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Sprockets-25B Series

SP25B
Sprockets/25B Series:Related Image

[ ! ]Offset between tooth tip and keyway is ±0.5mm.

SSP25B
Sprockets/25B Series:Related Image

[ ! ]Offset between tooth tip and keyway is ±0.5mm.

Type[ M ]Material
SP25BS45C Equivalent
(Spurs are Induction Hardened)
SSP25BSUS304 Equivalent
[ A ] Accessory: Set Screw
(Only for shaft bore specifications Ⓝ)
[ ! ]SP25B Series Spurs are not Induction Hardened.

Specifications

Part NumberShaft Bore Specs.Shaft Bore Dia.
SP25B16N10
SSP25B16S11

■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
SP25B16S

N
91010K12               32.5536251562.860
1791010K12               34.563870
1891010K12               36.5740
1991010K12               38.58422890
2091010K12               40.5944
2191010K12               42.6146100
229  12 15             44.624830110
239  12 15             46.6350120
249  12 15             48.6552140
259  12 1516            50.665435
269  12 1516            52.6856
289  12 1516            56.7160150
309  12 1516            60.7564160
3210    1516   20        64.786840208200
3410    1516   20        68.8272210
3510    1516   20        70.8474
3610    1516   20        72.8676220
3810    1516   20        76.980260
4010    1516   20        80.9384270

■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
SSP25B16S

N
910            32.5536211662.860
17910           34.56382370
18910            36.574025
1991012           38.58422690
20910 12           40.594428
219 1215          42.614630187100
229 1215          44.6248110
239 1215         46.6350120
249 1215         48.6552140
259 12 15         50.6654
269 1215         52.6856
289 1215         56.7160150
309 1215         60.7564160
3210 1215          64.78688200

■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
SP25B16-N-10K
SP25B16-N-[10,​12]
SP25B16-S-9
SP25B17-N-10K
SP25B17-N-[10,​12]
SP25B17-S-9
SP25B18-N-10K
SP25B18-N-[10,​12]
SP25B18-S-9
SP25B19-N-10K
SP25B19-N-[10,​12]
SP25B19-S-9
SP25B20-N-10K
SP25B20-N-[10,​12]
SP25B20-S-9
SP25B21-N-10K
SP25B21-N-[10,​12]
SP25B21-S-9
SP25B22-N-[12,​15]
SP25B22-S-9
SP25B23-N-[12,​15]
SP25B23-S-9
SP25B24-N-[12,​15]
SP25B24-S-9
SP25B25-N-[12,​15,​16]
SP25B25-S-9
SP25B26-N-[12,​15,​16]
SP25B26-S-9
SP25B28-N-[12,​15,​16]
SP25B28-S-9
SP25B30-N-[12,​15,​16]
SP25B30-S-9
SP25B32-N-[15,​16,​20]
SP25B32-S-10
SP25B34-N-[15,​16,​20]
SP25B34-S-10
SP25B35-N-[15,​16,​20]
SP25B35-S-10
SP25B36-N-[15,​16,​20]
SP25B36-S-10
SP25B38-N-[15,​16,​18,​20]
SP25B38-S-10
SP25B40-N-[15,​16,​18,​20]
SP25B40-S-10
SSP25B16-N-10
SSP25B16-S-9
SSP25B17-N-10
SSP25B17-S-9
SSP25B18-N-10
SSP25B18-S-9
SSP25B19-N-[10,​12]
SSP25B19-S-9
SSP25B20-N-[10,​12]
SSP25B20-S-9
SSP25B21-N-[12,​15]
SSP25B21-S-9
SSP25B22-N-[12,​15]
SSP25B22-S-9
SSP25B23-N-[12,​15]
SSP25B23-S-9
Part NumberVolume DiscountDays to ShipRoHSNumber of Teeth
(T)
Shaft Bore Dia. D (or d)
(mm)
Type Material Shaft Type Bore Specification Keyway b2 x t2
Available 3 Day(s) or more Compliant1610KShaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)4 x 1.8
5 Day(s) or more Compliant1610 ~ 12Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant16-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
Available 3 Day(s) or more Compliant1710KShaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)4 x 1.8
5 Day(s) or more Compliant1710 ~ 12Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant17-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
Available 3 Day(s) or more Compliant1810KShaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)4 x 1.8
5 Day(s) or more Compliant1810 ~ 12Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant18-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
Available 3 Day(s) or more Compliant1910KShaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)4 x 1.8
5 Day(s) or more Compliant1910 ~ 12Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant19-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
Available 3 Day(s) or more Compliant2010KShaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)4 x 1.8
5 Day(s) or more Compliant2010 ~ 12Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant20-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
Available 5 Day(s) or more Compliant2110KShaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)4 x 1.8
5 Day(s) or more Compliant2110 ~ 12Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant21-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant2212 ~ 15Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant22-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant2312 ~ 15Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant23-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant2412 ~ 15Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant24-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant2512 ~ 16Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant25-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
9 Day(s) or more Compliant2612 ~ 16Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant26-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant2812 ~ 16Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant28-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant3012 ~ 16Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant30-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant3215 ~ 20Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant32-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant3415 ~ 20Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant34-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant3515 ~ 20Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant35-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant3615 ~ 20Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant36-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
9 Day(s) or more Compliant3815 ~ 20Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant38-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant4015 ~ 20Shaft Bore Machined Type[Steel] S45C EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant40-Pilot Bore Type[Steel] S45C EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant1610Shaft Bore Machined Type[Stainless Steel] SUS304 EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant16-Pilot Bore Type[Stainless Steel] SUS304 EquivalentStandard Pilot BoreS (Pilot Bore)-
9 Day(s) or more Compliant1710Shaft Bore Machined Type[Stainless Steel] SUS304 EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant17-Pilot Bore Type[Stainless Steel] SUS304 EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant1810Shaft Bore Machined Type[Stainless Steel] SUS304 EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant18-Pilot Bore Type[Stainless Steel] SUS304 EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant1910 ~ 12Shaft Bore Machined Type[Stainless Steel] SUS304 EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant19-Pilot Bore Type[Stainless Steel] SUS304 EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant2010 ~ 12Shaft Bore Machined Type[Stainless Steel] SUS304 EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant20-Pilot Bore Type[Stainless Steel] SUS304 EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant2112 ~ 15Shaft Bore Machined Type[Stainless Steel] SUS304 EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant21-Pilot Bore Type[Stainless Steel] SUS304 EquivalentStandard Pilot BoreS (Pilot Bore)-
9 Day(s) or more Compliant2212 ~ 15Shaft Bore Machined Type[Stainless Steel] SUS304 EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant22-Pilot Bore Type[Stainless Steel] SUS304 EquivalentStandard Pilot BoreS (Pilot Bore)-
5 Day(s) or more Compliant2312 ~ 15Shaft Bore Machined Type[Stainless Steel] SUS304 EquivalentShaft Bore Machining ConfigurableN (New JIS Key + Tap)-
Available 5 Day(s) or more Compliant23-Pilot Bore Type[Stainless Steel] SUS304 EquivalentStandard Pilot BoreS (Pilot Bore)-

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Basic Information

Sprocket Shape Shape B Nominal 25 Number of Strands Single Strand
Chain Type RS Surface Treatment Not Provided

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