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Timing pulley S8M type (Part Numbers)

Timing pulley S8M type

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  • Volume Discount

MITSUBOSHI_BELT

MITSUBOSHI_BELT

Easily specify shaft bore type and diameter. MISUMI drills the holes of Mitsuboshi Belting pulleys without requiring drawings and delivers them.

(i)Caution

  • MISUMI does not support custom orders.
  • Workpieces with shaft bore processing are delivered with the flange caulked. Pilot hole products are delivered without caulking the flange.
    We do not sell flanges as single items.
  • The product images are representative only. Specifications may vary depending on the part number.

PDF

Japanese Only

Part Number

Configured Part Number is shown.

INDEX

Drawing

Technical Information & Formulas

Basic Product Specifications and Features



 
 

Drawing

Standard tooth profile

Standard tooth profile

Standard pulley shape
Basic specifications of timing pulley S8M type

Standard pulley shape
 

Pulley dimension table specified by standard pulley width

Nominal widthBelt width in use
(mm)		Pulley width
LA(mm)		Overall Width
LB (mm)		Overall Width
LW (mm)		Face Width
W (mm)		Flange Step Width
H (mm)		Undercut Depth
G (mm)
0150152440 teeth or fewer: 3947173.5(7)
44 teeth or more: 44
0250253540 teeth or fewer: 505828(12)
44 teeth or more: 55
*1 0300304040 teeth or fewer: 55-33-
44 teeth or more: 60
0400405140 teeth or fewer: 667444(17.5)
44 teeth or more: 71
*2 0600607240 teeth or fewer: 879565(26)
44 teeth or more: 92
  • *1 For belt width 30 mm, only steel materials with 60 teeth or fewer are available in the lineup.
  • *2 For belt width 60 mm, the lineup is available only from 26 teeth.

Pulley dimension table specified by standard number of pulley teeth

Number of pulley teethPulley shapeMaterialPitch diameter
PD (mm)		Outer diameter
OD (mm)		Hub width
K (mm)		Hub diameter
D (mm)		Shaft hole diameter d (mm)Keyway diameter
E (mm)		Compatible flange size
MinmaxThicknessFM
18 *1A/BSteel45.8444.4615321220-F-235436
19 *148.3847.01351222F-235739
2050.9349.56361222F-236040
2153.4852.10401224F-236244
2256.0254.65411225F-236545
2461.1259.74461228F-237050
2563.6662.29481629F-237252
2666.2164.84511630F-237555
2871.3069.93551634F-238060
3076.3975.02601636F-238565
3281.4980.126516 (20)38F-239070
3486.5885.217016 (20)42F-239575
3691.6790.307516 (20)45F-2310080
3896.7795.398020 (20)48F-2310585
40101.86100.498520 (25)50F-2311090
44112.05110.67209020 (25)56F-23121101
48122.23120.8610020 (25)62F-23131111
50127.32125.9510020 (25)62F-23136116
60152.79151.4210020 (25)62F-23161141

W shape Standard Stock & Made-to-Order Product Compatibility Table

-Belt width in use
15 mm25 mm40 mm60 mm
Number of teeth72 Standard stock item Standard stock item Standard stock item Standard stock item
84Made-to-order item Standard stock item Standard stock item Standard stock item
96Made-to-order item Standard stock item Standard stock item Standard stock item
120Made-to-order item Standard stock item Standard stock item Standard stock item
144Made-to-order itemMade-to-order itemMade-to-order itemMade-to-order item


Shaft Bore Specification Table

[ ! ]No tapped holes or set screws.
   
 
[ ! ]For Shape A pulley,
   the screw holes are set at around 120°
   to keep away from peaks.
      
[ ! ]No tapped holes or set screws.
   
   
[ ! ]For Shape A pulley,
   the screw holes are set at around 120°
   to keep away from peaks.


[ ! ]No tapped holes or set screws.
   
     
[ ! ]B type only compatible
[ ! ]No tapped holes or set screws.
      
[ ! ]A type only compatible
[ ! ]No tapped holes or set screws.

[ ! ]Q - Y (d) ≥ 2
[ ! ]R - Y (d) ≥ 2
     
[ ! ]A type only compatible
[ ! ]No tapped holes or set screws.

[ ! ]Q - R ≥ 2
[ ! ]R - WB (d) ≥ 2
 
 Number of teeth, tooth profile, nominal width, pulley shape—Surface treatment—Shaft Bore Specifications – Inner Diameter—Z—J—Q—R—S—T
(Shaft bore specification: H/T/P/TK/N/K/C)P20S8M0150B—BL—T-12            
(Shaft Bore Specification: V, F)P25S8M150B—NA—V-15—Z18—J18        
(Shaft Bore Specification: Y, WB)P50S8M0150A—NI—Y-50    —Q58—R58—S8—T10
Number of teethTooth profileNominal widthPulley
Shape		Surface treatmentPulley shape
AB, W
Shaft Bore Specification: 1 mm Increments / SelectionShaft Bore Specification: 1 mm Increments / Selection
H (d)
Round Hole		P (d)·
T (d)
Round hole +
Tapped hole		K (d)
Keyway·
N (d)·
TK (d)
Keyway
+
tapped		C (d)
Keyway
+
tapped		V
Stepped hole		Y
Both Sides Stepped Hole·		WB
Two-stepped
Hole		H (d)
Round Hole		P (d)·
T (d)
Round hole +
Tapped hole		K (d)
Keyway·N (d)·
TK (d)
Keyway
+
tapped		C (d)
Keyway
+
tapped		V, F
Stepped hole
V (d)Z
Z-d ≥ 2		J
(0.1
mm
increments)		Y (d),
WB (d)		Q, RS· T
(0.1
mm
increments)		V (d)·
F (d)		Z
Z-d ≥ 2		J
(0.1
mm
increments)
P18S8M0150

0200

0300		A

B		NA
(base material)

BL
(black oxide coating)

NI
(Electroless nickel plating)		12-2012-2012-2012-2012 to 2814 to 303.0 ≤
J ≤
LA-3.0		12 to 2814 to 30S+T
≤
LA-3		12-2012-2012-2012-2012 to 2414 to 263.0 ≤
J ≤
LB-3.0
1912 to 2212 to 2212 to 2212-2012 to 3114 to 33

Part Number 

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Part Number
P18S8M0150A
P18S8M0150A-H-12
P18S8M0150A-H-13
P18S8M0150A-H-14
P18S8M0150A-H-15
P18S8M0150A-H-16
P18S8M0150A-H-17
P18S8M0150A-H-18
P18S8M0150A-H-19
P18S8M0150A-H-20
P18S8M0150A-N-12
P18S8M0150A-N-13
P18S8M0150A-N-14
P18S8M0150A-N-15
P18S8M0150A-N-16
P18S8M0150A-N-17
P18S8M0150A-N-18
P18S8M0150A-N-19
P18S8M0150A-N-20
P18S8M0150A-P-12
P18S8M0150A-P-13
P18S8M0150A-P-14
P18S8M0150A-P-15
P18S8M0150A-P-16
P18S8M0150A-P-17
P18S8M0150A-P-18
P18S8M0150A-P-19
P18S8M0150A-P-20
P18S8M0150B
P18S8M0150B-H-12
P18S8M0150B-H-13
P18S8M0150B-H-14
P18S8M0150B-H-15
P18S8M0150B-H-16
P18S8M0150B-H-17
P18S8M0150B-H-18
P18S8M0150B-H-19
P18S8M0150B-H-20
P18S8M0150B-N-12
P18S8M0150B-N-13
P18S8M0150B-N-14
P18S8M0150B-N-15
P18S8M0150B-N-16
P18S8M0150B-N-17
P18S8M0150B-N-18
P18S8M0150B-N-19
P18S8M0150B-N-20
P18S8M0150B-P-12
P18S8M0150B-P-13
P18S8M0150B-P-14
P18S8M0150B-P-15
P18S8M0150B-P-16
P18S8M0150B-P-17
P18S8M0150B-P-18
P18S8M0150B-P-19
P18S8M0150B-P-20
P18S8M0250A
P18S8M0250A-H-12
P18S8M0250A-H-13
P18S8M0250A-H-14
P18S8M0250A-H-15
P18S8M0250A-H-16
P18S8M0250A-H-17
P18S8M0250A-H-18
P18S8M0250A-H-19
P18S8M0250A-H-20
P18S8M0250A-N-12
P18S8M0250A-N-13
P18S8M0250A-N-14
P18S8M0250A-N-15
P18S8M0250A-N-16
P18S8M0250A-N-17
P18S8M0250A-N-18
P18S8M0250A-N-19
P18S8M0250A-N-20
P18S8M0250A-P-12
P18S8M0250A-P-13
P18S8M0250A-P-14
P18S8M0250A-P-15
P18S8M0250A-P-16
P18S8M0250A-P-17
P18S8M0250A-P-18
P18S8M0250A-P-19
P18S8M0250A-P-20
P18S8M0250B
P18S8M0250B-H-12
P18S8M0250B-H-13
P18S8M0250B-H-14
P18S8M0250B-H-15
P18S8M0250B-H-16
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSBelt Width Used (mm)
(mm) 		No. of Teeth
(T) 		Pulley Shape Outermost diameter
(mm) 		Shaft Bore Dia. d
(mm) 		Shaft hole specifications

MYR 146.74

1 Piece(s)Available 14 Day(s) or more -1518A54-NA

MYR 213.85

1 Piece(s)Available 14 Day(s) or more -1518A5412H (round hole)

MYR 213.85

1 Piece(s)Available 14 Day(s) or more -1518A5413H (round hole)

MYR 213.85

1 Piece(s)Available 14 Day(s) or more -1518A5414H (round hole)

MYR 213.85

1 Piece(s)Available 14 Day(s) or more -1518A5415H (round hole)

MYR 213.85

1 Piece(s)Available 14 Day(s) or more -1518A5416H (round hole)

MYR 213.85

1 Piece(s)Available 14 Day(s) or more -1518A5417H (round hole)

MYR 213.85

1 Piece(s)Available 14 Day(s) or more -1518A5418H (round hole)

MYR 213.85

1 Piece(s)Available 14 Day(s) or more -1518A5419H (round hole)

MYR 213.85

1 Piece(s)Available 14 Day(s) or more -1518A5420H (round hole)

MYR 243.39

1 Piece(s)Available 14 Day(s) or more -1518A5412N (New JIS keyway hole + tapping)

MYR 243.39

1 Piece(s)Available 14 Day(s) or more -1518A5413N (New JIS keyway hole + tapping)

MYR 243.39

1 Piece(s)Available 14 Day(s) or more -1518A5414N (New JIS keyway hole + tapping)

MYR 243.39

1 Piece(s)Available 14 Day(s) or more -1518A5415N (New JIS keyway hole + tapping)

MYR 243.39

1 Piece(s)Available 14 Day(s) or more -1518A5416N (New JIS keyway hole + tapping)

MYR 243.39

1 Piece(s)Available 14 Day(s) or more -1518A5417N (New JIS keyway hole + tapping)

MYR 243.39

1 Piece(s)Available 14 Day(s) or more -1518A5418N (New JIS keyway hole + tapping)

MYR 243.39

1 Piece(s)Available 14 Day(s) or more -1518A5419N (New JIS keyway hole + tapping)

MYR 243.39

1 Piece(s)Available 14 Day(s) or more -1518A5420N (New JIS keyway hole + tapping)

MYR 234.95

1 Piece(s)Available 14 Day(s) or more -1518A5412P (round hole + tap)

MYR 234.95

1 Piece(s)Available 14 Day(s) or more -1518A5413P (round hole + tap)

MYR 234.95

1 Piece(s)Available 14 Day(s) or more -1518A5414P (round hole + tap)

MYR 234.95

1 Piece(s)Available 14 Day(s) or more -1518A5415P (round hole + tap)

MYR 234.95

1 Piece(s)Available 14 Day(s) or more -1518A5416P (round hole + tap)

MYR 234.95

1 Piece(s)Available 14 Day(s) or more -1518A5417P (round hole + tap)

MYR 234.95

1 Piece(s)Available 14 Day(s) or more -1518A5418P (round hole + tap)

MYR 234.95

1 Piece(s)Available 14 Day(s) or more -1518A5419P (round hole + tap)

MYR 234.95

1 Piece(s)Available 14 Day(s) or more -1518A5420P (round hole + tap)

MYR 213.46

1 Piece(s) 9 Day(s) or more 101518B54-NA

MYR 242.40

1 Piece(s)Available 14 Day(s) or more -1518B5412H (round hole)

MYR 242.40

1 Piece(s)Available 14 Day(s) or more -1518B5413H (round hole)

MYR 242.40

1 Piece(s)Available 14 Day(s) or more -1518B5414H (round hole)

MYR 242.40

1 Piece(s)Available 14 Day(s) or more -1518B5415H (round hole)

MYR 242.40

1 Piece(s)Available 14 Day(s) or more -1518B5416H (round hole)

MYR 242.40

1 Piece(s)Available 14 Day(s) or more -1518B5417H (round hole)

MYR 242.40

1 Piece(s)Available 14 Day(s) or more -1518B5418H (round hole)

MYR 242.40

1 Piece(s)Available 14 Day(s) or more -1518B5419H (round hole)

MYR 242.40

1 Piece(s)Available 14 Day(s) or more -1518B5420H (round hole)

MYR 271.93

1 Piece(s)Available 14 Day(s) or more -1518B5412N (New JIS keyway hole + tapping)

MYR 271.93

1 Piece(s)Available 14 Day(s) or more -1518B5413N (New JIS keyway hole + tapping)

MYR 271.93

1 Piece(s)Available 14 Day(s) or more -1518B5414N (New JIS keyway hole + tapping)

MYR 271.93

1 Piece(s)Available 14 Day(s) or more -1518B5415N (New JIS keyway hole + tapping)

MYR 271.93

1 Piece(s)Available 14 Day(s) or more -1518B5416N (New JIS keyway hole + tapping)

MYR 271.93

1 Piece(s)Available 14 Day(s) or more -1518B5417N (New JIS keyway hole + tapping)

MYR 271.93

1 Piece(s)Available 14 Day(s) or more -1518B5418N (New JIS keyway hole + tapping)

MYR 271.93

1 Piece(s)Available 14 Day(s) or more -1518B5419N (New JIS keyway hole + tapping)

MYR 271.93

1 Piece(s)Available 14 Day(s) or more -1518B5420N (New JIS keyway hole + tapping)

MYR 263.49

1 Piece(s)Available 14 Day(s) or more -1518B5412P (round hole + tap)

MYR 263.49

1 Piece(s)Available 14 Day(s) or more -1518B5413P (round hole + tap)

MYR 263.49

1 Piece(s)Available 14 Day(s) or more -1518B5414P (round hole + tap)

MYR 263.49

1 Piece(s)Available 14 Day(s) or more -1518B5415P (round hole + tap)

MYR 263.49

1 Piece(s)Available 14 Day(s) or more -1518B5416P (round hole + tap)

MYR 263.49

1 Piece(s)Available 14 Day(s) or more -1518B5417P (round hole + tap)

MYR 263.49

1 Piece(s)Available 14 Day(s) or more -1518B5418P (round hole + tap)

MYR 263.49

1 Piece(s)Available 14 Day(s) or more -1518B5419P (round hole + tap)

MYR 263.49

1 Piece(s)Available 14 Day(s) or more -1518B5420P (round hole + tap)

MYR 218.81

1 Piece(s)Available 9 Day(s) or more 102518A54-NA

MYR 247.82

1 Piece(s)Available 14 Day(s) or more -2518A5412H (round hole)

MYR 247.82

1 Piece(s)Available 14 Day(s) or more -2518A5413H (round hole)

MYR 247.82

1 Piece(s)Available 14 Day(s) or more -2518A5414H (round hole)

MYR 247.82

1 Piece(s)Available 14 Day(s) or more -2518A5415H (round hole)

MYR 247.82

1 Piece(s)Available 14 Day(s) or more -2518A5416H (round hole)

MYR 247.82

1 Piece(s)Available 14 Day(s) or more -2518A5417H (round hole)

MYR 247.82

1 Piece(s)Available 14 Day(s) or more -2518A5418H (round hole)

MYR 247.82

1 Piece(s)Available 14 Day(s) or more -2518A5419H (round hole)

MYR 247.82

1 Piece(s)Available 14 Day(s) or more -2518A5420H (round hole)

MYR 277.37

1 Piece(s)Available 14 Day(s) or more -2518A5412N (New JIS keyway hole + tapping)

MYR 277.37

1 Piece(s)Available 14 Day(s) or more -2518A5413N (New JIS keyway hole + tapping)

MYR 277.37

1 Piece(s)Available 14 Day(s) or more -2518A5414N (New JIS keyway hole + tapping)

MYR 277.37

1 Piece(s)Available 14 Day(s) or more -2518A5415N (New JIS keyway hole + tapping)

MYR 277.37

1 Piece(s)Available 14 Day(s) or more -2518A5416N (New JIS keyway hole + tapping)

MYR 277.37

1 Piece(s)Available 14 Day(s) or more -2518A5417N (New JIS keyway hole + tapping)

MYR 277.37

1 Piece(s)Available 14 Day(s) or more -2518A5418N (New JIS keyway hole + tapping)

MYR 277.37

1 Piece(s)Available 14 Day(s) or more -2518A5419N (New JIS keyway hole + tapping)

MYR 277.37

1 Piece(s)Available 14 Day(s) or more -2518A5420N (New JIS keyway hole + tapping)

MYR 268.93

1 Piece(s)Available 14 Day(s) or more -2518A5412P (round hole + tap)

MYR 268.93

1 Piece(s)Available 14 Day(s) or more -2518A5413P (round hole + tap)

MYR 268.93

1 Piece(s)Available 14 Day(s) or more -2518A5414P (round hole + tap)

MYR 268.93

1 Piece(s)Available 14 Day(s) or more -2518A5415P (round hole + tap)

MYR 268.93

1 Piece(s)Available 14 Day(s) or more -2518A5416P (round hole + tap)

MYR 268.93

1 Piece(s)Available 14 Day(s) or more -2518A5417P (round hole + tap)

MYR 268.93

1 Piece(s)Available 14 Day(s) or more -2518A5418P (round hole + tap)

MYR 268.93

1 Piece(s)Available 14 Day(s) or more -2518A5419P (round hole + tap)

MYR 268.93

1 Piece(s)Available 14 Day(s) or more -2518A5420P (round hole + tap)

MYR 253.42

1 Piece(s)Available 6 Day(s) or more 102518B54-NA

MYR 281.52

1 Piece(s)Available 14 Day(s) or more -2518B5412H (round hole)

MYR 281.52

1 Piece(s)Available 14 Day(s) or more -2518B5413H (round hole)

MYR 281.52

1 Piece(s)Available 14 Day(s) or more -2518B5414H (round hole)

MYR 281.52

1 Piece(s)Available 14 Day(s) or more -2518B5415H (round hole)

MYR 281.52

1 Piece(s)Available 14 Day(s) or more -2518B5416H (round hole)

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Basic Information

Type Timing pulley Tooth Type (Belt Type) S8M Material Steel
Surface Treatment No Pulley/Idler Pulley (No Bearing) Belt Shape Type Round tooth profile super torque
No Backlash Type Not Applicable

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12,106 Part Numbers

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Specification/Dimensions

  • Belt Width Used (mm)(mm)

    • 15
    • 25
    • 30
    • 40
    • 60

    Clear

  • No. of Teeth(T)

    • 18
    • 19
    • 20
    • 21
    • 22
    • 24
    • 25
    • 26
    • 28
    • 30
    • 32
    • 34
    • 36
    • 38
    • 40
    • 44
    • 48
    • 50
    • 60

    Clear

  • Pulley Shape

    • A
    • B

    Clear

  • Shaft Bore Dia. d(mm)

    • 12
    • 13
    • 14
    • 15
    • 16
    • 17
    • 18
    • 19
    • 20
    • 21
    • 22
    • 23
    • 24
    • 25
    • 26
    • 27
    • 28
    • 29
    • 30
    • 31
    • 32
    • 33
    • 34
    • 35
    • 36
    • 37
    • 38
    • 39
    • 40
    • 41
    • 42
    • 43
    • 44
    • 45
    • 46
    • 47
    • 48
    • 49
    • 50
    • 51
    • 52
    • 53
    • 54
    • 55
    • 56
    • 57
    • 58
    • 59
    • 60
    • 61
    • 62

    Clear

  • Shaft hole specifications

    • H (round hole)
    • N (New JIS keyway hole + tapping)
    • NA
    • P (round hole + tap)

    Clear

  • type

    • S8M

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • 4 Day(s) or Less
    • 6 Day(s) or Less
    • 7 Day(s) or Less
    • 9 Day(s) or Less
    • 12 Day(s) or Less
    • 14 Day(s) or Less
    • 18 Day(s) or Less
    • 39 Day(s) or Less
    • 54 Day(s) or Less
    • 64 Day(s) or Less

    Clear

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