Sprockets / 25B Series (Part Numbers - CAD Download)

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Part Numbers
Catalog

Type	Material
SP25B	EN 1.1191 Equiv.
SSP25B	EN 1.4301 Equiv.

Accessory: Set Screw
(Only for shaft bore specifications N)

Specifications

Part Number	-	Bore Specification	-	Shaft Bore Dia.
SP25B16 SSP25B22	- -	N S	- -	10 9

Part Number		Shaft Bore Specs.	Shaft Bore Dia.							Dp	Do	H	L	ℓ	Mass (g)	Unit Price
Type	Number of Teeth	Shaft Bore Specs.	S Specification (D_H8)	N Specification (D_H7)						Dp	Do	H	L	ℓ	Mass (g)	S Specification	N Spec. (In Stock)	N Spec. (Other than In Stock)
SP25B	16	S N	9	10*	10K*	12*				32.55	36	25	15	6	60
	17		9	10*	10K*	12*				34.56	38				70
	18		9	10*	10K*	12*				36.57	40				70
	19		9	10*	10K*	12*				38.58	42	28			90
	20		9	10*	10K*	12*				40.59	44				90
	21		9	10*	10K	12*				42.61	46				100
	22		9			12*	15*			44.62	48	30			110
	23		9			12*	15*			46.63	50				120
	24		9			12*	15*			48.65	52				140
	25		9			12*	15*	16*		50.66	54	35
	26		9			12*	15	16		52.68	56
	28		9			12*	15*	16*		56.71	60				150
	30		9			12*	15*	16		60.75	64				160
	32		10				15*	16	20*	64.78	68	40	20	8	200
	34		10				15	16	20	68.82	72				210		-
	35		10				15	16	20	70.84	74				210		-
	36		10				15	16	20	72.86	76				220		-
	38		10				15	16	20	76.9	80				260		-
	40		10				15*	16*	20*	80.93	84				270
SSP25B	16	S N	9	10*						32.55	36	21	16	6	60
	17		9	10						34.56	38	23			70		-
	18		9	10*						36.57	40	25			70
	19		9	10		12*				38.58	42	26			90
	20		9	10*		12*				40.59	44	28			90
	21		9			12	15*			42.61	46	30	18	7	100
	22		9			12	15*			44.62	48				110
	23		9			12	15			46.63	50				120		-
	24		9			12	15			48.65	52				140		-
	25		9			12*	15			50.66	54
	26		9			12	15			52.68	56						-
	28		9			12	15			56.71	60				150		-
	30		9			12	15			60.75	64				160		-
	32		10			12	15*			64.78	68			8	200

When selecting 10K, shaft bore diameter is Ø10 and keyway width is 4mm (1.8mm in height).

■Shaft Bore Specifications

Shaft Bore Dia. D	Keyway b₂xt₂	Set Screw M
10	3x1.4	4
10K	4x1.8	4
12	4x1.8	5
15, 16	5x2.3	6
20	6x2.8	6

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Part Number
SP25B16-N-10K
SP25B16-N-[10,12]
SP25B17-N-10K
SP25B17-N-[10,12]
SP25B18-N-10K
SP25B18-N-[10,12]
SP25B19-N-10K
SP25B19-N-[10,12]
SP25B20-N-10K
SP25B20-N-[10,12]
SP25B21-N-10K
SP25B21-N-[10,12]
SP25B22-N-[12,15]
SP25B23-N-[12,15]
SP25B24-N-[12,15]
SP25B25-N-[12,15,16]
SP25B26-N-[12,15,16]
SP25B28-N-[12,15,16]
SP25B30-N-[12,15,16]
SP25B32-N-[15,16,20]
SP25B34-N-[15,16,20]
SP25B35-N-[15,16,20]
SP25B36-N-[15,16,20]
SP25B38-N-[15,16,20]
SP25B40-N-[15,16,20]
SSP25B16-N-10
SSP25B17-N-10
SSP25B18-N-10
SSP25B19-N-[10,12]
SSP25B20-N-[10,12]
SSP25B21-N-[12,15]
SSP25B22-N-[12,15]
SSP25B23-N-[12,15]
SSP25B24-N-[12,15]
SSP25B25-N-[12,15]
SSP25B26-N-[12,15]
SSP25B28-N-[12,15]
SSP25B30-N-[12,15]
SSP25B32-N-[12,15]

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Number of Teeth (T)	Shaft Bore Dia. D (or d) (mm)	Type	Material	Shaft Type	Hole Specifications	Keyway b2 x t2
8.18 €	1	Available	5 Days	10	16	10K	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	4 x 1.8
-	1		7 Days	10	16	10 ～ 12	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
8.57 €	1	Available	5 Days	10	17	10K	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	4 x 1.8
-	1		7 Days	10	17	10 ～ 12	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
9.06 €	1	Available	5 Days	10	18	10K	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	4 x 1.8
-	1		7 Days	10	18	10 ～ 12	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
9.06 €	1	Available	5 Days	10	19	10K	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	4 x 1.8
-	1		7 Days	10	19	10 ～ 12	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
9.83 €	1	Available	5 Days	10	20	10K	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	4 x 1.8
-	1		7 Days	10	20	10 ～ 12	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
10.71 €	1	Available	5 Days	10	21	10K	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	4 x 1.8
-	1		7 Days	10	21	10 ～ 12	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	22	12 ～ 15	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	23	12 ～ 15	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	24	12 ～ 15	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	25	12 ～ 16	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		11 Days	10	26	12 ～ 16	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	28	12 ～ 16	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	30	12 ～ 16	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	32	15 ～ 20	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	34	15 ～ 20	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	35	15 ～ 20	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	36	15 ～ 20	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		11 Days	10	38	15 ～ 20	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	40	15 ～ 20	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	16	10	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	17	10	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	18	10	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	19	10 ～ 12	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	20	10 ～ 12	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	21	12 ～ 15	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	22	12 ～ 15	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	23	12 ～ 15	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	24	12 ～ 15	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	25	12 ～ 15	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	26	12 ～ 15	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	28	12 ～ 15	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	30	12 ～ 15	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-
-	1		7 Days	10	32	12 ～ 15	Shaft Bore Machined Type	[Stainless Steel] EN 1.4301 Equiv.	Shaft Bore Machining Configurable	N (New JIS Key + Tap)	-

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Basic information

Sprocket Shape	Shape B	Nominal	25	Number of Tracks	Single Row
Chain Type	RS	Surface Treatment	Not Provided

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Basic Attributes

Number of Teeth(T)
16

17

18

19

20

21

22

23

24

25

26

28

30

32

34

35

36

38

40
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Shaft Bore Dia. D (or d)(mm)
10

10K

12

15

16

20
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Type
- Pilot Hole Type
- Shaft Bore Machined Type
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Material
- Steel
  - EN 1.1191 Equiv.
- Stainless Steel
  - EN 1.4301 Equiv.
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Hole Specifications
- N (New JIS Key + Tap)
- S (Pilot Hole)
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Type
- SP25B
- SSP25B
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Shaft Type
- Standard Pilot Hole
- Shaft Bore Machining Configurable
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