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High Torque Timing Pulleys P8M Type (Part Numbers)

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[Material]
· Pulley: Extra super duralumin aluminum alloy, S45C equivalent, SUS304
· Flange: Aluminum alloy, SPCC
[Surface treatment]
· Clear anodize, black anodize, hard clear anodize (firm hardness 300HV~), electroless nickel plating, black oxide

(i)Caution

Please note that the swaged flange options, NFC, RFC, and LFC, are not reflected in the CAD data.
Please check the content on our website as the PDF does not contain the most up-to-date information.

Part Number

Configured Part Number is shown.

Dimensional Drawing

[ ! ]

■P8M

● Pulley Shape

Shape A

Shape B

Standard Tooth Profile

Tooth groove dimensions slightly vary according to the number of teeth.

[ ! ] For aluminum flanges, the flange thickness is 1.5.

[ ! ] Shaft Bore Specs. H (Round Hole), V or F (Stepped Hole), Y (Both Sides Stepped Hole) and WB (Two-stepped Hole) do not have tapped holes and set screws.
It may have a relief in the tapped hole depending on its size.

[ ! ] The tolerance of the tap position dimension from the boss end face and pulley end face is ±0.3.
[ ! ] Unless otherwise specified except for teeth and F dimensions, the dimension tolerance conforms to JIS B 0405 Class m.

● Shaft Bore Specification Select shaft bore spec mark and each dim. from the table below.
[ ! ] Surface treatment may not be applied to the shaft bores.
[ ! ] For A-Shape pulley with shaft bore spec. P, N, or C, the screw holes are set at around 90° to keep away from peaks.

H　Round Hole

P　Round Hole + Tap

N　New JIS Keyway + Tap
C　Old JIS Keyway + Tap

[ ! ] Specify NK10 when selecting "New JIS Keywayed Bore" + "Shaft Bore Diameter 10" + "Keyway Width 4.0 mm".
[ ! ] The difference between part number N10 and NK10 is the machining dimensions. See the table below, "New JIS Keyway Dimension Tolerance," for details.
[ ! ] The position of the keyway and the phase of the teeth are not guaranteed.

V stepped hole

F Stepped Hole (Counterbored Hole on the Hub Side)

Y Both Ends Stepped Hole

WB Two-stepped hole

[ ! ] Z-V (d) ≥ 2
[ ! ] Shape A: 3 ≤ J ≤ W-3,
Shape B: 3 ≤ J ≤ L-3

[ ! ] Applicable to Shape B only
[ ! ] Z-F (d) ≥ 2
[ ! ] 3 ≤ J ≤ L-3

[ ! ] Applicable to Shape A only
[ ! ] Q-Y (d) ≥ 2
[ ! ] R-Y (d) ≥ 2
[ ! ] S+T ≤ W-3
[ ! ] S (T) ≥ 3

[ ! ] Applicable to Shape A only
[ ! ] Q-R ≥ 2
[ ! ] R-WB (d) ≥ 2
[ ! ] S+T ≤ W-3
[ ! ] S (T) ≥ 3

■Belt Nominal Width / Dimensions

mm	Nominal
mm	P8M150	P8M250	P8M400
A	16.8	27.8	42.8
W	22.0	33.0	48.0
L Number of Teeth 20 to 40	39.0	50.0	65.0
L Number of Teeth 44 to 60	44.0	55.0	70.0

■Tapped Hole Dimensions (Shaft Bore Specs.: P, N, C)

d_H7 Shaft Bore I.D.	M (Coarse)	Accessory Set Screws
12	M4	M4 × 3
13 to 17	M5	M5 × 4
18 to 30	M6	M6 × 5
31 to 45	M8	M8 × 6
46 to 67	M10	M10 × 8

Dimension Tolerance Without Command

Dimension Range		Tolerance (mm)
Over	or less	Tolerance (mm)
0.5	3	±0.1
3	6	±0.1
6	30	±0.2
30	120	±0.3

[ ! ] Compliant with JIS B 0405
Class m (Medium Class)

■Keyway Dimensions

d dim. Tolerance (H7)

Nominal(N,C)	d_H7
8 to 10(K)	＋0.015 　0
11 to 18	＋0.018 　0
19 to 30	＋0.021 　0
31 to 50	＋0.025 　0
51 to 70	＋0.030 　0

New JIS Keyway Dimension Tolerance

Nominal(N)	b_JS9		t
8 to 10	3	±0.0125	1.4	＋0.1 　0
10K to 12	4	±0.0150	1.8
13 to 17	5		2.3
18 to 22	6		2.8
23 to 30	8	±0.0180	3.3	＋0.2 　0
31 to 38	10	±0.0180
39 to 44	12	±0.0215
45 to 50	14		3.8
55	16		4.3

Old JIS Keyway Dimension Tolerance

Nominal(C)	b_JS9		t
10 to 12	4	＋0.022 ＋0.010	1.5	＋0.1 　0
15 to 20	5		2

Type	Belt Width			[ M ] Material		[ S ] Surface Treatment	[ A ] Accessory Set Screws
	15 mm	25 mm	40 mm	Pulley	Flange
	P8M150	P8M250	P8M400	Pulley	Flange
PTPA	●	●	●	Extra Super Duralumin Aluminum alloy	Aluminum alloy	Clear Anodize	SUS304
PTPB	●	●	●			Black Anodize
PTPK	●	●	●			Hard Clear Anodize
PTPN	●	●	●			Electroless nickel plating
PTPM	●	●	●	S45C Equivalent	SPCC	Black Oxide Coating	SCM435
PTPP	●	●	●	S45C Equivalent	SPCC	Electroless nickel plating	(Black Oxide)
PTPS	●	●	-	SUS304	SUS304	-	SUS304

[ ! ] Flange is already installed, and set screws are included for Shaft Bores P, N and C.
[ ! ] For orders with no flange crimping, please specify the alteration NFC.

Specification Table

Part number

Pulley Shape

Shaft Bore Specs.: I.D.

(Shaft Bore Specs.: H, P, N, C)

PTPA50P8M250

H50

Z43

J25

(Shaft Bore Specs.: V, F)

PTPA48P8M250

V25

(Shaft Bore Specs.: Y, WB)

PTPA36P8M150

Y20

Q32

R37

Part number			Pulley Shape	Pulley Shape						P.D.	O.D	D	F	E
Type	Number of Teeth	Type Nominal Width		A			B
				Shaft Bore Specs.: 1 mm Increments / Selectable
				H (d) Round Hole V (d), Y (d), WB (d) Z·Q·R Stepped Hole	P (d) Round Hole + Tapped	N (d), C (d) Keyway + Tapped	H (d) Round Hole V ( d ), F ( d ), Z Stepped Hole	P (d) Round Hole + Tapped	N (d), C (d) Keyway + Tapped
Aluminum PTPA PTPB PTPK PTPN Steel PTPM PTPP Stainless Steel PTPS	20	P8M150 P8M250 P8M400	A B	12 to 32	12 to 27	12 to 22	12 to 32	12 to 24	12 to 22	50.93	49.56	36	55	40
	21			12 to 37	12 to 30	12 to 25	12 to 37	12 to 29	12 to 25	53.48	52.10	41	61	45
	22			12 to 37	12 to 30	12 to 25	12 to 37	12 to 29	12 to 25	56.02	54.65	41	61	45
	23			12 to 42	12 to 33	12 to 28	12 to 42	12 to 30	12 to 28	58.57	57.20	46	67	50
	24				12 to 33					61.12	59.74	46	67	50
	25				12 to 34					63.66	62.29	49	70	56
	26			16 to 47	16 to 35	16 to 30	16 to 47	16 to 31	16 to 30	66.21	64.84	51	74	58
	27			16 to 49	16 to 35	16 to 30	16 to 49	16 to 33	16 to 30	68.75	67.38	53	74	58
	28			16 to 51	16 to 39	16 to 34	16 to 51	16 to 35	16 to 34	71.30	69.93	55	80	60
	29			16 to 54	16 to 40	16 to 35	16 to 54	16 to 38	16 to 34	73.85	72.48	58	83	63
	30			16 to 56	16 to 40	16 to 35	16 to 56	16 to 40	16 to 35	76.39	75.02	60	83	63
	31			16 to 59	16 to 43	16 to 38	16 to 59	16 to 40	16 to 35	78.94	77.57	63	87	67
	32			16 to 61	16 to 43	16 to 38	16 to 61	16 to 43	16 to 38	81.49	80.12	65	87	67
	33			16 to 63	16 to 47	16 to 42	16 to 63	16 to 43	16 to 38	84.03	82.66	67	95	75
	34			16 to 66			16 to 66	16 to 47	16 to 42	86.58	85.21	70
	35			16 to 69			16 to 69	16 to 47	16 to 42	89.13	87.75	73
	36			16 to 71	16 to 50	16 to 45	16 to 71	16 to 50	16 to 45	91.67	90.30	75	99	80
	37			20 to 73	20 to 54	20 to 50	20 to 73	20 to 50	20 to 48	94.22	92.85	77	104	84
	38			20 to 76	20 to 54		20 to 76	20 to 50		96.77	95.39	80	104	84
	39			20 to 78	20 to 55		20 to 78	20 to 53		99.31	97.94	83	111	90
	40			20 to 80			20 to 80	20 to 55	20 to 50	101.86	100.49	85
	41									104.41	103.03	86
	42									106.95	105.58	87
	43									109.50	108.13	88	119	100
	44				20 to 60			20 to 60		112.05	110.67	90	119	100
	45				20 to 62			20 to 62		114.59	113.22	92	123	102
	46				20 to 67			20 to 65		117.14	115.77	95	127	105
	47			20 to 83			20 to 83	20 to 67		119.68	118.31	98
	48			20 to 85			20 to 85			122.23	120.86	100
	49									124.78	123.41		135	115
	50									127.32	125.95
	51									129.87	128.50
	52									132.42	131.04		140	120
	53									134.96	133.59		140	120
	54									137.51	136.14		144	125
	55									140.06	138.68		144	125
	56									142.60	141.23		152	130
	57									145.15	143.78
	58									147.70	146.32
	59									150.24	148.87		160	140
	60									152.79	151.42		160	140
[ NG ] Shaft Bore Dia. 13, 14, 17, or 21 to 50 are not available for Shaft Bore Spec. C.

Alterations

Part number

Pulley Shape

Shaft Bore Specs.: I.D.

(KC90, etc.)

PTPA50P8M250

H60

QSC80 - M8

Alterations	Set Screw Angle Change	No Flange	Single Flange	Flange Cut
Code	KC120	NFC	RFC·LFC	FC
Spec.	Changes an angle of set screw to 120°. Application Notes [ ! ] For A-Shape pulley, the screw holes are set at around 120° to keep away from peaks.	(Flange 2 pcs. Included) Ordering Code NFC	(Flange 1 pc. Included) Ordering Code RFC	Cut the flange O.D. in 0.5 mm increments. Ordering Code FC17 Application Notes [ ! ] FC ≥ (O. D.) +1 [ ! ] FC ≤ F-2 [ ! ] No surface treatment is applied on flange circumference.

Alterations

Retaining Ring Groove

Taper for Bearing Holder

Hub Shortening

Tapped Hole Dimensions

Included Set Screw Length Change

Code

SRG

BTC

TPC

SLH

Spec.

Retaining Ring Groove applicable to the shaft dia. of stepped hole is machined.

Specify SRG 2.5 to 25.5 mm
　　　　　0.5 mm Increments
Application Notes
[ ! ] Applicable to Shaft Bore Specs. V and F only

[ ! ] Standards of retaining ring groove for Z dim. is applied 　

[ ! ] n ≤ J-SRG-m
Ordering Code SRG7

Taper for retaining bearing inner ring

Ordering Code BTC12-TL3
Application Notes
[ ! ] Applicable to Shape A only
[ ! ] Applicable to Shaft Bore Specs. H and P only
[ ! ] TL < L-W
[ ! ] When E-D ≤ 6, one side installed and 1 pc. of flange included
　　　

Cuts the hub length in 0.5 mm increments.

Ordering Code BC6.5
Application Notes
[ ! ] Shaft Bore Specs. H, V, F:
　　3 ≤ BC < L-W
[ ! ] Shaft Bore Specs. P, N, C:
　　M+3 ≤ BC < L-W
[NG] Not applicable to Shape A

Ordering Code TPC5
Application Notes

[ ! ] Applicable to Shaft Bore Specs. P, N, C only

M	TPC
M4	M5
M5	M4·M6
M6	M5·M8
M8	M6·M10
M10	M8

Ordering Code SLH10
Application Notes

[ ! ] Applicable to Shaft Bore Specs. P, N, C only

Set Screws	SLH
M4 × 3	5·8
M5 × 4	6·10
M6 × 5	10
M8 × 6	10·12
M10 × 8	12·15

Alterations	Add Side Holes
Alterations	Side Tapped Hole	Side Through Hole	Side Counterbored
Code	QTC·QFC·QSC	KTC·KFC·KSC	ZTC·ZFC·ZSC
Spec.	Machines tapped hole on the side surface of hub side. Ordering Code QTC28-M4 Q□C Selection Specify the side hole position (P,C, D dims) in 0.5 mm increments　 M Selection M3, M4, M5, M6, M8 Application Notes [ ! ] Thickness condition: minimum 2 mm. Shape A: d + M + 4 ≤ Q□C ≤ E- (M+4) For Shaft Bore Spec. V Z + M + 4 ≤ Q□C ≤ E- (M+4) Shape B: d + M + 4 ≤ Q□C ≤ D- (M+4) For Shaft Bore Spec. V Z + M + 4 ≤ Q□C ≤ D- (M+4) [ ! ] When selecting P, N, or C for the Shaft Bore Spec. QTC: Specify KC120 QFC: KC120 is not available QSC: Not available [NG] Not applicable to Shaft Bore Specs. F, Y, or WB.	Machines through hole on the side surface. Ordering Code KTC28-K4.5 K□C Selection Specify the side hole position (P,C, D dims) in 0.5 mm increments　 Specify K K4.0 to 13.0 (0.5 mm Increments) Application Notes [ ! ] Thickness condition: minimum 2 mm. Shape A: d + K + 4 ≤ K□C ≤ E- (K+4) For Shaft Bore Spec. V Z + K + 4 ≤ K□C ≤ E- (K+4) Shape B: d + K + 4 ≤ K□C ≤ D- (K+4) For Shaft Bore Spec. V Z + K + 4 ≤ K□C ≤ D- (K+4) [ ! ] When selecting P, N, or C for the Shaft Bore Spec. KTC: Specify KC120 KFC: KC120 is not available KSC: Not available [NG] Not applicable to Shaft Bore Specs. F, Y, or WB.	Machines counterbored hole on the side surface. Ordering Code ZTC28-ZM4 Z□C Selection Specify the side hole position (P,C, D dims) in 0.5 mm increments　 ZM Selection ZM3, ZM4, ZM5, ZM6, ZM8 Application Notes [ ! ] Thickness condition: minimum 2 mm. Shape A: d + d2 + 4 ≤ Z□C ≤ E- (d2 + 4) For Shaft Bore Spec. V Z + d2 + 4 ≤ Z□C ≤ E- (d2 + 4) Shape B: d + d2 + 4 ≤ Z□C ≤ D- (d2 + 4) For Shaft Bore Spec. V Z + d2 + 4 ≤ Z□C ≤ D- (d2 + 4) [ ! ] When selecting P, N, or C for the Shaft Bore Spec. ZTC: Specify KC120 ZFC: KC120 is not available ZSC: Not available [NG] Not applicable to Shaft Bore Specs. F, Y, or WB.
	(6 Locations) (4 Locations) (3 Locations)	(6 Locations) (4 Locations) (3 Locations)	(6 Locations) (4 Locations) (3 Locations)

[ ! ] Conditions for side hole alteration vary depending on the shaft bore specification.

Part Number

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CAD Download

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Part Number
PTPK40P8M150-A-V[20-30/1]
PTPK40P8M150-A-Y[20-42/0.1]
PTPK40P8M150-B-C20
PTPK40P8M150-B-F[20-30/1]
PTPK40P8M150-B-H12.7
PTPK40P8M150-B-H[20-50/1]
PTPK40P8M150-B-N[20-50/1]
PTPK40P8M150-B-P12.7
PTPK40P8M150-B-P[20-50/1]
PTPK40P8M150-B-V[20-30/1]
PTPK40P8M250-A-C20
PTPK40P8M250-A-H12.7
PTPK40P8M250-A-H[20-50/1]
PTPK40P8M250-A-N[20-50/1]
PTPK40P8M250-A-P12.7
PTPK40P8M250-A-P[20-50/1]
PTPK40P8M250-A-V[20-30/1]
PTPK40P8M250-A-Y[20-42/0.1]
PTPK40P8M250-B-C20
PTPK40P8M250-B-F[20-30/1]
PTPK40P8M250-B-H12.7
PTPK40P8M250-B-H[20-50/1]
PTPK40P8M250-B-N[20-50/1]
PTPK40P8M250-B-P12.7
PTPK40P8M250-B-P[20-50/1]
PTPK40P8M250-B-V[20-30/1]
PTPK44P8M150-A-C20
PTPK44P8M150-A-H12.7
PTPK44P8M150-A-H[20-55/1]
PTPK44P8M150-A-N[20-50/1]
PTPK44P8M150-A-P12.7
PTPK44P8M150-A-P[20-55/1]
PTPK44P8M150-A-V[20-30/1]
PTPK44P8M150-A-Y[20-50/0.1]
PTPK44P8M150-B-C20
PTPK44P8M150-B-F[20-30/1]
PTPK44P8M150-B-H12.7
PTPK44P8M150-B-H[20-55/1]
PTPK44P8M150-B-N[20-50/1]
PTPK44P8M150-B-P12.7
PTPK44P8M150-B-P[20-55/1]
PTPK44P8M150-B-V[20-30/1]
PTPK44P8M250-A-C20
PTPK44P8M250-A-H12.7
PTPK44P8M250-A-H[20-55/1]
PTPK44P8M250-A-N[20-50/1]
PTPK44P8M250-A-P12.7
PTPK44P8M250-A-P[20-55/1]
PTPK44P8M250-A-V[20-30/1]
PTPK44P8M250-A-Y[20-50/0.1]
PTPK44P8M250-B-C20
PTPK44P8M250-B-F[20-30/1]
PTPK44P8M250-B-H12.7
PTPK44P8M250-B-H[20-55/1]
PTPK44P8M250-B-N[20-50/1]
PTPK44P8M250-B-P12.7
PTPK44P8M250-B-P[20-55/1]
PTPK44P8M250-B-V[20-30/1]
PTPK48P8M150-A-C20
PTPK48P8M150-A-H12.7
PTPK48P8M150-A-H[20-62/1]
PTPK48P8M150-A-N[20-50/1]
PTPK48P8M150-A-P12.7
PTPK48P8M150-A-P[20-62/1]
PTPK48P8M150-A-V[20-35/1]
PTPK48P8M150-A-Y[20-50/0.1]
PTPK48P8M150-B-C20
PTPK48P8M150-B-F[20-35/1]
PTPK48P8M150-B-H12.7
PTPK48P8M150-B-H[20-62/1]
PTPK48P8M150-B-N[20-50/1]
PTPK48P8M150-B-P12.7
PTPK48P8M150-B-P[20-62/1]
PTPK48P8M150-B-V[20-35/1]
PTPK48P8M250-A-C20
PTPK48P8M250-A-H12.7
PTPK48P8M250-A-H[20-62/1]
PTPK48P8M250-A-N[20-50/1]
PTPK48P8M250-A-P12.7
PTPK48P8M250-A-P[20-62/1]
PTPK48P8M250-A-V[20-35/1]
PTPK48P8M250-A-Y[20-50/0.1]
PTPK48P8M250-B-C20
PTPK48P8M250-B-F[20-35/1]
PTPK48P8M250-B-H12.7
PTPK48P8M250-B-H[20-62/1]
PTPK48P8M250-B-N[20-50/1]
PTPK48P8M250-B-P12.7
PTPK48P8M250-B-P[20-62/1]
PTPK48P8M250-B-V[20-35/1]

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Belt Width Used (mm)	No. of Teeth (T)	Pulley Shape	Material	Surface Treatment	Shaft Bore Specifications (Both Ends Stepped Hole) [Y] (mm)	Shaft Bore Specifications (New JIS Keyway Hole + Tap) [N] (mm)	Shaft Bore Specifications (Old JIS Keyway Hole + Tap) [C] (mm)	Shaft Bore Specifications (Round Hole + Tap) [P] (mm)	Shaft Bore Specifications (Round Hole) [H] (mm)	Shaft Bore Specifications (Stepped Hole) [V] (mm)	Shaft Bore Specifications (Stepped Hole: Counterbored Holes on the Hub Side) [F] (mm)	Shaft Bore Specifications (Two-stepped Hole) [WB] (mm)
-	1 Piece(s)	7 Day(s)	10	15	40	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 30	-	-
-	1 Piece(s)	7 Day(s)	10	15	40	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 42	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 30	-
-	1 Piece(s)	7 Day(s)	10	15	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	12.7	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 50	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	12.7	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 50	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 30	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	12.7	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 50	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	12.7	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 50	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 30	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 42	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 30	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	12.7	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 50	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	12.7	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 50	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	40	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 30	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	12.7	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 55	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	12.7	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 55	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 30	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 50	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 30	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	12.7	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 55	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	12.7	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 55	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 30	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	12.7	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 55	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	12.7	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 55	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 30	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 50	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 30	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	12.7	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 55	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	12.7	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 55	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	44	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 30	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	12.7	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 62	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	12.7	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 62	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 35	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 50	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 35	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	12.7	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 62	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	12.7	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 62	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 35	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	12.7	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 62	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	12.7	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 62	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 35	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 50	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 35	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	12.7	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 62	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	12.7	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 62	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 35	-	-

Product TOP

Basic Information

Type	Timing Pulleys	Belt Type	P8M	Timing Pulley / Idler	Pulleys
Features, Areas of Application	Not Applicable	Environmental Compliance	RoHS compliant (10 substances)

Configure

1,848 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Belt Width Used(mm)
15

25
Clear
No. of Teeth(T)
20

22

24

26

28

30

32

34

36

40

44

48

50

60
Clear
Pulley Shape
- Shape A
- Shape B
Clear
Material
- Steel
  - S45C Equivalent
- Aluminum
  - Extra Super Duralumin Series Aluminum Alloy
Clear
Surface Treatment
- Black Oxide Coating
- Clear Anodize
- Hard Clear Anodize
- Electroless Nickel Plating
Clear
Shaft Bore Specifications (Both Ends Stepped Hole) [Y](mm)
[12-50/0.1mm Unit(s)][12-83/1mm Unit(s)]
Clear
Shaft Bore Specifications (New JIS Keyway Hole + Tap) [N](mm)
1

37

38

40

42

43

44

45

46

47

48

50
[12-50/1mm Unit(s)]
Clear
Shaft Bore Specifications (Old JIS Keyway Hole + Tap) [C](mm)
12

15

16

18

19

20
Clear
Shaft Bore Specifications (Round Hole + Tap) [P](mm)
12.7
[12-67/1mm Unit(s)]
Clear
Shaft Bore Specifications (Round Hole) [H](mm)
12.7
[12-85/1mm Unit(s)]
Clear
Shaft Bore Specifications (Stepped Hole) [V](mm)
[12-83/1mm Unit(s)]
Clear
Shaft Bore Specifications (Stepped Hole: Counterbored Holes on the Hub Side) [F](mm)
[12-83/1mm Unit(s)]
Clear
Shaft Bore Specifications (Two-stepped Hole) [WB](mm)
[12-83/1mm Unit(s)]
Clear
type
- PTPA□□P8M
- PTPK□□P8M
- PTPM□□P8M
- PTPN□□P8M
- PTPP□□P8M
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

7 Day(s) or Less

8 Day(s) or Less

10 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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High Torque Timing Pulleys P8M Type (Part Numbers)

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Dimensional Drawing

Specification Table

Alterations

Part Number

Basic Information

Configure

Specification/Dimensions

Belt Width Used(mm)

No. of Teeth(T)

Pulley Shape

Material

Surface Treatment

Shaft Bore Specifications (Both Ends Stepped Hole) [Y](mm)

Shaft Bore Specifications (New JIS Keyway Hole + Tap) [N](mm)

Shaft Bore Specifications (Old JIS Keyway Hole + Tap) [C](mm)

Shaft Bore Specifications (Round Hole + Tap) [P](mm)

Shaft Bore Specifications (Round Hole) [H](mm)

Shaft Bore Specifications (Stepped Hole) [V](mm)

Shaft Bore Specifications (Stepped Hole: Counterbored Holes on the Hub Side) [F](mm)

Shaft Bore Specifications (Two-stepped Hole) [WB](mm)

type

CAD

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