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S3S20B-2218

type Shaft Bore Dia., Shaft Dia. d Gear Shape Number of Teeth Tooth Width B Shaft Bore Tolerance Shaft Hole Specifications Shape (details) CAD Days to Ship

Specification/Dimensions

type
- S3S
Clear
Shaft Bore Dia., Shaft Dia. d(Ø)
16

17

18

19

20

21

22

25
Clear
Gear Shape
- Shape A
- Shape B
Clear
Number of Teeth(Teeth)
14

15

16

18

20

24

25

28

30

32

36

40

48

50

56

60
Clear
Tooth Width B(mm)
20

22

30

32

35
Clear
Shaft Bore Tolerance
- Not specified
- H7
Clear
Shaft Hole Specifications
- Shaft hole processed products
- Standard shaft hole product
Clear
Shape (details)
A1

B1
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

7 Day(s) or Less

8 Day(s) or Less

14 Day(s) or Less
Clear

Specify Alterations

Spur Gear Module 3 S45C Type (S3S20B-2218)

Name: Spur Gear Module 3 S45C Type
Brand: KYOUIKU GEAR MFG（KG）
Price: 1971.95 INR
Availability: PreOrder

Spur Gear Module 3 S45C Type (S3S20B-2218)

Brand :

KYOUIKU GEAR MFG...

KYOUIKU GEAR MFG（KG）

Order Qty :
Total Price :

---
Days to ship :

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Select part number to Order Now/ Add to Cart

CAD Download

(i)
Caution

Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.

Product Description

Space-saving, lighter weight spur gear with module 3.0 and a pressure angle of 20° (full depth tooth) and, made of S45C material
[Features]
·KG standard comes in parallel width (for light loads) and wide width (for heavy loads), selectable according to your application.
· Gear precision grade is JIS B 1702-1 (ISO) Grade 8 (Gear induction hardened part: Grade 9).
· Shape A: without hub, B: with single hub, BF: additional expansion product with single hub.
· For shaft fastening, "-" is without keyway or screw, "=" is with keyway and "#" is with keyway, screw hole, key material and screw.
· Space-saving, lighter, no need for fastening (=, #).
· Products with "H" added to the suffix are gear induction hardened. Holes are not modified after hardening for HRC 47 to 53.
[Applications]
· Equipment power transmission, drive and transport parts.

Spur gear Module 3 S45C Type

Outline Drawing And Dimensions For 14 To 15 Tooth Type

A1 type outline drawing.

B1 type outline drawing.

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Weight W (kg)
S3S14A-2216	14	φ42	φ48	A1	22	φ16	-	-	22	0.20
S3S14A-3016	14	φ42	φ48	A1	30	φ16	-	-	30	0.28
S3S14A-3516	14	φ42	φ48	A1	35	φ16	-	-	35	0.33
S3S14B-2216N	14	φ42	φ48	B1	22	φ16	φ34	13	35	0.28
S3S14B-3016N	14	φ42	φ48	B1	30	φ16	φ34	13	43	0.35
S3S14B-3516N	14	φ42	φ48	B1	35	φ16 (H8)	φ34	13	48	0.40
S3S15A-2216	15	φ45	φ51	A1	22	φ16	-	-	22	0.24
S3S15A-3016	15	φ45	φ51	A1	30	φ16	-	-	30	0.33
S3S15A-3516	15	φ45	φ51	A1	35	φ16	-	-	35	0.38
S3S15B-2216N	15	φ45	φ51	B1	22	φ16	φ36	13	35	0.32
S3S15B-3016N	15	φ45	φ51	B1	30	φ16	φ36	13	43	0.41
S3S15B-3516N	15	φ45	φ51	B1	35	φ16 (H8)	φ36	13	48	0.47

Outline Drawing And Dimensions For 16 To 18-Tooth Type

A1 type outline drawing.

B1 type outline drawing.

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Weight W (kg)
S3S16A-2216	16	φ48	φ54	A1	22	φ16	-	-	22	0.28
S3S16A-3016	16	φ48	φ54	A1	30	φ16	-	-	30	0.38
S3S16A-3516	16	φ48	φ54	A1	35	φ16	-	-	35	0.44
S3S16B-2216N	16	φ48	φ54	B1	22	φ16	φ40	13	35	0.39
S3S16B-3016N	16	φ48	φ54	B1	30	φ16	φ40	13	43	0.49
S3S16B-3516N	16	φ48	φ54	B1	35	φ16 (H8)	φ40	13	48	0.55
S3S18A-2216	18	φ54	φ60	A1	22	φ16	-	-	22	0.36
S3S18A-3016	18	φ54	φ60	A1	30	φ16	-	-	30	0.49
S3S18A-3518	18	φ54	φ60	A1	35	φ18	-	-	35	0.56
S3S18B-2218N	18	φ54	φ60	B1	22	φ18	φ46	13	35	0.50
S3S18B-3018N	18	φ54	φ60	B1	30	φ18	φ46	13	43	0.62
S3S18B-3516N	18	φ54	φ60	B1	35	φ16 (H8)	φ46	13	48	0.70

Outline Drawing And Dimensions For 20-Tooth Type

A1 type outline drawing.

A1 type outline drawing 2.

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	Set Screw		Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	M	l_s	Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
S3S20A-2216F	20	φ60	φ66	A1	22	φ16	-	-	22	-	-	-	-	-	0.45
S3S20A=2220	20	φ60	φ66	A1	22	φ20	-	-	22	6 × 2.8	-	-	-	-	0.43
S3S20A-3018F	20	φ60	φ66	A1	30	φ18	-	-	30	-	-	-	-	-	0.61
S3S20A-3518F	20	φ60	φ66	A1	35	φ18	-	-	35	-	-	-	-	-	0.71
S3S20A=3525	20	φ60	φ66	A1	35	φ25	-	-	35	8 × 3.3	-	-	-	-	0.63
S3S20B-2218	20	φ60	φ66	B1	22	φ18	φ40	13	35	-	-	-	-	-	0.55
S3S20B#2220	20	φ60	φ66	B1	22	φ20	φ40	13	35	6 × 2.8	M5	6.5	-	-	0.53
S3S20BF-3012*	20	φ60	φ66	B1	30	φ12 (H8)	φ52	20	50	-	-	-	-	-	0.92
S3S20B-3012H*	20	φ60	φ66	B1	30	φ12 (H*)	φ52	20	50	-	-	-	-	-	0.92
S3S20B-3018N	20	φ60	φ66	B1	30	φ18	φ52	13	43	-	-	-	-	-	0.80
S3S20B-3516	20	φ60	φ66	B1	35	φ16 (H8)	φ50	13	48	-	-	-	-	-	0.90
S3S20B#3525	20	φ60	φ66	B1	35	φ25	φ50	13	48	8 × 3.3	M6	6.5	-	-	0.78

*New product. Products marked with an asterisk are new items.
An [=] (equals sign) indicates key material is included.
A [#] (pound sign) indicates set screws are included.

Outline Drawing And Dimensions For 24-Tooth Type

B1 type outline drawing

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	Set Screw		Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	M	l_s	Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
S3S24A-2216F	24	φ72	φ78	A1	22	φ16	-	-	22	-	-	-	-	-	0.67
S3S24A=2220	24	φ72	φ78	A1	22	φ20	-	-	22	6 × 2.8	-	-	-	-	0.65
S3S24A=2225	24	φ72	φ78	A1	22	φ25	-	-	22	8 × 3.3	-	-	-	-	0.61
S3S24A-3018F	24	φ72	φ78	A1	30	φ18	-	-	30	-	-	-	-	-	0.90
S3S24A-3518F	24	φ72	φ78	A1	35	φ18	-	-	35	-	-	-	-	-	1.05
S3S24A=3525	24	φ72	φ78	A1	35	φ25	-	-	35	8 × 3.3	-	-	-	-	0.98
S3S24A=3530	24	φ72	φ78	A1	35	φ30	-	-	35	8 × 3.3	-	-	-	-	0.92
S3S24B-2218	24	φ72	φ78	B1	22	φ18	φ50	13	35	-	-	-	-	-	0.83
S3S24B#2220	24	φ72	φ78	B1	22	φ20	φ50	13	35	6 × 2.8	M5	6.5	-	-	0.81
S3S24B#2225	24	φ72	φ78	B1	22	φ25	φ50	13	35	8 × 3.3	M6	6.5	-	-	0.76
S3S24B-3020N	24	φ72	φ78	B1	30	φ20	φ60	13	43	-	-	-	-	-	1.14
S3S24B-3518	24	φ72	φ78	B1	35	φ18	φ60	13	48	-	-	-	-	-	1.31
S3S24B#3525	24	φ72	φ78	B1	35	φ25	φ60	13	48	8 × 3.3	M6	6.5	-	-	1.21
S3S24B#3530	24	φ72	φ78	B1	35	φ30	φ60	13	48	8 × 3.3	M6	6.5	-	-	1.13

An [=] (equals sign) indicates a key is included.
A [#] (pound sign) indicates key material and set screws are included.

Outline Drawing And Dimensions For 25-Tooth Type

B1 type outline drawing.

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	Set Screw		Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	M	l_s	Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
S3S25A-2218F	25	φ75	φ81	A1	22	φ18	-	-	22	-	-	-	-	-	0.72
S3S25A=2225	25	φ75	φ81	A1	22	φ25	-	-	22	8 × 3.3	-	-	-	-	0.67
S3S25A-3018F	25	φ75	φ81	A1	30	φ18	-	-	30	-	-	-	-	-	0.98
S3S25A-3520F	25	φ75	φ81	A1	35	φ20	-	-	35	-	-	-	-	-	1.13
S3S25A=3525	25	φ75	φ81	A1	35	φ25	-	-	35	8 × 3.3	-	-	-	-	1.07
S3S25A=3530	25	φ75	φ81	A1	35	φ30	-	-	35	8 × 3.3	-	-	-	-	1.01
S3S25B-2220	25	φ75	φ81	B1	22	φ20	φ50	13	35	-	-	-	-	-	0.88
S3S25B#2225	25	φ75	φ81	B1	22	φ25	φ50	13	35	8 × 3.3	M6	6.5	-	-	0.82
S3S25BF-3012*	25	φ75	φ81	B1	30	φ12 (H8)	φ60	20	50	-	-	-	-	-	1.43
S3S25B-3012H*	25	φ75	φ81	B1	30	φ12 (H*)	φ60	20	50	-	-	-	-	-	1.43
S3S25B-3020N	25	φ75	φ81	B1	30	φ20	φ60	13	43	-	-	-	-	-	1.22
S3S25B-3518	25	φ75	φ81	B1	35	φ18	φ60	13	48	-	-	-	-	-	1.41
S3S25B#3525	25	φ75	φ81	B1	35	φ25	φ60	13	48	8 × 3.3	M6	6.5	-	-	1.31
S3S25B#3530	25	φ75	φ81	B1	35	φ30	φ60	13	48	8 × 3.3	M6	6.5	-	-	1.22

*New product. Products marked with an asterisk are new items.
An [=] (equals sign) indicates a key is included.
A [#] (pound sign) indicates key material and set screws are included.

Outline Drawing And Dimensions For 28-Tooth Type

B1 type outline drawing.

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	Set Screw		Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	M	l_s	Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
S3S28A-2218F	28	φ84	φ90	A1	22	φ18	-	-	22	-	-	-	-	-	0.91
S3S28A=2225	28	φ84	φ90	A1	22	φ25	-	-	22	8 × 3.3	-	-	-	-	0.87
S3S28A-3020F	28	φ84	φ90	A1	30	φ20	-	-	30	-	-	-	-	-	1.23
S3S28A-3520F	28	φ84	φ90	A1	35	φ20	-	-	35	-	-	-	-	-	1.44
S3S28A=3525	28	φ84	φ90	A1	35	φ25	-	-	35	8 × 3.3	-	-	-	-	1.38
S3S28A=3530	28	φ84	φ90	A1	35	φ30	-	-	35	8 × 3.3	-	-	-	-	1.32
S3S28B-2220	28	φ84	φ90	B1	22	φ20	φ50	13	35	-	-	-	-	-	1.07
S3S28B#2225	28	φ84	φ90	B1	22	φ25	φ50	13	35	8 × 3.3	M6	6.5	-	-	1.01
S3S28B-3022N	28	φ84	φ90	B1	30	φ22	φ60	13	43	-	-	-	-	-	1.47
S3S28B-3518	28	φ84	φ90	B1	35	φ18	φ60	13	48	-	-	-	-	-	1.72
S3S28B#3525	28	φ84	φ90	B1	35	φ25	φ60	13	48	8 × 3.3	M6	6.5	-	-	1.61
S3S28B#3530	28	φ84	φ90	B1	35	φ30	φ60	13	48	8 × 3.3	M6	6.5	-	-	1.53

An [=] (equals sign) indicates a key is included.
A [#] (pound sign) indicates key material and set screws are included.

Outline Drawing And Dimensions For 30-Tooth Type

A1 type outline drawing

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	Set Screw		Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	M	l_s	Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
S3S30A-2220F	30	φ90	φ96	A1	22	φ20	-	-	22	-	-	-	-	-	1.04
S3S30A=2225	30	φ90	φ96	A1	22	φ25	-	-	22	8 × 3.3	-	-	-	-	1.01
S3S30A-3022F	30	φ90	φ96	A1	30	φ22	-	-	30	-	-	-	-	-	1.41
S3S30A=3030	30	φ90	φ96	A1	30	φ30	-	-	30	8 × 3.3	-	-	-	-	1.33
S3S30A-3522F	30	φ90	φ96	A1	35	φ22	-	-	35	-	-	-	-	-	1.64
S3S30A=3525	30	φ90	φ96	A1	35	φ25	-	-	35	8 × 3.3	-	-	-	-	1.61
S3S30A=3530	30	φ90	φ96	A1	35	φ30	-	-	35	8 × 3.3	-	-	-	-	1.55
S3S30B-2218	30	φ90	φ96	B1	22	φ18	φ50	13	35	-	-	-	-	-	1.23
S3S30B#2225	30	φ90	φ96	B1	22	φ25	φ50	13	35	8 × 3.3	M6	6.5	-	-	1.16
S3S30BF-3012*	30	φ90	φ96	B1	30	φ12 (H8)	φ75	20	50	-	-	-	-	-	2.13
S3S30B-3012H*	30	φ90	φ96	B1	30	φ12 (H*)	φ75	20	50	-	-	-	-	-	2.13
S3S30B-3022N	30	φ90	φ96	B1	30	φ22	φ60	13	43	-	-	-	-	-	1.66
S3S30B-3520	30	φ90	φ96	B1	35	φ20	φ60	13	48	-	-	-	-	-	1.92
S3S30B#3525	30	φ90	φ96	B1	35	φ25	φ60	13	48	8 × 3.3	M6	6.5	-	-	1.84
S3S30B#3530	30	φ90	φ96	B1	35	φ30	φ60	13	48	8 × 3.3	M6	6.5	-	-	1.76

*New product. Products marked with an asterisk are new items.
An [=] (equals sign) indicates key material is included.
A [#] (pound sign) indicates key material and set screws are included.

Outline Drawing And Dimensions For 32-Tooth Type

B1 type outline drawing.

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	Set Screw		Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	M	l_s	Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
S3S32A-2020F	32	φ96	φ102	A1	20	φ20	-	-	20	-	-	-	-	-	1.09
S3S32A=2025	32	φ96	φ102	A1	20	φ25	-	-	20	8 × 3.3	-	-	-	-	1.06
S3S32A-3022F	32	φ96	φ102	A1	30	φ22	-	-	30	-	-	-	-	-	1.62
S3S32A=3030	32	φ96	φ102	A1	30	φ30	-	-	30	8 × 3.3	-	-	-	-	1.53
S3S32A-3222F	32	φ96	φ102	A1	32	φ22	-	-	32	-	-	-	-	-	1.72
S3S32A=3225	32	φ96	φ102	A1	32	φ25	-	-	32	8 × 3.3	-	-	-	-	1.69
S3S32A=3230	32	φ96	φ102	A1	32	φ30	-	-	32	8 × 3.3	-	-	-	-	1.63
S3S32B-2018	32	φ96	φ102	B1	20	φ18	φ50	13	33	-	-	-	-	-	1.27
S3S32B#2025	32	φ96	φ102	B1	20	φ25	φ50	13	33	8 × 3.3	M6	6.5	-	-	1.20
S3S32B-3025N	32	φ96	φ102	B1	30	φ25	φ65	13	43	-	-	-	-	-	1.88
S3S32B#3030	32	φ96	φ102	B1	30	φ30	φ65	13	43	8 × 3.3	M6	6.5	-	-	1.74
S3S32B-3220	32	φ96	φ102	B1	32	φ20	φ60	13	45	-	-	-	-	-	2.00
S3S32B#3225	32	φ96	φ102	B1	32	φ25	φ60	13	45	8 × 3.3	M6	6.5	-	-	1.92
S3S32B#3230	32	φ96	φ102	B1	32	φ30	φ60	13	45	8 × 3.3	M6	6.5	-	-	1.85

An [=] (equals sign) indicates a key is included.
A [#] (pound sign) indicates key material and set screws are included.

Outline Drawing And Dimensions For 36-Tooth Type

A1 type outline drawing.

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	Set Screw		Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	M	l_s	Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
S3S36A-2020F	36	φ108	φ114	A1	20	φ20	-	-	20	-	-	-	-	-	1.39
S3S36A=2025	36	φ108	φ114	A1	20	φ25	-	-	20	8 × 3.3	-	-	-	-	1.36
S3S36A=3030	36	φ108	φ114	A1	30	φ30	-	-	30	8 × 3.3	-	-	-	-	1.99
S3S36A-3222F	36	φ108	φ114	A1	32	φ22	-	-	32	-	-	-	-	-	2.21
S3S36A=3225	36	φ108	φ114	A1	32	φ25	-	-	32	8 × 3.3	-	-	-	-	2.17
S3S36A=3230	36	φ108	φ114	A1	32	φ30	-	-	32	8 × 3.3	-	-	-	-	2.12
S3S36B-2020	36	φ108	φ114	B1	20	φ20	φ50	13	33	-	-	-	-	-	1.56
S3S36B#2025	36	φ108	φ114	B1	20	φ25	φ50	13	33	8 × 3.3	M6	6.5	-	-	1.50
S3S36B-3025N	36	φ108	φ114	B1	30	φ25	φ70	13	43	-	-	-	-	-	2.39
S3S36B#3035	36	φ108	φ114	B1	30	φ35	φ70	13	43	10 × 3.3	M8	6.5	-	-	2.21
S3S36B-3222	36	φ108	φ114	B1	32	φ22	φ60	13	45	-	-	-	-	-	2.46
S3S36B#3225	36	φ108	φ114	B1	32	φ25	φ60	13	45	8 × 3.3	M6	6.5	-	-	2.41
S3S36B#3230	36	φ108	φ114	B1	32	φ30	φ60	13	45	8 × 3.3	M6	6.5	-	-	2.33

An [=] (equals sign) indicates a key is included.
A [#] (pound sign) indicates key material and set screws are included.

Outline Drawing And Dimensions For 40 To 45-Tooth Type

B1 type outline drawing.

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	Set Screw		Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	M	l_s	Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
S3S40A-2020F	40	φ120	φ126	A1	20	φ20	-	-	20	-	-	-	-	-	1.73
S3S40A=2025	40	φ120	φ126	A1	20	φ25	-	-	20	8 × 3.3	-	-	-	-	1.69
S3S40A=3030	40	φ120	φ126	A1	30	φ30	-	-	30	8 × 3.3	-	-	-	-	2.49
S3S40A-3222F	40	φ120	φ126	A1	32	φ22	-	-	32	-	-	-	-	-	2.75
S3S40A=3225	40	φ120	φ126	A1	32	φ25	-	-	32	8 × 3.3	-	-	-	-	2.71
S3S40A=3230	40	φ120	φ126	A1	32	φ30	-	-	32	8 × 3.3	-	-	-	-	2.66
S3S40B-2020	40	φ120	φ126	B1	20	φ20	φ50	13	33	-	-	-	-	-	1.90
S3S40B#2025	40	φ120	φ126	B1	20	φ25	φ50	13	33	8 × 3.3	M6	6.5	-	-	1.84
S3S40BF-3015*	40	φ120	φ126	B1	30	φ15 (H8)	φ85	20	50	-	-	-	-	-	3.47
S3S40B-3015H*	40	φ120	φ126	B1	30	φ15 (H*)	φ85	20	50	-	-	-	-	-	3.47
S3S40B-3025N	40	φ120	φ126	B1	30	φ25	φ70	13	43	-	-	-	-	-	2.89
S3S40B#3035	40	φ120	φ126	B1	30	φ35	φ70	13	43	10 × 3.3	M8	6.5	-	-	2.72
S3S40B-3222	40	φ120	φ126	B1	32	φ22	φ60	13	45	-	-	-	-	-	3.00
S3S40B#3225	40	φ120	φ126	B1	32	φ25	φ60	13	45	8 × 3.3	M6	6.5	-	-	2.95
S3S40B#3230	40	φ120	φ126	B1	32	φ30	φ60	13	45	8 × 3.3	M6	6.5	-	-	2.87
S3S45B-2020	45	φ135	φ141	B1	20	φ20	φ70	13	33	-	-	-	-	-	2.56
S3S45B-3222F	45	φ135	φ141	B1	32	φ22	φ70	13	45	-	-	-	-	-	3.85

*New product. Products marked with an asterisk are new items.
An [=] (equals sign) indicates key material is included.
A [#] (pound sign) indicates key material and set screws are included.

Outline Drawing And Dimensions For 48-Tooth Type

A1 type outline drawing.

A2 type outline drawing.

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	Set Screw		Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	M	l_s	Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
S3S48A-2020F	48	φ144	φ150	A1	20	φ20	-	-	20	-	-	-	-	-	2.51
S3S48A=2025	48	φ144	φ150	A2	20	φ25	φ50	-	20	8 × 3.3	-	-	φ116	10	1.84
S3S48A=3030	48	φ144	φ150	A2	30	φ30	φ60	-	30	8 × 3.3	-	-	φ116	16	2.89
S3S48A-3222F	48	φ144	φ150	A1	32	φ22	-	-	32	-	-	-	-	-	4.00
S3S48A=3230	48	φ144	φ150	A2	32	φ30	φ60	-	32	8 × 3.3	-	-	φ116	16	3.04
S3S48B-2020	48	φ144	φ150	B1	20	φ20	φ50	13	33	-	-	-	-	-	2.68
S3S48B#2025	48	φ144	φ150	B3	20	φ25	φ50	13	33	8 × 3.3	M6	6.5	φ116	10	1.99
S3S48B-3025N	48	φ144	φ150	B1	30	φ25	φ80	13	43	-	-	-	-	-	4.19
S3S48B#3040	48	φ144	φ150	B3	30	φ40	φ80	13	43	12 × 3.3	M8	6.5	φ116	16	3.38
S3S48B-3222	48	φ144	φ150	B1	32	φ22	φ60	13	45	-	-	-	-	-	4.25
S3S48B#3230	48	φ144	φ150	B3	32	φ30	φ60	13	45	8 × 3.3	M6	6.5	φ116	16	3.25

*New product. Products marked with an asterisk are new items.
An [=] (equals sign) indicates a key is included.
A [#] (pound sign) indicates key material and set screws are included.

Outline Drawing And Dimensions For 50-Tooth Type

B1 type outline drawing.

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	Set Screw		Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	M	l_s	Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
S3S50A-2020F	50	φ150	φ156	A1	20	φ20	-	-	20	-	-	-	-	-	2.73
S3S50A=2025	50	φ150	φ156	A2	20	φ25	φ50	-	20	8 × 3.3	-	-	φ122	10	1.97
S3S50A=2030	50	φ150	φ156	A2	20	φ30	φ60	-	20	8 × 3.3	-	-	φ122	10	1.94
S3S50A=3030	50	φ150	φ156	A2	30	φ30	φ60	-	30	8 × 3.3	-	-	φ122	16	3.10
S3S50A-3222F	50	φ150	φ156	A1	32	φ22	-	-	32	-	-	-	-	-	4.34
S3S50A=3230	50	φ150	φ156	A2	32	φ30	φ60	-	32	8 × 3.3	-	-	φ122	16	3.25
S3S50A=3235	50	φ150	φ156	A2	32	φ35	φ70	-	32	10 × 3.3	-	-	φ122	16	3.31
S3S50B-2020	50	φ150	φ156	B1	20	φ20	φ60	13	33	-	-	-	-	-	2.98
S3S50B#2025	50	φ150	φ156	B3	20	φ25	φ60	13	33	8 × 3.3	M6	6.5	φ122	10	2.27
S3S50B#2030	50	φ150	φ156	B3	20	φ30	φ60	13	33	8 × 3.3	M6	6.5	φ122	10	2.22
S3S50BF-3015	50	φ150	φ156	B1	30	φ15 (H8)	φ105	20	50	-	-	-	-	-	5.43
S3S50B-3015H*	50	φ150	φ156	B1	30	φ15(H※)	φ105	20	50	-	-	-	-	-	5.43
S3S50B-3025N*	50	φ150	φ156	B1	30	φ25	φ80	13	43	-	-	-	-	-	4.51
S3S50B#3040	50	φ150	φ156	B3	30	φ40	φ80	13	43	12 × 3.3	M8	6.5	φ122	16	3.58
S3S50B-3222	50	φ150	φ156	B1	32	φ22	φ70	13	45	-	-	-	-	-	4.70
S3S50B#3230	50	φ150	φ156	B3	32	φ30	φ70	13	45	8 × 3.3	M6	6.5	φ122	16	3.69
S3S50B#3235	50	φ150	φ156	B3	32	φ35	φ70	13	45	10 × 3.3	M8	6.5	φ122	16	3.60

*New product. Products marked with an asterisk are new items.
An [=] (equals sign) indicates key material is included.
A [#] (pound sign) indicates key material and set screws are included.

Outline Drawing And Dimensions For 56-Tooth Type

A1 type outline drawing.

A2 type outline drawing.

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	Set Screw		Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	M	l_s	Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
S3S56A-2020F	56	φ168	φ174	A1	20	φ20	-	-	20	-	-	-	-	-	3.43
S3S56A=2025	56	φ168	φ174	A2	20	φ25	φ50	-	20	8 × 3.3	-	-	φ140	10	2.39
S3S56A-3222F	56	φ168	φ174	A1	32	φ22	-	-	32	-	-	-	-	-	5.47
S3S56A=3230	56	φ168	φ174	A2	32	φ30	φ60	-	32	8 × 3.3	-	-	φ140	16	3.93
S3S56B-2020	56	φ168	φ174	B1	20	φ20	φ60	13	33	-	-	-	-	-	3.69
S3S56B#2025	56	φ168	φ174	B3	20	φ25	φ60	13	33	8 × 3.3	M6	6.5	φ140	10	2.70
S3S56B-3222	56	φ168	φ174	B1	32	φ22	φ70	13	45	-	-	-	-	-	5.83
S3S56B#3230	56	φ168	φ174	B3	32	φ30	φ70	13	45	8 × 3.3	M6	6.5	φ140	16	4.38
S3S56B#3235	56	φ168	φ174	B3	32	φ35	φ70	13	45	10 × 3.3	M8	6.5	φ140	16	4.28

An [=] (equals sign) indicates a key is included.
A [#] (pound sign) indicates key material and set screws are included.

Outline Drawing And Dimensions For 60-Tooth Type

B1 type outline drawing.

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	Set Screw		Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	M	l_s	Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
S3S60A-2020F	60	φ180	φ186	A1	20	φ20	-	-	20	-	-	-	-	-	3.95
S3S60A=2030	60	φ180	φ186	A2	20	φ30	φ60	-	20	8 × 3.3	-	-	φ152	10	2.73
S3S60A=3030	60	φ180	φ186	A2	30	φ30	φ60	-	30	8 × 3.3	-	-	φ152	16	4.24
S3S60A-3222F	60	φ180	φ186	A1	32	φ22	-	-	32	-	-	-	-	-	6.30
S3S60A=3230	60	φ180	φ186	A2	32	φ30	φ60	-	32	8 × 3.3	-	-	φ152	16	4.42
S3S60A=3235	60	φ180	φ186	A2	32	φ35	φ70	-	32	10 × 3.3	-	-	φ152	16	4.48
S3S60B-2022	60	φ180	φ186	B1	20	φ22	φ60	13	33	-	-	-	-	-	4.19
S3S60B#2030	60	φ180	φ186	B3	20	φ30	φ60	13	33	8 × 3.3	M6	6.5	φ152	10	2.94
S3S60BF-3015	60	φ180	φ186	B1	30	φ15 (H8)	φ130	20	50	-	-	-	-	-	7.98
S3S60B-3015H	60	φ180	φ186	B1	30	φ15(H※)	φ130	20	50	-	-	-	-	-	7.98
S3S60B-3025N	60	φ180	φ186	B1	30	φ25	φ80	13	43	-	-	-	-	-	6.34
S3S60B#3040	60	φ180	φ186	B3	30	φ40	φ80	13	43	12 × 3.3	M8	6.5	φ152	16	4.73
S3S60B-3225	60	φ180	φ186	B1	32	φ25	φ70	13	45	-	-	-	-	-	6.62
S3S60B#3230	60	φ180	φ186	B3	32	φ30	φ70	13	45	8 × 3.3	M6	6.5	φ152	16	4.87
S3S60B#3235	60	φ180	φ186	B3	32	φ35	φ70	13	45	10 × 3.3	M8	6.5	φ152	16	4.77

*New product. Products marked with an asterisk are new items.
An [=] (equals sign) indicates key material is included.
A [#] (pound sign) indicates key material and set screws are included.

Outline Drawing And Dimensions For 64 To 80-Tooth Type

B1 type outline drawing

(Units: mm)

Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	Set Screw		Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
Catalog Number	Number Of Teeth z	Reference Diameter d	Tip Diameter d_a	Type	Face Width b	Bore Diameter d_d (H7)	Hub Outer Diameter d_h	Hub Projection l_h	Overall Length l	Key Way b₂ × t₂	M	l_s	Inner Diameter Of Rim d_i	Thickness Of Web b_w	Weight W (kg)
S3S64A-2022F	64	φ192	φ198	A1	20	φ22	-	-	20	-	-	-	-	-	4.49
S3S64A=2030	64	φ192	φ198	A2	20	φ30	φ60	-	20	8 × 3.3	-	-	φ164	10	3.05
S3S64A-3222F	64	φ192	φ198	A1	32	φ22	-	-	32	-	-	-	-	-	7.18
S3S64A=3230	64	φ192	φ198	A2	32	φ30	φ60	-	32	8 × 3.3	-	-	φ164	16	4.94
S3S64A=3235	64	φ192	φ198	A2	32	φ35	φ70	-	32	10 × 3.3	-	-	φ164	16	5.00
S3S64B-2022	64	φ192	φ198	B1	20	φ22	φ60	13	33	-	-	-	-	-	4.74
S3S64B#2030	64	φ192	φ198	B3	20	φ30	φ60	13	33	8 × 3.3	M6	6.5	φ164	10	3.27
S3S64B-3225	64	φ192	φ198	B1	32	φ25	φ70	13	45	-	-	-	-	-	7.50
S3S64B#3230	64	φ192	φ198	B3	32	φ30	φ70	13	45	8 × 3.3	M6	6.5	φ164	16	5.38
S3S64B#3235	64	φ192	φ198	B3	32	φ35	φ70	13	45	10 × 3.3	M8	6.5	φ164	16	5.29
S3S70BF-3020*	70	φ210	φ216	B1	30	φ20	φ150	20	50	-	-	-	-	10.78
S3S70B-3020H*	70	φ210	φ216	B1	30	φ20 (H*)	φ150	20	50	-	-	-	-	10.78
S3S80BF-3020*	80	φ240	φ246	B1	30	φ20	φ170	20	50	-	-	-	-	14.06
S3S80B-3020H*	80	φ240	φ246	B1	30	φ20(H※)	φ170	20	50	-	-	-	-	14.06

*New product. Products marked with an asterisk are new items.
An [=] (equals sign) indicates key material is included.
A [#] (pound sign) indicates key material and set screws are included.

Our Development Philosophy

"It would be nice to have a shape that makes additional work easy, and is inexpensive and easy to procure." We have developed our products based on customer feedback like the above.

Related Products

S45C Rack RK-SD

This product is used a lot in combination with others.

: 30; 45; 60

Part Number
S3S20B-2218

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Shaft Bore Dia., Shaft Dia. d (Ø)	Gear Shape	Number of Teeth (Teeth)	Tooth Width B (mm)	Shaft Bore Tolerance	Accuracy (Old JIS)	Shaft Hole Specifications	Shape (details)
	₹ 1,971.95	1 Piece(s)		8 Day(s) or more	10	18	Shape B	20	22	H7	Class 8 Equivalent	Standard shaft hole product	B1

Basic Information

Module	3	Material	Steel	Surface Treatment	No
Heat Treatment	No	Ground Tooth	No	Bearing	No
Backlash	Presence	Shaft Bore Config.	Round hole	Shaft hole finished	Round Hole
Pilot Hole Product, Completed Product	Pilot Hole Product	Material (Details)	S45C

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

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type

Shaft Bore Dia., Shaft Dia. d(Ø)

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Spur Gear Module 3 S45C Type (S3S20B-2218)

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Product Description

Spur gear Module 3 S45C Type

Outline Drawing And Dimensions For 14 To 15 Tooth Type

Outline Drawing And Dimensions For 16 To 18-Tooth Type

Outline Drawing And Dimensions For 20-Tooth Type

Outline Drawing And Dimensions For 24-Tooth Type

Outline Drawing And Dimensions For 25-Tooth Type

Outline Drawing And Dimensions For 28-Tooth Type

Outline Drawing And Dimensions For 30-Tooth Type

Outline Drawing And Dimensions For 32-Tooth Type

Outline Drawing And Dimensions For 36-Tooth Type

Outline Drawing And Dimensions For 40 To 45-Tooth Type

Outline Drawing And Dimensions For 48-Tooth Type

Outline Drawing And Dimensions For 50-Tooth Type

Outline Drawing And Dimensions For 56-Tooth Type

Outline Drawing And Dimensions For 60-Tooth Type

Outline Drawing And Dimensions For 64 To 80-Tooth Type

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