Sprockets / 50B Series (BSP50B20-N-18)

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MISUMI

Product Details:

Manufacturer part number: BSP50B20-N-18

Brand: MISUMI

Price: Please contact the support for quotation

Delivery time: 12 Days

Technical Data:

Number of Teeth: 20 T

Shaft Bore Dia. D (or d): 18 mm

Type: Shaft Bore Machined Type

Material: [Steel] EN 1.1191 Equiv. (Spurs are Induction Hardened)

Shaft Type: Shaft Bore Machining Configurable

Part Number

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BSP50B20-N-18

Drawing / Specifications
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Part Numbers
Catalog

Type	Material	Surface Treatment
SP50B	EN 1.1191 Equiv. (Induction Hardened Teeth Tip)	-
BSP50B	EN 1.1191 Equiv. (Induction Hardened Teeth Tip)	Black Oxide
SSP50B	EN 1.4301 Equiv.	-

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

Specifications

Part Number	-	Bore Specification	-	Shaft Bore Dia.
SP50B16 SSP50B18	- -	N S	- -	25 14

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)
SP50B	9	S N	10		16*	17	18	19												46.42	53	34	29	25	5	200
	10		10	15*	16	17	18	19	20*	22*										51.37	58	40	34			270
	11		12	15	16	17	18	19	20*	22	24	25*								56.35	64	45.5	38			330
	12		12	15*	16	17	18	19	20*	22	24	25*	28*	30*	32					61.34	69	50	44			410
	13		12	15*	16	17	18	19	20	22	24	25*	28*	30*	32					66.34	74	51	49			460
	14		12	15*	16	17	18	19	20*	22	24	25*	28	30*	32					71.34	79	52	-		7	520
	15		12	15	16	17*	18	19	20*	22	24	25*	28*	30*	32*	35*	38			76.35	84	57				620
	16		14	15	16	17	18*	19	20*	22	24	25*	28*	30*	32	35*	38	40*		81.37	89	62				720
	17		14	15	16	17	18*	19	20	22	24	25*	28	30*	32	35	38	40		86.39	94	67				830
	18		14	15	16	17	18	19	20*	22*	24	25*	28*	30*	32	35	38	40*	45*	91.42	100	72		28	8	1000
	19		14	15	16	17	18	19	20	22	24	25	28	30*	32	35*	38	40	45	96.45	105	73				1100
	20		14	15	16	17	18	19	20*	22*	24	25*	28*	30*	32	35*	38	40*	45	101.48	110					1200
	21		14						20	22	24	25	28	30*	32	35	38	40	45	106.51	115					1200
	22		16						20*	22	24	25	28	30	32	35	38	40	45	111.55	120					1300
	23		16						20	22	24	25	28	30*	32	35	38	40	45	116.58	125					1300
	24		16						20*	22	24	25*	28	30*	32*	35	38	40	45	121.62	130					1400
	25		16								24	25	28	30*	32	35	38	40	45	126.66	135					1500
	26		16									25	28	30	32	35	38	40	45	131.7	140					1500		-
	28		16									25*	28	30	32	35	38	40	45	141.79	150					1600
	30		16									25	28	30*	32	35*	38*	40	45	151.87	161					1800
	32		16									25	28	30	32	35	38	40	45	161.96	171					1900		-
	34		16									25	28	30	32	35	38	40	45	172.05	181					2100		-
	35		16									25	28	30	32	35	38	40	45	177.1	186					2200		-
BSP50B (BSP is not compliant with S Spec.)	9	N	-		16	17	18	19												46.42	53	34	29	25	5	200	-	-
	10			15	16	17	18	19	20	22										51.37	58	40	34			270	-	-
	11			15	16	17	18	19	20	22	24	25								56.35	64	45.5	38			330	-	-
	12			15	16	17	18	19	20	22	24	25	28	30	32					61.34	69	50	44			410	-	-
	13			15*	16	17*	18	19	20	22	24	25	28	30	32					66.34	74	51	49			460	-
	14			15	16	17	18	19	20	22	24	25	28	30	32					71.34	79	52	-		7	520	-	-
	15			15	16	17	18	19	20	22	24	25	28	30	32	35	38			76.35	84	57				620	-	-
	16			15	16	17	18	19	20	22	24	25*	28	30	32	35	38	40		81.37	89	62				720	-
	17			15	16	17	18	19	20	22	24	25	28	30	32	35	38	40		86.39	94	67				830	-	-
	18			15	16	17	18	19	20	22	24	25	28*	30	32	35	38	40	45	91.42	100	72		28	8	1000	-
	19			15	16	17	18	19	20	22	24	25	28	30	32	35	38	40	45	96.45	105	73				1100	-	-
	20			15	16	17	18	19	20	22	24	25	28	30	32	35	38	40	45	101.48	110					1200	-	-
	21								20	22	24	25	28	30	32	35	38	40	45	106.51	115					1200	-	-
	22								20	22	24	25	28	30	32	35	38	40	45	111.55	120					1300	-	-
	23								20	22	24	25	28	30	32	35	38	40	45	116.58	125					1300	-	-
	24								20	22	24	25	28	30	32	35	38	40	45	121.62	130					1400	-	-
	25										24	25	28	30	32	35	38	40	45	126.66	135					1500	-	-
	26											25	28	30	32	35	38	40	45	131.7	140					1500	-	-
	28											25	28	30	32	35	38	40	45	141.79	150					1600	-	-
	30											25	28	30	32	35	38	40	45	151.87	161					1800	-	-
	32											25	28	30	32	35	38	40	45	161.96	171					1900	-	-
	34											25	28	30	32	35	38	40	45	172.05	181					2100	-	-
	35											25	28	30	32	35	38	40	45	177.1	186					2200	-	-
SSP50B	10	S N	10						20*	22										51.37	58	40	34	25	5	270
	11		12						20	22	24	25								56.35	64	45.5	39			330		-
	12		12						20	22	24	25								61.34	69	50	44			410		-
	13		12						20	22	24	25								66.34	74	51	49			460		-
	14		12						20	22	24	25	28	30						71.34	79	52	-		7	520		-
	15		12						20	22	24	25	28	30	32					76.35	84	57				620		-
	16		14						20	22	24	25	28	30	32		38			81.37	89	62				720		-
	17		14						20	22	24	25	28	30	32	35	38			86.39	94	67				830		-
	18		14						20	22	24	25*	28	30	32	35	38	40		91.42	100	72		28	8	1000
	19		14						20	22	24	25	28	30	32	35	38	40		96.45	105	73				1100		-
	20		14						20	22	24	25	28	30	32	35	38	40		101.48	110					1200		-
	21		14						20			25		30		35		40		106.51	115					1200		-
	22		16						20			25		30		35		40		111.55	120					1300		-
	23		16						20			25		30		35				116.58	125					1300		-
	24		16						20			25		30		35				121.62	130					1400		-
	25		16						20			25		30		35		40		126.66	135					1500		-
	26		16						20			25		30		35				131.7	140					1500		-
	28		16						20			25		30		35		40		141.79	150					1600		-
	30		16						20			25		30		35		40		151.87	161					1800		-
	32		16									25		30		35				161.96	171					1900		-
	35		16									25		30		35				177.1	186					2200		-

For the Number of Teeth: 11~13 and the Shaft Dia.: 24mm or less, the M6 set screw is applicable.

■Shaft Bore Specifications

Shaft Bore Dia. D	Keyway b₂xt₂	Set Screw M
15~17	5x2.3	6
18~22	6x2.8	6
24~30	8x3.3	8
32~38	10x3.3	8
40	12x3.3	8
45	14x3.8	10

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Part Number
BSP50B20-N-18

Part Number	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
	1		12 Days	10	20	18	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	50	Number of Tracks	Single Row
Chain Type	RS

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Basic Attributes

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
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
Type
- BSP50B
- SP50B
- SSP50B
Clear
Shaft Bore Dia. D (or d)(mm)
15

16

17

18

19

20

22

24

25

28

30

32

35

38

40

45
Clear
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