10 ～ 6020JIS B 1702 Class 4

-

1 7 Days -49[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole10 ～ 6020JIS B 1702 Class 4

-

1 7 Days -49[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole10 ～ 6025JIS B 1702 Class 4

-

1 7 Days -49[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole10 ～ 6025JIS B 1702 Class 4

-

1 7 Days -50[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole12 ～ 6020JIS B 1702 Class 4

-

1 7 Days -50[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole12 ～ 6020JIS B 1702 Class 4

-

1 7 Days -51[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole12 ～ 6020JIS B 1702 Class 4

-

1 7 Days -51[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole12 ～ 6020JIS B 1702 Class 4

-

1 7 Days -51[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole12 ～ 6025JIS B 1702 Class 4

-

1 7 Days -51[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole12 ～ 6025JIS B 1702 Class 4

-

1 7 Days -52[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole15 ～ 6020JIS B 1702 Class 4

-

1 7 Days -52[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole15 ～ 6020JIS B 1702 Class 4

-

1 7 Days -54[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole15 ～ 6020JIS B 1702 Class 4

-

1 7 Days -54[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole15 ～ 6020JIS B 1702 Class 4

-

1 7 Days -55[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole15 ～ 6020JIS B 1702 Class 4

-

1 7 Days -55[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole15 ～ 6020JIS B 1702 Class 4

-

1 7 Days -56[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole15 ～ 6020JIS B 1702 Class 4

-

1 7 Days -56[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole15 ～ 6020JIS B 1702 Class 4

-

1 7 Days -57[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole15 ～ 6020JIS B 1702 Class 4

-

1 7 Days -57[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole15 ～ 6020JIS B 1702 Class 4

-

1 7 Days -57[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole15 ～ 6025JIS B 1702 Class 4

-

1 7 Days -57[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole15 ～ 6025JIS B 1702 Class 4

-

1 7 Days -58[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole15 ～ 6020JIS B 1702 Class 4

-

1 7 Days -58[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole15 ～ 6020JIS B 1702 Class 4

-

1 7 Days -60[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -60[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -62[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -62[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -63[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -63[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -63[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole25 ～ 6025JIS B 1702 Class 4

-

1 7 Days -63[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole25 ～ 6025JIS B 1702 Class 4

-

1 7 Days -64[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -64[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -65[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -65[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -65[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole25 ～ 6025JIS B 1702 Class 4

-

1 7 Days -65[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole25 ～ 6025JIS B 1702 Class 4

-

1 7 Days -66[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -66[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -66[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole25 ～ 6025JIS B 1702 Class 4

-

1 7 Days -66[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole25 ～ 6025JIS B 1702 Class 4

-

1 7 Days -68[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -68[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -68[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole25 ～ 6025JIS B 1702 Class 4

-

1 7 Days -68[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole25 ～ 6025JIS B 1702 Class 4

-

1 7 Days -69[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -69[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole25 ～ 6020JIS B 1702 Class 4

-

1 7 Days -69[Stainless Steel] EN 1.4301 Equiv.Shape ANot ProvidedRound Hole25 ～ 6025JIS B 1702 Class 4

-

1 7 Days -69[Stainless Steel] EN 1.4301 Equiv.Shape BNot ProvidedRound Hole25 ～ 6025JIS B 1702 Class 4

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Basic information

RoHS Information RoHS Requirements Fulfilled Features, Areas of Application Not Applicable Ground Tooth Not Provided
Backlash Provided Heat Treatment No Bushing Without Bushing
Shaft Bore Tolerance H7 Bearing Without Bearing

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2,424Suggestion of an applicable part number.

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The part number is completed.

Basic Attributes

  • Number of Teeth(Teeth)

    • 12
    • 13
    • 14
    • 15
    • 16
    • 17
    • 18
    • 19
    • 20
    • 21
    • 22
    • 23
    • 24
    • 25
    • 26
    • 27
    • 28
    • 29
    • 30
    • 32
    • 33
    • 34
    • 35
    • 36
    • 38
    • 39
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    • 42
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    • 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

    Clear

  • Material (Details)

    • General Steel Material
      • EN 1.1191 Equiv.
    • Stainless Steel
      • EN 1.4301 Equiv.

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  • Shape

    • Shape A
    • Shape B

    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.(Ø)

    • 8
    • 10
    • 11
    • 12
    • 13
    • 14
    • 15
    • 16
    • 17
    • 18
    • 19
    • 20
    • 21
    • 22
    • 23
    • 24
    • 25
    • 26
    • 27
    • 28
    • 29
    • 30
    • 31
    • 32
    • 33
    • 34
    • 35
    • 36
    • 37
    • 38
    • 39
    • 40
    • 41
    • 42
    • 43
    • 44
    • 45
    • 46
    • 47
    • 48
    • 49
    • 50

     [8-60/1Ø Unit(s)]

    Clear

  • Tooth Width B(mm)

    • 20
    • 25

    Clear

  • Type

    • GEAB2.5
    • GEABB2.5
    • GEABG2.5
    • GEAHB2.5
    • GEAHBB2.5
    • GEAHBG2.5
    • GEAHS2.5
    • GEAKB2.5
    • GEAKBB2.5
    • GEAKBG2.5
    • GEAKS2.5
    • GEAS2.5

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  • Filter by CAD data type

    • 2D
    • 3D

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Filter by standard shipping days

    • All
    • 7 Days or Less
    • 10 Days or Less

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Optional Attributes

Frequently Asked Questions (FAQ)

Question:

Can different modules be combined with each other?
Answer:

Since the module describes the division of the teeth along the pitch circle diameter, various modules cannot be combined into one pair of gears.
Question:

What is involute gearing?
Answer:

Evolved gearing is understood to be the convex production of a tooth flank. The sliding friction along the tooth flank can thus be minimized. This also reduces wear and tear.
Question:

What is the pressure angle?
Answer:

The pressure angle is defined as the angle of the highest drive force between two gears. A combination of different pressure angles is not recommended, since increased wear is to be expected.
Question:

Is the position of the keyway to the key-type specified?
Answer:

The keyway has no specified position reference to the tooth base or the head surface of the sprocket.
Question:

What is the reverse clearance?
Answer:

The reverse play arises at the moment of the direction of rotation of a spur gear pairing is changed. It describes the gap between the gear flanks of each tooth in engagement.

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