Sprockets-50B Series

SP50B
Sprockets/50B Series:Related Image
[ ! ] Offset between tooth tip and keyway is ±0.5mm.

BSP50B
Sprockets/50B Series:Related Image
[ ! ] Offset between tooth tip and keyway is ±0.5mm.
SSP50B
Sprockets/50B Series:Related Image
[ ! ] Offset between tooth tip and keyway is ±0.5mm.

Type[ M ] Material[ S ] Surface Treatment
SP50BS45C Equivalent
(Spurs are Induction Hardened)
-
BSP50BS45C Equivalent
(Spurs are Induction Hardened)
Black Oxide
SSP50BSUS304 Equivalent-
[ A ] Accessory: Set Screw
(Only for shaft bore specifications)

Specifications

Part NumberShaft Bore Specs.Shaft Bore Dia.
SP50B16N10
BSP50B16N10
SSP50B17S11
■Compatible Chain Selection Method >> P.1578
Technical Data of Mechanical Transmission Chain >> P.2243
Part NumberShaft Bore Specs.Shaft Bore Specs.(D)DpDoHGDLXZMass
(g)
Type  Number of TeethS SpecificationN Specification(H7)
NominalHub
Type
SP50B9S

N
10 16171819             46.425334292558.76.4200
101015161718192022           51.37584034270
1112151617181920222425         56.356445.538330
1212151617181920222425283032      61.34695044410
1312151617181920222425283032      66.34745149460
1412151617181920222425283032      71.3479527520
15121516171819202224252830323538    76.358457620
1614151617181920222425283032353840   81.378962720
1714151617181920222425283032353840   86.399467830
1814151617181920222425283032353840 45 91.42100722881000
1914151617181920222425283032353840 45 96.45105731100
2014151617181920222425283032353840 45 101.481101200
2114     20222425283032353840 45 106.51115
2216     20222425283032353840 45 111.551201300
2316     20222425283032353840 45 116.58125
2416     20222425283032353840 45 121.621301400
2516       2425283032353840 45 126.661351500
2616        25283032353840 45 131.7140
2816        25283032353840 45 141.791501600
3016        25283032353840 45 151.871611800
3216        25283032353840 45 161.961711900
3416        25283032353840 45 172.051812100
3516        25283032353840 45 177.11862200
■Compatible Chain Selection Method >> P.1578
Technical Data of Mechanical Transmission Chain >> P.2243
Part NumberShaft Bore Specs.Shaft Bore Specs.(D)DpDoHGDLXZMass
(g)
Type  Number of TeethS SpecificationN Specification(H7)
NominalHub
Type
BSP50B9N10 16171819             46.425334292558.76.4200
101015161718192022           51.37584034270
1112151617181920222425         56.356445.538330
1212151617181920222425283032      61.34695044410
1312151617181920222425283032      66.34745149460
1412151617181920222425283032      71.3479527520
15121516171819202224252830323538    76.358457620
1614151617181920222425283032353840   81.378962720
1714151617181920222425283032353840   86.399467830
1814151617181920222425283032353840 45 91.42100722881000
1914151617181920222425283032353840 45 96.45105731100
2014151617181920222425283032353840 45 101.481101200
2114     20222425283032353840 45 106.51115
2216     20222425283032353840 45 111.551201300
2316     20222425283032353840 45 116.58125
2416     20222425283032353840 45 121.621301400
2516       2425283032353840 45 126.661351500
2616        25283032353840 45 131.7140
2816        25283032353840 45 141.791501600
3016        25283032353840 45 151.871611800
3216        25283032353840 45 161.961711900
3416        25283032353840 45 172.051812100
3516        25283032353840 45 177.11862200

■Compatible Chain Selection Method >> P.1578
Technical Data of Mechanical Transmission Chain >> P.2243
Part NumberShaft Bore Specs.Shaft Bore Specs.(D)DpDoHGDLXZMass
(g)
Type  Number of TeethS SpecificationN Specification(H7)
NominalHub
Type
SSP50B10S

N
102022        51.375840342558.76.4270
111220222425      56.356445.539330
121220222425      61.34695044410
131220222425      66.34745149460
1412202224252830    71.3479527520
151220222425283032   76.358457620
161420222425283032 38 81.378962720
1714202224252830323538 86.399467830
18142022242528303235384091.42100722881000
19142022242528303235384096.45105731100
201420222425283032353840101.481101200
211420  25 30 35 40106.51115
221620  25 30 35 40111.551201300
231620  25 30 35  116.58125
241620  25 30 35  121.621301400
251620  25 30 35 40126.661351500
261620  25 30 35  131.7140
281620  25 30 35 40141.791501600
301620  25 30 35 40151.871611800
3216   25 30 35  161.961711900
3516   25 30 35  177.11862200

■Shaft Bore Machining Dimension Table
Shaft Bore Dia.
D
Keyway
b2 x t2
Set Screw
M
103x1.44
10K, 124x1.85
14~175x2.36
18~226x2.86
24~308x3.38
32~3810x3.38
40, 4212x3.38
45, 5014x3.810

[ ! ]Shaft Bore Sizes are different for the following products.
CombinationSet Screw
M
Nominal35, Number of Teeth17, Shaft Dia.256
Nominal40, Number of Teeth14, Shaft Dia.256
Nominal40, Number of Teeth15, Shaft Dia.306
Nominal50, Number of Teeth11~13, Shaft Dia.24 or more6

Part Number 

  • Incomplete part number.
    Please use left hand selections to complete a part number.
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Part Number
BSP50B9-N-[16,​17,​18,​19]
BSP50B10-N-[15,​16,​17,​18,​19,​20,​22]
BSP50B11-N-[15,​16,​17,​18,​19,​20,​22,​24,​25]
BSP50B12-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32]
BSP50B13-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32]
BSP50B14-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32]
BSP50B15-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38]
BSP50B16-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40]
BSP50B17-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40]
BSP50B18-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
BSP50B19-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
BSP50B20-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
BSP50B21-N-[20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
BSP50B22-N-[20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
BSP50B23-N-[20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
BSP50B24-N-[20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
BSP50B25-N-[24,​25,​28,​30,​32,​35,​38,​40,​45]
BSP50B26-N-[25,​28,​30,​32,​35,​38,​40,​45]
BSP50B28-N-[25,​28,​30,​32,​35,​38,​40,​45]
BSP50B30-N-[25,​28,​30,​32,​35,​38,​40,​45]
BSP50B32-N-[25,​28,​30,​32,​35,​38,​40,​45]
BSP50B34-N-[25,​28,​30,​32,​35,​38,​40,​45]
BSP50B35-N-[25,​28,​30,​32,​35,​38,​40,​45]
SP50B9-N-[16,​17,​18,​19]
SP50B9-S-10
SP50B10-N-[15,​16,​17,​18,​19,​20,​22]
SP50B10-S-10
SP50B11-N-[15,​16,​17,​18,​19,​20,​22,​24,​25]
SP50B11-S-12
SP50B12-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32]
SP50B12-S-12
SP50B13-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32]
SP50B13-S-12
SP50B14-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32]
SP50B14-S-12
SP50B15-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38]
SP50B15-S-12
SP50B16-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40]
SP50B16-S-14
SP50B17-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40]
SP50B17-S-14
SP50B18-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
SP50B18-S-14
SP50B19-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
SP50B19-S-14
SP50B20-N-[15,​16,​17,​18,​19,​20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
SP50B20-S-14
SP50B21-N-[20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
SP50B21-S-14
SP50B22-N-[20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
SP50B22-S-16
SP50B23-N-[20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
SP50B23-S-16
SP50B24-N-[20,​22,​24,​25,​28,​30,​32,​35,​38,​40,​45]
SP50B24-S-16
SP50B25-N-[24,​25,​28,​30,​32,​35,​38,​40,​45]
SP50B25-S-16
SP50B26-N-[25,​28,​30,​32,​35,​38,​40,​45]
SP50B26-S-16
SP50B28-N-[25,​28,​30,​32,​35,​38,​40,​45]
Part NumberVolume DiscountDays to ShipRoHSNumber of Teeth
(T)
Shaft Bore Dia. D (or d)
(mm)
Type Material Shaft Type Surface Treatment Bore Specification
7 Day(s) or more 6916 ~ 19Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 61015 ~ 22Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 61115 ~ 25Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 61215 ~ 32Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 61315 ~ 32Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 61415 ~ 32Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
11 Day(s) or more 61515 ~ 38Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 61615 ~ 40Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
11 Day(s) or more 61715 ~ 40Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 61815 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 61915 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
11 Day(s) or more 62015 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 62120 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 62220 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 62320 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 62420 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 62524 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
11 Day(s) or more 62625 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 62825 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 63025 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 63225 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 63425 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
7 Day(s) or more 63525 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableBlack OxideN (New JIS Key + Tap)
5 Day(s) or more 6916 ~ 19Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 69-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 61015 ~ 22Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 610-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 61115 ~ 25Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 611-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 61215 ~ 32Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 612-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 61315 ~ 32Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 613-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 61415 ~ 32Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 614-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 61515 ~ 38Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 615-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 61615 ~ 40Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 616-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 61715 ~ 40Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 617-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 61815 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 618-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 61915 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 619-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 62015 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 620-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 62120 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 621-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 62220 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 622-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 62320 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 623-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 62420 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 624-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 62524 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 625-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 62625 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)
Available 3 Day(s) or more 626-Pilot Bore Type[Steel] S45C (Induction Hardened Teeth Tip)Standard Pilot BoreNot ProvidedS (Pilot Bore)
5 Day(s) or more 62825 ~ 45Shaft Bore Machined Type[Steel] S45C (Induction Hardened Teeth Tip)Shaft Bore Machining ConfigurableNot ProvidedN (New JIS Key + Tap)

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Basic Information

Sprocket Shape Shape B Nominal 50 Number of Strands Single Strand
Chain Type RS

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