Spur Gears / Contact Angle 20 Degrees / Module 2.0 (Part Numbers - CAD Download)

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Part Numbers
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Dimensional Drawing

Gear Shape

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)

Nominal	P_H7
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

Nominal	b_JS9		t
8 N to 10 N	3	±0.0125	1.4	+0.1 0
10K to 12 N	4	±0.0150	1.8
13 N to 17 N	5		2.3
18 N to 22 N	6		2.8
23 N to 30 N	8	±0.0180	3.3	+0.2 0
31 N to 38 N	10	±0.0180
39 N to 44 N	12	±0.0215
45 N to 50 N	14	±0.0215	3.8

[ ! ] Compliant with JIS B 1301.

Unspecified Dimension Tolerance (Other than the teeth)

Dimension Range		Tolerance (mm)
Over	or Less	Tolerance (mm)
0.5	3	±0.1
3	6	±0.1
6	30	±0.2
30	120	±0.3
120	400	±0.5

[ ! ] Compliant with JIS B 0405 Class m (intermediate).

Type			[M] Material	[S] Surface Treatment	[A]Accessory
Straight Bore	Straight Bore + Tap	Keyway, Keyway + Tap	[M] Material	[S] Surface Treatment	[A]Accessory
GEAHB	GEAB	GEAKB	EN 1.1191 Equiv.	—	Set Screw (EN 1.7220 Equiv., Black Oxide)
GEAHBB	GEABB	GEAKBB		Black Oxide
GEAHBG	GEABG	GEAKBG		Electroless Nickel Plating
GEAHS	GEAS	GEAKS	EN 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
GEAKBG2.0 GEAHG2.0	— —	15 30	— —	20 20	— —	B A	— —	10 N 8

Part Number		Number of Teeth	B	Gear Shape	Shaft Bore Dia. P_H7 Unit: mm		d Reference Circle Dia.	D Addendum Circle Dia.	G Dedendum Circle Dia.	H	L	ℓ₁	ℓ₂	M (Coarse)	* 1 Allowable Transmission Force (N⋅m) Bending Strength
Type	Module	Number of Teeth	B	Gear Shape	Straight Bore Straight Bore + Tap	Keyway Keyway + Tap	d Reference Circle Dia.	D Addendum Circle Dia.	G Dedendum Circle Dia.	H	L	ℓ₁	ℓ₂	M (Coarse)	S45C Equivalent	SUS304
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	2.0	12	15 20	A B	8	8 N	24	28	19	18	25 (B=15) 30 (B=20)	10	5	M5	14.81	8.45
		13			8 to 11		26	30	21	20					16.99	9.69
		14			8 to 11		28	32	23	20					19.22	10.97
		15			8 to 15	8 N to 12 N・10K	30	34	25	24	29 (B=15) 34 (B=20)	14	7		21.50	12.27
		16			8 to 16	8 N to 12 N・10K	32	36	27	25					23.81	13.59
		17			8 to 19	8 N to 14 N・10K	34	38	29	28					26.17	14.93
		18			8 to 21	8 N to 16 N・10K	36	40	31	30					28.56	16.30
		19			8 to 21	8 N to 17 N・10K	38	42	33	31					30.98	17.68
		20			8 to 23	8 N to 18 N・10K	40	44	35	33					33.42	19.07
		21			8 to 23	8 N to 19 N・10K	42	46	37	34					35.89	20.48
		22			8 to 25	8 N to 21 N・10K	44	48	39	36					38.39	21.91
		23			8 to 25	8 N to 22 N・10K	46	50	41	37					40.89	23.33
		24			8 to 28	8 N to 23 N・10K	48	52	43	40					43.43	24.78
		25			8 to 28	8 N to 23 N・10K	50	54	45	40				M6	45.98	26.24
		26			8 to 30	8 N to 27 N・10K	52	56	47	42					48.53	27.70
		27			8 to 33	8 N to 30 N・10K	54	58	49	45					51.12	29.18
		28			8 to 33	8 N to 30 N・10K	56	60	51	45					53.72	30.66
		29			8 to 35	8 N to 31 N・10K	58	62	53	47					56.33	32.15
		30			8 to 36	8 N to 32 N・10K	60	64	55	48					58.94	33.63
		32			8 to 38	8 N to 33 N・10K	64	68	59	50					64.21	36.65
		33			8 to 38	8 N to 33 N・10K	66	70	61						66.86	38.15
		34			10 to 38	10 N to 33 N 10K	68	72	63						69.53	39.68
		35			10 to 40	10 N to 35 N 10K	70	74	65	52					72.19	41.19
		36			10 to 43	10 N to 37 N 10K	72	76	67	55					74.87	42.73
		38					76	80	71						80.27	45.80
		39					78	82	73						82.97	47.35
		40			10 to 48	10 N to 40 N 10K	80	84	75	60					85.67	48.89
		42					84	88	79						91.09	51.98
		44					88	92	83						96.56	55.10
		45					90	94	85						99.28	56.66
		46					92	96	87						102.02	58.22
		48			10 to 50	10 N to 42 N 10K	96	100	91	62					107.52	61.36
		49					98	102	93						110.27	62.93
		50					100	104	95						113.04	64.51
		51			12 to 52	12 N to 44 N	102	106	97						115.77	66.07
		52					104	108	99	65					118.52	67.64
		54					108	112	103						124.06	70.79
		55					110	114	105						126.85	72.38
		56					112	116	107						129.65	73.98
		57					114	118	109						132.41	75.56
		58					116	120	111						135.17	77.14

Part Number		Number of Teeth	B	Gear Shape	Shaft Bore Dia. P_H7 Unit: mm		d Reference Circle Dia.	D Addendum Circle Dia.	G Dedendum Circle Dia.	H	L	ℓ₁	ℓ₂	M (Coarse)	* 1 Allowable Transmission Force (N⋅m) Bending Strength
Type	Module	Number of Teeth	B	Gear Shape	Straight Bore Straight Bore + Tap	Keyway Keyway + Tap	d Reference Circle Dia.	D Addendum Circle Dia.	G Dedendum Circle Dia.	H	L	ℓ₁	ℓ₂	M (Coarse)	S45C Equivalent	SUS304
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	2.0	60	15 20	A B	12 to 52	12 N to 44 N	120	124	115	65	29 (B=15) 34 (B=20)	14	7	M6	140.75	80.32
		62			15 to 52	15 N to 44 N	124	128	119						146.36	83.53
		63					126	130	121						149.12	85.10
		64					128	132	123						151.96	86.72
		65					130	134	125						154.74	88.31
		66					132	136	127						157.52	89.90
		68					136	140	131						163.13	93.09
		69					138	142	133						165.94	94.70
		70					140	144	135						168.76	96.30
		72					144	148	139						174.35	99.50
		75			20 to 52	20 N to 44 N	150	154	145						182.82	104.33
		76					152	156	147						185.61	105.92
		77					154	158	149						188.48	107.56
		78					156	160	151						191.29	109.16
		80					160	164	155						196.90	112.37
		81			20 to 55	20 N to 47 N	162	166	157	70					199.72	113.97
		84					168	172	163						208.20	118.81
		85					170	174	165						210.98	120.43
		88					176	180	171						219.59	125.31
		90					180	184	175						225.22	128.52
		91					182	186	177						228.09	130.16
		92					184	188	179						230.87	131.75
		95					190	194	185						239.42	136.63
		96					192	196	187						186.40	106.37
		98					196	200	191						190.70	108.82
		99					198	202	193						192.94	110.10
		100					200	204	195						195.09	111.33

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 15 mm under the prescribed conditions.

Alterations

Set Screw Alteration

Tapped Hole Dimension Change

Root matching

Code

KC90·KC120

TPC

GBA

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

M	TPC
M4	M3 M5
M5	M4 M6

Alterations

Stepped Hole

Both Ends Stepped Hole

Hub Cut

Code

DHL·DHR

WDH

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

Alterations

Retaining Ring Groove Dim.

Side Slotted Hole

Code

SRG

LFC·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.)
Z_H7	d₂	Tolerance	m	Tolerance	n (Min.)	Z_H7	d₂	Tolerance	m	Tolerance	n (Min.)
10	10.4	+0.11 0	1.15	+0.14 0	1.5	24	25.2	+0.21 0	1.35	+0.14 0	1.5
11	11.4					25	26.2
12	12.5					26	27.2
13	13.6					28	29.4
14	14.6					30	31.4	+0.25 0
15	15.7					32	33.7
16	16.8					35	37		1.65		2
17	17.8					37	39		1.65
19	20	+0.21 0				40	42.5		1.9
20	21					42	44.5
21	22					45	47.5
22	23					47	49.5
						52	55	+0.3 0	2.2	+0.14 0	2
						55	58
						60	63
						62	65
						68	71		2.7		2.5
						72	75
						80	83.5	+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
M3	3.5
M4	4.5
M5	5.5
M6	6.5

Alterations

Side Through Hole

Side Tapped Hole

Side Counterbored

Code

KFC·KTC

QFC·QTC

ZFC·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 Selection	U₁	U₂	F
3	6.5	3.5	3.5
4	8	4.5	4.5
5	9.5	5.5	5.5
6	11	6.5	6.5

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.

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
GEAKS2.0-36-15-A-21N
GEAKS2.0-36-15-A-22N
GEAKS2.0-36-15-A-23N
GEAKS2.0-36-15-A-24N
GEAKS2.0-36-15-A-25N
GEAKS2.0-36-15-A-26N
GEAKS2.0-36-15-A-27N
GEAKS2.0-36-15-A-28N
GEAKS2.0-36-15-A-29N
GEAKS2.0-36-15-A-30N
GEAKS2.0-36-15-A-31N
GEAKS2.0-36-15-A-32N
GEAKS2.0-36-15-A-33N
GEAKS2.0-36-15-A-34N
GEAKS2.0-36-15-A-35N
GEAKS2.0-36-15-A-36N
GEAKS2.0-36-15-A-37N
GEAKS2.0-36-15-B-10K
GEAKS2.0-36-15-B-10N
GEAKS2.0-36-15-B-11N
GEAKS2.0-36-15-B-12N
GEAKS2.0-36-15-B-13N
GEAKS2.0-36-15-B-14N
GEAKS2.0-36-15-B-15N
GEAKS2.0-36-15-B-16N
GEAKS2.0-36-15-B-17N
GEAKS2.0-36-15-B-18N
GEAKS2.0-36-15-B-19N
GEAKS2.0-36-15-B-20N
GEAKS2.0-36-15-B-21N
GEAKS2.0-36-15-B-22N
GEAKS2.0-36-15-B-23N
GEAKS2.0-36-15-B-24N
GEAKS2.0-36-15-B-25N
GEAKS2.0-36-15-B-26N
GEAKS2.0-36-15-B-27N
GEAKS2.0-36-15-B-28N
GEAKS2.0-36-15-B-29N
GEAKS2.0-36-15-B-30N
GEAKS2.0-36-15-B-31N
GEAKS2.0-36-15-B-32N
GEAKS2.0-36-15-B-33N
GEAKS2.0-36-15-B-34N
GEAKS2.0-36-15-B-35N
GEAKS2.0-36-15-B-36N
GEAKS2.0-36-15-B-37N
GEAKS2.0-36-20-A-10K
GEAKS2.0-36-20-A-10N
GEAKS2.0-36-20-A-11N
GEAKS2.0-36-20-A-12N
GEAKS2.0-36-20-A-13N
GEAKS2.0-36-20-A-14N
GEAKS2.0-36-20-A-15N
GEAKS2.0-36-20-A-16N
GEAKS2.0-36-20-A-17N
GEAKS2.0-36-20-A-18N
GEAKS2.0-36-20-A-19N
GEAKS2.0-36-20-A-20N
GEAKS2.0-36-20-A-21N
GEAKS2.0-36-20-A-22N

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Number 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	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	21	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	22	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	23	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	24	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	25	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	26	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	27	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	28	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	29	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	30	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	31	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	32	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	33	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	34	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	35	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	36	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	37	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	10	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	10	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	11	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	12	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	13	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	14	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	15	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	16	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	17	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	18	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	19	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	20	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	21	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	22	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	23	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	24	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	25	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	26	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	27	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	28	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	29	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	30	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	31	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	32	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	33	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	34	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	35	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	36	15	JIS B 1702 Class 4
-	1	7 Days	-	36	[Stainless Steel] EN 1.4301 Equiv.	Shape B	Not Provided	Keyway + Tap	37	15	JIS B 1702 Class 4
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	10	20	JIS B 1702 (Class 4)
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	10	20	JIS B 1702 (Class 4)
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	11	20	JIS B 1702 (Class 4)
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	12	20	JIS B 1702 (Class 4)
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	13	20	JIS B 1702 (Class 4)
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	14	20	JIS B 1702 (Class 4)
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	15	20	JIS B 1702 (Class 4)
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	16	20	JIS B 1702 (Class 4)
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	17	20	JIS B 1702 (Class 4)
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	18	20	JIS B 1702 (Class 4)
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	19	20	JIS B 1702 (Class 4)
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	20	20	JIS B 1702 (Class 4)
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	21	20	JIS B 1702 (Class 4)
-	1	10 Days	10	36	[Stainless Steel] EN 1.4301 Equiv.	Shape A	Not Provided	Keyway	22	20	JIS 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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3,244Suggestion of an applicable part number.

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Basic Attributes

Number of Teeth(Teeth)
12

13

14

15

16

17

18

19

20

21

22

23

24

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26

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28

29

30

32

33

34

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36

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66

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81

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91

92

95

96

98

99

100
Clear
Material (Details)
- General Steel Material
  - EN 1.1191 Equiv.
- Stainless Steel
  - EN 1.4301 Equiv.
Clear
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

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21

22

23

24

25

26

27

28

29

30

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33

34

35

36

37

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41

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43

44

45

46

47
[8-55/1Ø Unit(s)]
Clear
Tooth Width B(mm)
15

20
Clear
Type
- GEAB2.0
- GEABB2.0
- GEABG2.0
- GEAHB2.0
- GEAHBB2.0
- GEAHBG2.0
- GEAHS2.0
- GEAKB2.0
- GEAKBB2.0
- GEAKBG2.0
- GEAKS2.0
- GEAS2.0
Clear
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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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.