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Roller Chain Sprockets - B-Type, 40B Series (BSP40B12-N-10K)

Volume Discount

MISUMI

Sprockets with shaft bore and keyway already machined.

inCAD Components

(i)Caution

Please check the content on our website as the PDF does not contain the most up-to-date information.

Part Number

Configured Part Number is shown.

BSP40B12-N-10K

・Materials

Type	[ M ] Material	[ S ] Surface Treatment
SP40B	1045 Carbon Steel Equivalent(Induction Hardened Teeth Tip)	-
BSP40B	1045 Carbon Steel Equivalent(Induction Hardened Teeth Tip)	Black Oxide
SSP40B	304 Stainless Steel Equivalent	-

[ A ] Accessories: Set Screw(Only for shaft bore specifications Sprockets - 40B Series:Related Image

)

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	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

Part Number

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Part Number
BSP40B12-N-10K

Part Number	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Material	Bore Dia. D (or d) (mm)	Bore Style	Number of Teeth (T)	Shaft Type	Surface Treatment	Hole Specifications	Keyway b2 x t2
	1 Piece(s)	Available	8 Days or more	10	[Steel] 1045 Carbon Steel (Spurs are Induction Hardened)	10K	with Finished Bore	12	Shaft Bore Machining Configurable	Black Oxide	N (New JIS Key + Tap)	4×1.8

Product TOP

Basic Information

Sprocket Shape	Shape B	For Chain No. (Chain Pitch)	40B (1/2" pitch)	Number of Tracks	Single Row
Chain Type	RS

Please check the type/dimensions/specifications of the part BSP40B12-N-10K in the Roller Chain Sprockets - B-Type, 40B Series series.

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Completed

Specification/Dimensions

type
- BSP40B
- SP40B
- SSP40B
Clear
Material
- Steel
  - 1045 Carbon Steel (Spurs are Induction Hardened)
- Stainless Steel
  - 304 Stainless Steel
Clear
Bore Dia. D (or d)(mm)
10K

12

14

15

16

17

18

19

20

22

24

25

28

30

32

35

40
Clear
Bore Style
- with Machinable Pilot Bore
- with Finished Bore
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
Shaft Type
- Standard Pilot Hole
- Shaft Bore Machining Configurable
Clear
Surface Treatment
- None
- Black Oxide
Clear
Hole Specifications
- N (New JIS Key + Tap)
- S (Pilot Hole)
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

8 Days or Less

10 Days or Less

12 Days or Less
Clear

Specify Alterations

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

Products like this...

Part Number
SP40B10-N-10K
SP40B10-S-9
SP40B11-N-10K
SP40B11-S-10
SP40B12-N-10K
SP40B12-S-10

Minimum order quantity	Volume Discount	Days to Ship	RoHS	Material	Bore Dia. D (or d) (mm)	Bore Style	Number of Teeth (T)	Shaft Type	Surface Treatment	Hole Specifications	Keyway b2 x t2
1 Piece(s)	Available	8 Days or more	10	[Steel] 1045 Carbon Steel (Spurs are Induction Hardened)	10K	with Finished Bore	10	Shaft Bore Machining Configurable	None	N (New JIS Key + Tap)	4×1.8
1 Piece(s)	Available	8 Days or more	10	[Steel] 1045 Carbon Steel (Spurs are Induction Hardened)	-	with Machinable Pilot Bore	10	Standard Pilot Hole	None	S (Pilot Hole)	-
1 Piece(s)	Available	8 Days or more	10	[Steel] 1045 Carbon Steel (Spurs are Induction Hardened)	10K	with Finished Bore	11	Shaft Bore Machining Configurable	None	N (New JIS Key + Tap)	4×1.8
1 Piece(s)	Available	8 Days or more	10	[Steel] 1045 Carbon Steel (Spurs are Induction Hardened)	-	with Machinable Pilot Bore	11	Standard Pilot Hole	None	S (Pilot Hole)	-
1 Piece(s)	Available	8 Days or more	10	[Steel] 1045 Carbon Steel (Spurs are Induction Hardened)	10K	with Finished Bore	12	Shaft Bore Machining Configurable	None	N (New JIS Key + Tap)	4×1.8
1 Piece(s)	Available	8 Days or more	10	[Steel] 1045 Carbon Steel (Spurs are Induction Hardened)	-	with Machinable Pilot Bore	12	Standard Pilot Hole	None	S (Pilot Hole)	-