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Sprockets-25B Series

Sprockets-25B Series
  • Volume Discount

MISUMI

MISUMI

In addition to the shaft hole machined type, we also offer shaft hole rough machined products (S specification) that allow for free additional machining.

(i)Caution

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

PDFP.1-1537-2014

Part Number

Configured Part Number is shown.

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 Number−Shaft Bore Specs.−Shaft Bore Dia.
SP25B16−N−10
SSP25B16−S−11

■Compatible Chain Selection Method >> P.1578
Technical Data of Mechanical Transmission Chain >> P.2243
Part NumberShaft Bore Specs.Shaft Bore Specs. (D)DpDoHGDLℓXZMass
(g)
Type  Number of TeethS SpecificationN Specification(H7)
NominalHub
Type
SP25B16S

N		91010K12               32.553625−1562.8−60
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)DpDoHGDLℓXZMass
(g)
Type  Number of TeethS SpecificationN Specification(H7)
NominalHub
Type
SSP25B16S

N		910            32.553621−1662.8−60
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
10K4x1.84
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 

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CAD Download

30
45
60
  1. 1
Part Number
SP25B16-N-10K
SP25B17-N-10K
SP25B18-N-10K
SP25B19-N-10K
SP25B20-N-10K
SP25B21-N-10K
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSNumber of Teeth
(T) 		Shaft Bore Dia. D (or d)
(mm) 		Material Type Shaft Type Bore Specification Keyway b2 x t2

MYR 35.15

1 Piece(s)Available 2 Day(s) or more 101610K[Steel] S45C EquivalentShaft Bore Machined TypeShaft Bore Machining ConfigurableN (New JIS Key + Tap)4 x 1.8

MYR 36.37

1 Piece(s)Available 2 Day(s) or more 101710K[Steel] S45C EquivalentShaft Bore Machined TypeShaft Bore Machining ConfigurableN (New JIS Key + Tap)4 x 1.8

MYR 38.79

1 Piece(s)Available 2 Day(s) or more 101810K[Steel] S45C EquivalentShaft Bore Machined TypeShaft Bore Machining ConfigurableN (New JIS Key + Tap)4 x 1.8

MYR 38.79

1 Piece(s)Available 2 Day(s) or more 101910K[Steel] S45C EquivalentShaft Bore Machined TypeShaft Bore Machining ConfigurableN (New JIS Key + Tap)4 x 1.8

MYR 42.44

1 Piece(s)Available 2 Day(s) or more 102010K[Steel] S45C EquivalentShaft Bore Machined TypeShaft Bore Machining ConfigurableN (New JIS Key + Tap)4 x 1.8

MYR 46.07

1 Piece(s)Available 4 Day(s) or more 102110K[Steel] S45C EquivalentShaft Bore Machined TypeShaft Bore Machining ConfigurableN (New JIS Key + Tap)4 x 1.8

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  1. 1
 

Basic Information

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

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Specification/Dimensions

  • Number of Teeth(T)

    • 16
    • 17
    • 18
    • 19
    • 20
    • 21
    • 22
    • 23
    • 24
    • 25
    • 26
    • 28
    • 30
    • 32
    • 34
    • 35
    • 36
    • 38
    • 40

    Clear

  • Material

    • Steel
      • S45C Equivalent
    • Stainless Steel
      • SUS304 Equivalent

    Clear

  • Type

    • Pilot Bore Type
    • Shaft Bore Machined Type

    Clear

  • Shaft Type

    • Standard Pilot Bore
    • Shaft Bore Machining Configurable

    Clear

  • Bore Specification

    • N (New JIS Key + Tap)
    • S (Pilot Bore)

    Clear

  • type

    • SP25B
    • SSP25B

    Clear

  • Shaft Bore Dia. D (or d)(mm)

    • 10
    • 10K
    • 12
    • 15
    • 16
    • 20

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • 2 Day(s) or Less
    • 4 Day(s) or Less
    • 8 Day(s) or Less

    Clear

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