Sprockets / 40B Series

Promotional pricing ends 31/12/2024
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Part Numbers
Catalog

Type	Material	Surface Treatment
SP40B	EN 1.1191 Equiv. (Induction Hardened Teeth Tip)	-
BSP40B	EN 1.1191 Equiv. (Induction Hardened Teeth Tip)	Black Oxide
SSP40B	EN 1.4301 Equiv.	-

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

Specifications

Part Number	-	Bore Specification	-	Shaft Bore Dia.
SP40B16 SSP40B15	- -	N S	- -	16 12

Part Number		Shaft Bore Specs.	Shaft Bore Dia.																		Dp	Do	H	GD	L	ℓ	Mass (g)	Unit Price
Type	Number of Teeth	Shaft Bore Specs.	S Specification (D_H8)	N Specification (D_H7)																	Dp	Do	H	GD	L	ℓ	Mass (g)	S Specification	N Spec. (In Stock)	N Spec. (Other than In Stock)
SP40B	9	S N	9	10K*	12*	14*															37.13	42	28	23	22	5	110
	10		9	10K*	12*	14	15*	16*	17*												41.1	46	32	27			140
	11		10	10K	12*	14	15*	16	17	18*	19	20*									45.08	51	36	31			190
	12		10	10K*	12*	14	15*	16*	17*	18*	19	20*	22*								49.07	55	40	35			220
	13		12		12*	14	15*	16*	17*	18*	19	20*	22								53.07	59	37	-		6	230
	14		12		12*	14	15*	16	17	18*	19	20*	22*	24*	25						57.07	63	42				280
	15		12		12*	14	15*	16*	17	18*	19*	20*	22*	24	25*	28*	30				61.08	67	46				340
	16		13			14*	15*	16*	17	18*	19*	20*	22*	24	25*	28*	30*	32*			65.1	71	50				400
	17		13			14*	15*	16*	17*	18*	19	20*	22*	24	25*	28	30*	32	35*		69.12	76	54				460
	18		13			14	15*	16*	17*	18	19	20*	22*	24*	25*	28*	30*	32	35		73.14	80	57				510
	19		14			14	15*	16	17	18	19*	20*	22	24	25*	28	30*	32	35	40*	77.16	84	62				590
	20		14			14*	15*	16	17	18*	19*	20*	22*	24	25*	28*	30*	32*	35	40	81.18	88	67		25	7	760
	21		14			14	15	16	17	18	19	20*	22	24	25*	28	30	32	35	40	85.21	92	71				850
	22		14			14	15	16	17	18	19	20*	22	24	25*	28*	30	32	35	40	89.24	96	75				950
	23		14			14	15	16	17	18	19	20	22	24	25*	28	30*	32	35	40*	93.27	100	77				1000
	24		14			14	15*	16	17	18*	19	20*	22	24	25*	28	30	32	35	40	97.3	104	63				840
	25		14			14			17	18	19	20*	22	24	25*	28	30*	32	35	40*	101.33	108					880
	26		14							18	19	20*	22	24	25	28	30*	32	35	40	105.36	112					920
	28		14									20*	22	24	25*	28	30	32	35	40	113.43	120					1000
	30		14									20*	22	24	25*	28	30	32	35	40	121.5	128					1100
	32		14									20*	22	24	25	28	30	32	35	40	129.57	137	68		28	10	1300
	34		14									20*	22	24	25*	28	30	32	35	40	137.64	145					1300
	35		14									20*	22	24	25	28	30	32	35	40	141.68	149					1400
	36		16									20*	22	24	25	28	30	32	35	40*	145.72	153					1500
	38		16											24	25	28	30	32	35	40	153.79	161					1600		-
	40		16												25*	28	30*	32	35*	40	161.87	169					1700
BSP40B (BSP is not compliant with S Spec.)	9	N	-	10K	12	14															37.13	42	28	23	22	5	110	-
	10			10K	12*	14	15*	16	17*												41.1	46	32	27			140	-
	11			10K	12*	14	15	16	17	18*	19	20									45.08	51	36	31			190	-
	12			10K*	12*	14	15*	16	17*	18*	19	20*	22								49.07	55	40	35			220	-
	13				12*	14*	15*	16	17*	18*	19	20*	22								53.07	59	37	-		6	230	-
	14				12*	14	15*	16	17	18	19	20*	22	24	25						57.07	63	42				280	-
	15				12	14	15*	16	17	18*	19	20*	22	24	25	28	30				61.08	67	46				340	-
	16					14	15*	16	17	18*	19	20*	22	24	25*	28	30	32			65.1	71	50				400	-
	17					14	15	16	17	18	19	20	22	24	25	28	30	32	35		69.12	76	54				460	-	-
	18					14	15	16	17	18	19	20*	22	24	25*	28	30	32	35		73.14	80	57				510	-
	19					14	15*	16	17	18	19	20*	22	24	25*	28	30*	32	35	40	77.16	84	62				590	-
	20					14	15	16	17	18	19	20*	22	24	25*	28	30	32	35	40	81.18	88	67		25	7	760	-
	21					14	15	16	17	18	19	20	22	24	25	28	30	32	35	40	85.21	92	71				850	-	-
	22					14	15	16	17	18	19	20	22	24	25	28	30	32	35	40	89.24	96	75				950	-	-
	23					14	15	16	17	18	19	20	22	24	25	28	30	32	35	40	93.27	100	77				1000	-	-
	24					14	15	16	17	18	19	20	22	24	25	28	30	32	35	40*	97.3	104	63				840	-
	25					14			17	18	19	20	22	24	25	28	30	32	35	40	101.33	108					880	-	-
	26									18	19	20	22	24	25	28	30	32	35	40	105.36	112					920	-	-
	28											20	22	24	25	28	30	32	35	40	113.43	120					1000	-	-
	30											20	22	24	25	28	30	32	35	40	121.5	128					1100	-	-
	32											20	22	24	25	28	30	32	35	40	129.57	137	68		28	10	1300	-	-
	34											20	22	24	25	28	30	32	35	40	137.64	145					1300	-	-
	35											20	22	24	25	28	30	32	35	40	141.68	149					1400	-	-
	36											20	22	24	25	28	30	32	35	40	145.72	153					1500	-	-
	38													24	25	28	30	32	35	40	153.79	161					1600	-	-
	40														25	28	30	32	35	40	161.87	169					1700	-	-
SSP40B	10	S N	9		12*		15*	16													41.1	46	32	27	22	5	140
	11		10				15	16		18		20*									45.08	51	36	31			190
	12		10				15*	16*		18		20*									49.07	55	40	35			220
	13		12				15*	16		18		20*									53.07	59	37	-		6	230
	14		12				15*	16		18*	19	20*	22	24	25						57.07	63	42				280
	15		12				15*	16		18	19	20*	22	24	25*	28					61.08	67	46				340
	16		13				15*	16		18	19	20*	22	24	25*	28	30				65.1	71	50				400
	17		13				15	16		18	19	20*	22	24	25	28	30				69.12	76	54				460
	18		13				15	16		18	19	20	22	24	25	28	30				73.14	80	57				510		-
	19		14				15*	16		18	19	20	22	24	25*	28	30				77.16	84	62				590
	20		14				15	16		18	19	20*	22	24	25	28	30				81.18	88	67		25	7	760
	21		14							18		20	22	24	25	28	30				85.21	92	71				850		-
	22		14							18		20	22	24	25	28	30				89.24	96	75				950		-
	23		14							18		20	22	24	25	28	30				93.27	100	77				1000		-
	24		14							18		20	22	24	25	28	30				97.3	104	63				840		-
	25		14							18		20	22	24	25	28	30				101.33	108					880		-
	26		14									20	22		25		30				105.36	112					920		-
	28		14									20	22		25		30				113.43	120					1000		-
	30		14									20	22		25*		30*				121.5	128					1100
	32		14									20	22		25		30				129.57	137	68		28	10	1300		-
	35		14									20	22		25		30				141.68	149					1400		-
	36		16									20	22		25		30				145.72	153					1500		-
	40		16									20*	22		25		30				161.87	169					1700

The H7 D dim. tolerance is applicable for the Shaft Bore Specs. S with the number of teeth: 13~15 or 19~25.
For the Number of Teeth: 14 and the Shaft Dia.: 25mm or for the Number of Teeth: 15 and the Shaft Dia.: 30mm, the M6 set screw is applicable.
When selecting 10K, shaft bore diameter is Ø10 and keyway width is 4mm (1.8mm in height).

■SP/SSP Shaft Bore Machining Dimensions Table

Shaft Bore Dia. D	Keyway b₂xt₂	Set Screw M
10K	4x1.8	4
12	4x1.8	5
14~17	5x2.3	6
18~22	6x2.8	6
24~30	8x3.3	8
32, 35	10x3.3	8
40	12x3.3	8

■BSP Shaft Bore Machining Dimensions Table

Shaft Bore Dia. D	Keyway b₂xt₂	Set Screw M
10K, 12	4x1.8	4
14~17	5x2.3	6
18~22	6x2.8	6
24~30	8x3.3	8
32, 35	10x3.3	8
40	12x3.3	8

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Part Number
BSP40B12-N-10K
BSP40B12-N-10K

Part Number	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	Surface Treatment	Hole Specifications	Keyway b2 x t2
	12.46 €	1	Available	5 Days	10	12	10K	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv. (Spurs are Induction Hardened)	Shaft Bore Machining Configurable	Black Oxide	N (New JIS Key + Tap)	4 x 1.8
	-	1		9 Days	10	12	12 ～ 22	Shaft Bore Machined Type	[Steel] EN 1.1191 Equiv. (Spurs are Induction Hardened)	Shaft Bore Machining Configurable	Black Oxide	N (New JIS Key + Tap)	-

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Basic information

Sprocket Shape	Shape B	Nominal	40	Number of Tracks	Single Row
Chain Type	RS

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Basic Attributes

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

12

14

15

16

17

18

19

20

22

24

25

28

30

32

35

40
Clear
Type
- BSP40B
- SP40B
- SSP40B
Clear
Number of Teeth(T)
9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

28

30

32

34

35

36

38

40
Clear
Type
- Pilot Hole Type
- Shaft Bore Machined Type
Clear
Material
- Steel
  - EN 1.1191 Equiv. (Spurs are Induction Hardened)
- Stainless Steel
  - EN 1.4301 Equiv.
Clear
Shaft Type
- Standard Pilot Hole
- Shaft Bore Machining Configurable
Clear
Surface Treatment
- Not Provided
- Black Oxide
Clear
Hole Specifications
- N (New JIS Key + Tap)
- S (Pilot Hole)
Clear
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