Timing belt pulleys / MR5 / flanged pulley selectable / configurable / aluminium, steel (Part Numbers - CAD Download)

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Drawing / Specifications
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Part Numbers
More Information

Back to the Category Toothed Pulleys/Timing Pulleys/Idler Pulleys

Technical Drawing - Toothed Pulleys/Timing Pulleys/Idler Pulleys

High Torque Timing Pulleys MR5 (GT) - 5mm PowerGrip® -:Related Image

Open the technical drawing in the new window

Available dimensions and tolerances can be found under the tab More Information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Toothed Pulleys/Timing Pulleys/Idler Pulleys

[ ! ]For Keyway Dimension Details, Click here

Type	Belt Width		Material*1		Surface Treatment	Attachment*1 Setscrews
	15mm	25mm	Pulley	Flange
	MR5150	MR5250
GPA	●	●	Aluminum Alloy	Aluminum Alloy	Clear Anodize	Stainless
GPB	●	●			Black Anodize
GPK	●	●			Hard Clear Anodize*2
GPT	●	●	1045 Carbon Steel	Low Carbon Steel	-	Steel (Black Oxide)
GPM	●	●			Black Oxide
GPP	●	●			Electroless Nickel Plating

*1 Flanges are installed. Set screws are included with PU, NU & C bore hole specification.
*2 Hard Anodize Treatment: Film Hardness 300HV~

Further specifications can be found under the tab More Information.

Composition of a Product Code - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Part Number

Pulley Shape

Shaft Bore Specs., I.D.

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

GPA20MR5150

(Shaft Bore Specs.: V, F)

GPT40MR5250

Z10

(Shaft Bore Specs: Y)

GPM60MR5250

Q12

R12

Alterations - Toothed Pulleys/Timing Pulleys/Idler Pulleys

BC,TPC and SLH alternations are not available for inch bores.

Here to the Overview of Options as PDF .

General Information - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Toothed pulley - synchronous pulley - belt pulley - product assortment

Selection details of toothed pulleys/timing pulleys/idler pulleys

- Material: aluminum, steel, stainless steel (stainless steel), plastic

- Coatings: uncoated, burnished, anodized, nickel-plated

- Profile form: 1.5GT, 2GT, 3GT, 5GT, P2M, P3M, P5M, P8M, S2M, S3M, S5M, S8M, S14M, T2.5, T5, T10, AT5, AT10, 5M, 8M, 14M, 8YU, H, L, MXL, XL, PowerGrip GT3: MR2, MR3, MR5

- ISO tolerances: H7

- Belt width (mm): 4, 4.8, 6, 6.4, 7, 7.9, 9, 9.5, 10, 12, 12.7, 15, 18, 19.1, 20, 25, 25.4, 26, 28, 30, 31, 38,1, 40, 50, 50.8, 53, 60, 74, 76.2, 100

- Belt width (inches): 0.19, 0.25, 0.31, 0.37, 0.5, 0.75, 1, 1.5, 2

- Number of teeth: 10 to 72

Description/Basics

The toothed pulley for mechanical engineering is intended for the transmission of force and torque. Timing pulleys enable a gear ratio of speeds through belt pulleys of different sizes. Timing pulleys are more efficient, durable and significantly more maintenance-friendly compared to chain transmissions.

How much torque and load a timing pulley can transmit depends on the width of the belt. The width of the belt must be calculated. It is recommended to ensure the belt is correctly tensioned. MISUMI already offers the suitable idler pulley and return rollers with integrated ball bearings. For design and design help follow this link.

Different profile shapes of the toothed belts and belt pulleys are responsible for the transmission of power. Depending on the positioning accuracy, the applied torque and the conveying weight, MISUMI offers the fitting pulley. Toothed belt drives are generally used in the industry in three areas:
Positioning: Timing pulleys is often used in 3D printers. A toothed pulley with a semi-circular profile (e.g., GT) is often used for the required position accuracy of a 3D printers. The round shape offers the benefit of little play when the direction changes.
Drive: toothed pulleys are also used for high torque. In most cases, a timing pulley with a rounded trapezoidal profile (e.g., S8M) is used. These are particularly well suited for the transmission of high forces, which occur in drives of various applications in order to drive mechanical components.
Conveying: toothed pulleys can also be used for transporting loads. A straight trapezoidal profile is often used for this purpose (e.g., AT). This toothed pulley shape offers a large surface for loading and transmitting of loads.

Which toothed pulley or timing pulley is the right one for your application depends on the respective task of the toothed belt drive. Different toothed disc profiles have proven themselves for each type of application.

Various bore hole shapes and fastening variants are available for shaft mounting. These allow fastening via set screws, keyways and by means of Mecha locks. Fastening via a clamping sleeve has the further advantage that it allows adjusting the alignment continuously. The MISUMI product assortment has these ready-to-install.

Application Examples - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Application example: idler pulley - idler pully toothed with chain tensioner - toothed pulley with chain tensioner

Application example: idler pulley
(1) Idler pulleys, (2) chain tensioner

Application example: return roller - return roller with cantilever pin - synchronous pulley with on-board disc - toothed pulley with on-board disc

Application example: deflection roller
S (1) Toothed pulleys with crimp disc, (2) nut, (3) washer, (4) cantilever shaft, (5) retaining ring

Application example: synchronous pulleys - toothed pulleys with toothed belts - toothed pulley with screw-on clamp

Application example: timing pulleys
(1) Flat head screw, (2) Timing pulley, (3) Timing belt, (4) Screw-on terminal

Application example: toothed belt drives - toothed pulleys with crimp disc - idler pulley with crimp disc - tensioning of the toothed belt

Application example: of toothed belt drives
(1) Toothed belt, (2) driven toothed pulley with crimp disc, (3) idler pulley with crimp disc, (4) driving toothed pulley with crimp disc

Industrial Applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

Part Number:

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Part Number
GPP20MR5250-B-NUE
GPP20MR5250-B-P6.35
GPP20MR5250-B-P[6-11/1]
GPP20MR5250-B-PUC
GPP20MR5250-B-PUD
GPP20MR5250-B-PUE
GPP20MR5250-B-V6.35
GPP20MR5250-B-V[6-13/1]
GPP21MR5150-A-C[10,12,15,16]
GPP21MR5150-A-H[7-23/1]
GPP21MR5150-A-HUC
GPP21MR5150-A-HUD
GPP21MR5150-A-HUE
GPP21MR5150-A-HUEF
GPP21MR5150-A-HUF
GPP21MR5150-A-HUFG
GPP21MR5150-A-HUG
GPP21MR5150-A-HUGH
GPP21MR5150-A-HUH
GPP21MR5150-A-N8
GPP21MR5150-A-N[10-16/1]
GPP21MR5150-A-NK10
GPP21MR5150-A-NUD
GPP21MR5150-A-NUE
GPP21MR5150-A-NUEF
GPP21MR5150-A-NUF
GPP21MR5150-A-NUFG
GPP21MR5150-A-NUG
GPP21MR5150-A-P[7-18/1]
GPP21MR5150-A-PUC
GPP21MR5150-A-PUD
GPP21MR5150-A-PUE
GPP21MR5150-A-PUEF
GPP21MR5150-A-PUF
GPP21MR5150-A-PUFG
GPP21MR5150-A-PUG
GPP21MR5150-A-V[7-21/1]
GPP21MR5150-A-Y[7-21/1]
GPP21MR5150-B-C[10,12]
GPP21MR5150-B-F[6-13/1]
GPP21MR5150-B-H[7-20/1]
GPP21MR5150-B-HUC
GPP21MR5150-B-HUD
GPP21MR5150-B-HUE
GPP21MR5150-B-HUEF
GPP21MR5150-B-HUF
GPP21MR5150-B-N[8,10,11,12]
GPP21MR5150-B-NK10
GPP21MR5150-B-NUD
GPP21MR5150-B-NUE
GPP21MR5150-B-P[7-16/1]
GPP21MR5150-B-PUC
GPP21MR5150-B-PUD
GPP21MR5150-B-PUE
GPP21MR5150-B-V[7-18/1]
GPP21MR5250-A-C[10,12,15,16]
GPP21MR5250-A-H[7-23/1]
GPP21MR5250-A-HUC
GPP21MR5250-A-HUD
GPP21MR5250-A-HUE

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Belt Width (mm)	[T] Number of Teeth	Pulley Shape	Material	Surface Treatment	Shaft Bore Dia. d (inch)	Shaft Bore Spec. (inch)	01.[H] Shaft Bore Spec. (Round Hole) (mm)	02.[P] Shaft Bore Spec. (Round Hole + Tap) (mm)	03.[N] Shaft Bore Spec. (New JIS Keyway Hole + Tap) (mm)	04.[NK] Shaft Bore Spec. (Shaft Bore Dia. 10 Keyway Width 4mm Height 1.8mm)	05.[C] Shaft Bore Spec. (Old JIS Keyway Hole + Tap)	06.[V] Shaft Bore Spec. (Stepped Hole) (mm)	07.[F] Shaft Bore Spec. (Stepped Hole: Counterbored Holes on the Hub Side) (mm)	08.[Y] Shaft Bore Spec. (Both Ends Stepped Hole)
26.30 €	1	Available	9 Days	25	20	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	3/8	[NU] Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
-	1		9 Days	25	20	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	6.35	-	-	-	-	-	-
-	1		9 Days	25	20	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	6 ～ 11	-	-	-	-	-	-
23.45 €	1	Available	9 Days	25	20	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	1/4	[PU] Inch Round Hole+Tap	-	-	-	-	-	-	-	-
23.45 €	1	Available	9 Days	25	20	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	5/16	[PU] Inch Round Hole+Tap	-	-	-	-	-	-	-	-
23.45 €	1	Available	9 Days	25	20	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	3/8	[PU] Inch Round Hole+Tap	-	-	-	-	-	-	-	-
-	1		9 Days	25	20	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	-	-	-	6.35	-	-
-	1		9 Days	25	20	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	-	-	-	6 ～ 13	-	-
-	1		9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	-	-	10 ～ 16	-	-	-
-	1		9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	7 ～ 23	-	-	-	-	-	-	-
17.95 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	1/4	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
17.95 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	5/16	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
17.95 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	3/8	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
17.95 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	7/16	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
17.95 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	1/2	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
17.95 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	9/16	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
17.95 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	5/8	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
17.95 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	11/16	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
17.95 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	3/4	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
-	1		9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	8	-	-	-	-	-
-	1		9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	10 ～ 16	-	-	-	-	-
-	1		9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	-	10	-	-	-	-
25.60 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	5/16	[NU] Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
25.60 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	3/8	[NU] Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
25.60 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	7/16	[NU] Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
25.60 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	1/2	[NU] Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
25.60 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	9/16	[NU] Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
25.60 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	5/8	[NU] Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
-	1		9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	7 ～ 18	-	-	-	-	-	-
22.77 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	1/4	[PU] Inch Round Hole+Tap	-	-	-	-	-	-	-	-
22.77 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	5/16	[PU] Inch Round Hole+Tap	-	-	-	-	-	-	-	-
22.77 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	3/8	[PU] Inch Round Hole+Tap	-	-	-	-	-	-	-	-
22.77 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	7/16	[PU] Inch Round Hole+Tap	-	-	-	-	-	-	-	-
22.77 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	1/2	[PU] Inch Round Hole+Tap	-	-	-	-	-	-	-	-
22.77 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	9/16	[PU] Inch Round Hole+Tap	-	-	-	-	-	-	-	-
22.77 €	1	Available	9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	5/8	[PU] Inch Round Hole+Tap	-	-	-	-	-	-	-	-
-	1		9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	-	-	-	7 ～ 21	-	-
-	1		9 Days	15	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	-	-	-	-	-	7 ～ 21
-	1		9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	-	-	10 ～ 12	-	-	-
-	1		9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	-	-	-	-	6 ～ 13	-
-	1		9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	7 ～ 20	-	-	-	-	-	-	-
18.48 €	1	Available	9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	1/4	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
18.48 €	1	Available	9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	5/16	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
18.48 €	1	Available	9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	3/8	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
18.48 €	1	Available	9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	7/16	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
18.48 €	1	Available	9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	1/2	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
-	1		9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	8 ～ 12	-	-	-	-	-
-	1		9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	-	10	-	-	-	-
26.13 €	1	Available	9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	5/16	[NU] Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
26.13 €	1	Available	9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	3/8	[NU] Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
-	1		9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	7 ～ 16	-	-	-	-	-	-
23.30 €	1	Available	9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	1/4	[PU] Inch Round Hole+Tap	-	-	-	-	-	-	-	-
23.30 €	1	Available	9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	5/16	[PU] Inch Round Hole+Tap	-	-	-	-	-	-	-	-
23.30 €	1	Available	9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	3/8	[PU] Inch Round Hole+Tap	-	-	-	-	-	-	-	-
-	1		9 Days	15	21	Shape B	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	-	-	-	7 ～ 18	-	-
-	1		9 Days	25	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	-	-	-	-	10 ～ 16	-	-	-
-	1		9 Days	25	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	-	-	7 ～ 23	-	-	-	-	-	-	-
18.44 €	1	Available	9 Days	25	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	1/4	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
18.44 €	1	Available	9 Days	25	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	5/16	[HU] Inch Round Hole	-	-	-	-	-	-	-	-
18.44 €	1	Available	9 Days	25	21	Shape A	EN 1.1191 Equiv.	Electroless Nickel Plating	3/8	[HU] Inch Round Hole	-	-	-	-	-	-	-	-

Back to the Category Toothed Pulleys/Timing Pulleys/Idler Pulleys

Technical Drawing - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Open the technical drawing in the new window

Specification Tables - Toothed Pulleys/Timing Pulleys/Idler Pulleys

■Teeth No. Size

mm	Teeth No.
mm	18	19	20	21	22	23	24	25	26	28	30	32	34	36	38	40	44	45	48	50	52	56	60	64	68	72
P.D.	28.65	30.24	31.83	33.42	35.01	36.61	38.2	39.79	41.38	44.56	47.75	50.93	54.11	57.3	60.48	63.66	70.03	71.62	76.39	79.58	82.76	89.13	95.49	101.86	108.23	114.59
O.D.	27.51	29.1	30.69	32.28	33.87	35.47	37.06	38.65	40.24	43.42	46.61	49.79	52.97	56.16	59.34	62.52	68.89	70.48	75.25	78.44	81.62	87.99	94.35	100.72	107.09	113.45
D	19	19	19	24	24	27	27	27	31	32	33	37	40	40	47	47	50	50	60	63	63	75	75	75	90	90
F	33	36	36	40	40	45	45	45	48	48	52	55	61	61	67	67	74	74	83	87	87	99	99	104	119	119
E	22	24	24	27	27	30	30	30	35	35	36	40	45	45	50	50	58	58	63	67	67	80	80	84	100	100

■Belt Width Size

mm	Belt Width
mm	MR5150	MR5250
A	18.0	28.0
W	23.0	33.0
L	35.0	45.0

◆mm

◆inch

Part Number

Pulley
Shape

Pulley Shape

Type

Teeth
No

Belt Width

B・K

Shaft Bore Spec. (1mm Increment)

H(d)

P(d)

N(d)・C(d)

H(d)

P(d)

N(d)・C(d)

V・F

HU(d)

PU(d)

NU(d)

HU(d)

PU(d)

NU(d)

Round Hole

Round Hole+Tap

Keywayed Bore + Tap

Stepped Hole

Both Ends Stepped Hole

Round Hole

Round Hole+Tap

Keywayed Bore + Tap

Stepped Hole

Inch Round Hole

Inch Round Hole+Tap

Inch New JIS Key Groove Hole + Tap

Inch Round Hole

Inch Round Hole+Tap

Inch New JIS Key Groove Hole + Tap

V(d)

Y(d)

Q・R

S・T

V(d)・
F(d)

Z-d≥2

(0.1mm increment)

Q(R)-d≥2

(0.1mm increment)

Z-d≥2

(0.1mm increment)

Al
GPA
GPB
GPK

Fe
GPT
GPM
GPP

MR5150
*A : 18.0
*W : 23.0
*L : 35.0

MR5250
*A : 28.0
*W : 33.0
*L : 45.0

A

B

6~18

6~12

8~12

6~16

8~18

2.0≤J≤W-2.0

6~16

8~18

3~14
S+T≤W-3

6~15

6~11

8・10・NK10

6~13

8~15

2.0≤J≤L-2.0

C-G

C-E

D・E

C-F

C-E

D・E

6~20

6~16

8~16

6~18

8~20

6~18

8~20

6~15

6~11

8・10・NK10

6~13

8~15

C-H

C-G

D-G

C-F

C-E

D・E

6~20

6~16

8~16

6~18

8~20

6~18

8~20

6~15

6~11

8・10・NK10

6~13

8~15

C-H

C-G

D-G

C-F

C-E

D・E

6~20

6~16

8~16

6~18

8~20

6~18

8~20

6~15

6~11

8・10・NK10

6~13

8~15

C-H

C-G

D-G

C-F

C-E

D・E

7~23

7~18

8~18

7~21

9~23

7~21

9~23

7~20

7~16

8~12

7~18

9~20

D-J

D-G

D-H

D-G

D・E

7~23

7~18

8~18

7~21

9~23

7~21

9~23

7~20

7~16

8~12

7~18

9~20

D-J

D-G

D-H

D-G

D・E

7~26

7~20

8~20

7~24

9~26

7~24

9~26

7~23

7~17

8~13

7~21

9~23

D-K

D-H

D-J

D-G

D-F

7~26

7~20

8~20

7~24

9~26

7~24

9~26

7~23

7~17

8~15

7~21

9~23

D-K

D-H

D-J

D-G

D-F

8~31

8~23

8~22

8~29

10~31

8~29

10~31

8~27

8~21

8~17

8~25

10~27

E-L

E-J

E-K

E-H

E-G

8~31

8~24

8~29

10~31

8~29

10~31

8~28

8~22

8~18

8~26

10~28

E-L

E-J

E-K

E-H

E-G

10~32

10~26

10~30

12~32

10~30

12~32

10~29

10~23

10~18

10~27

12~29

F-L

F-K

F-J

F-G

10~36

10~28

10~34

12~36

10~34

12~36

10~33

10~27

10~22

10~31

12~33

F-L

F-K

F-L

F-K

F-H

10~41

10~33

10~39

12~41

10~39

12~41

10~36

10~30

10~25

10~34

12~36

F-N

F-L

F-M

F-K

10~41

10~33

10~39

12~41

10~39

12~41

10~36

10~30

10~25

10~34

12~36

F-N

F-L

F-M

F-K

10~41

10~33

10~39

12~41

10~39

12~41

10~36

10~30

10~25

10~34

12~36

F-N

F-L

F-M

F-K

10~46

10~38

10~44

12~46

10~44

12~46

10~43

10~35

10~28

10~41

12~43

F-Q

F-M

F-P

F-M

F-K

12~54

12~42

12~40

12~52

14~54

12~52

14~54

12~46

12~38

12~32

12~44

14~46

F-N

F-P

F-N

F-Q

E-M

F-L

12~54

12~42

12~40

12~52

14~54

12~52

14~54

12~46

12~38

12~32

12~44

14~46

F-N

F-P

F-N

F-Q

E-M

F-L

12~59

12~45

12~40

12~57

14~59

12~57

14~59

12~56

12~45

12~40

12~54

14~56

F-S

F-Q

F-N

F-S

F-Q

F-N

12~63

12~50

12~43

12~61

14~63

12~61

14~63

12~59

12~47

12~43

12~57

14~59

F-S

F-R

F-P

F-S

F-Q

F-P

12~63

12~50

12~43

12~61

14~63

12~61

14~63

12~59

12~47

12~43

12~57

14~59

F-S

F-R

F-P

F-S

F-Q

F-P

12~63

12~50

12~43

12~61

14~63

12~61

14~63

12~59

12~47

12~43

12~57

14~59

F-S

F-R

F-P

F-S

F-Q

F-P

12~76

12~50

12~74

14~76

12~74

14~76

12~71

12~50

12~69

14~71

F-S

F-R

F-S

F-Q

F-R

12~76

12~50

12~74

14~76

12~74

14~76

12~71

12~50

12~69

14~71

F-S

F-R

F-S

F-Q

F-R

12~76

12~50

12~74

14~76

12~74

14~76

12~71

12~50

12~69

14~71

F-S

F-R

F-S

F-Q

F-R

12~85

12~70

12~55

12~83

14~92

12~83

14~92

12~80

12~70

12~55

12~84

14~86

F-S

Shaft Bore Dia. 9・51-54 are not available for Shaft Bore specification N.　　　　　　　　　　　　　

Shaft Bore Dia.6.35 are selectable for Shaft Bore specifications H, P, V.

Shaft Bore Dia. 8, 9, 11, 13, 14, 17, 21-55 are not available for Shaft Bore specification C.

Inch Bore Specifications							Inch Bore Specifications							Inch Bore Specifications
No.	Decimal (Inch)	Nominal (Inch)	Decimal (mm)	Set Screw size	b (W) (inch)	t1 (T) (inch)	No.	Decimal (Inch)	Nominal (Inch)	Decimal (mm)	Set Screw size	b (W) (inch)	t1 (T) (inch)	No.	Decimal (Inch)	Nominal (Inch)	Decimal (mm)	Set Screw size	b (W) (inch)	t1 (T) (inch)
A	0.125	1/8	3.175	#5-40	-	-	H	0.750	3/4	19.050	#10-32	3/16	0.837	M	1.375	1 3/8	34.925	5/16-18	5/16	1.518
B	0.188	3/16	4.763	#5-40	-	-	HJ	0.813	13/16	20.638	#10-32	3/16	0.900	MN	1.438	1 7/16	36.513	5/16-18	3/8	1.605
C	0.250	1/4	6.350	#8-32	-	-	J	0.875	7/8	22.225	1/4-20	3/16	0.964	N	1.500	1 1/2	38.100	5/16-18	3/8	1.669
D	0.313	5/16	7.938	#8-32	3/32	0.357	JK	0.938	15/16	23.813	1/4-20	1/4	1.051	P	1.625	1 5/8	41.275	5/16-18	3/8	1.796
E	0.375	3/8	9.525	#8-32	3/32	0.421	K	1.000	1	25.400	1/4-20	1/4	1.114	PQ	1.688	1 11/16	42.863	5/16-18	3/8	1.859
EF	0.438	7/16	11.113	#8-32	3/32	0.484	KLA	1.063	1 1/16	26.988	1/4-20	1/4	1.178	Q	1.750	1 3/4	44.450	5/16-18	3/8	1.922
F	0.500	1/2	12.700	#8-32	1/8	0.56	KLB	1.125	1 1/8	28.575	1/4-20	1/4	1.241	QR	1.813	1 13/16	46.038	5/16-18	1/2	2.032
FG	0.563	9/16	14.288	#8-32	1/8	0.623	KLC	1.188	1 3/16	30.163	1/4-20	1/4	1.304	R	1.875	1 7/8	47.625	5/16-18	1/2	2.096
G	0.625	5/8	15.875	#10-32	3/16	0.709	L	1.250	1 1/4	31.750	1/4-20	1/4	1.367	RS	1.938	1 15/16	49.213	3/8-16	1/2	2.160
GH	0.688	11/16	17.463	#10-32	3/16	0.773	LM	1.313	1 5/16	33.338	1/4-20	5/16	1.455	S	2.000	2	50.800	3/8-16	1/2	2.223

Alterations - Toothed Pulleys/Timing Pulleys/Idler Pulleys

BC,TPC and SLH alternations are not available for inch bores.

Here to the Option Overview PDF

Basic information

Type	Timing Pulleys	Belt Type	MR5(for PowerGrip® GT®3)	Timing Pulleys/Idlers	Pulleys

Configure

4,842Suggestion of an applicable part number.

View Part Numbers

Some specification is not specified yet.

The part number is completed.

Basic Attributes

Belt Width(mm)
15

25
Clear
[T] Number of Teeth
18

19

20

21

22

23

24

25

26

28

30

32

34

36

38

40

44

45

48

50

52

56

60

64

68

72
Clear
Pulley Shape
- Shape A
- Shape B
Clear
Material
- EN 1.1191 Equiv.
- Aluminum
  - Aluminum Alloy
Clear
Shaft Bore Dia. d(inch)
1

1-15/16

1-13/16

1-11/16

1-7/8

1-7/16

1-5/8

1-5/16

1-3/4

1-3/8

1-3/16

1-1/2

1-1/4

1-1/8

1-1/16

1/2

1/4

2

3/4

3/8

5/8

5/16

7/8

7/16

9/16

11/16

13/16

15/16
Clear
Shaft Bore Spec.(inch)
- [HU] Inch Round Hole
- [NU] Inch Key Grove Hole+Tap
- [PU] Inch Round Hole+Tap
Clear
01.[H] Shaft Bore Spec. (Round Hole)(mm)
6.35
[6-85/1mm Unit(s)]
Clear
02.[P] Shaft Bore Spec. (Round Hole + Tap)(mm)
6.35
[6-70/1mm Unit(s)]
Clear
03.[N] Shaft Bore Spec. (New JIS Keyway Hole + Tap)(mm)
8

10

11

12

13

50

55
[10-50/1mm Unit(s)]
Clear
04.[NK] Shaft Bore Spec. (Shaft Bore Dia. 10 Keyway Width 4mm Height 1.8mm)
10
Clear
05.[C] Shaft Bore Spec. (Old JIS Keyway Hole + Tap)
10

12

15

16

18

19

20
Clear
06.[V] Shaft Bore Spec. (Stepped Hole)(mm)
6.35
[6-84/1mm Unit(s)]
Clear
07.[F] Shaft Bore Spec. (Stepped Hole: Counterbored Holes on the Hub Side)(mm)
6.35
[6-84/1mm Unit(s)]
Clear
08.[Y] Shaft Bore Spec. (Both Ends Stepped Hole)
[6-83/1]
Clear
Type
- GPA##MR5150
- GPA##MR5250
- GPB##MR5150
- GPB##MR5250
- GPK##MR5150
- GPK##MR5250
- GPM##MR5150
- GPM##MR5250
- GPP##MR5150
- GPP##MR5250
- GPT##MR5150
- GPT##MR5250
Clear
Surface Treatment
- Not Provided
- Black Oxide
- Clear Anodize
- Black Anodized Aluminum
- Hard Clear Anodize
- Electroless Nickel Plating
Clear
Filter by CAD data type
- 2D
- 3D
Clear

Filter by standard shipping days

All

9 Days or Less

11 Days or Less
Reset

Optional Attributes

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

Frequently Asked Questions (FAQ)

Question:
Do you have any belt pulleys without a hole?: Answer:
The MISUMI toothed pulleys always have a pilot bore. It is expanded depending on your configuration. It provides the advantage that the belt pulleys are already provided with a suitable shaft bore ready for installation. Therefore, it does not require time-consuming post-processing.
Question:
Do you have timing pulleys made of aluminum?: Answer:
The MISUMI online shop also offers timing pulleys or toothed pulleys in aluminum. Furthermore, we are also offering belt pulleys in steel and stainless steel. The return rollers and idler pulleys for the timing belts are also available in plastic.
Question:
Is a transmission with toothed belt pulleys possible?: Answer:
With toothed pulleys, a gear ratio is possible in a drive. The gear ratio is established based on the number of teeth on the belt pulleys. It should be ensured that the minimum number of teeth of the timing pulley disc is not undercut.
Question:
Which type of the toothed belt pulley can be clamped during assembly?: Answer:
There are a number of ways to install timing pulleys on a shaft. For applications that are not exposed to high torque, such as conveyors, it can be sufficient to fasten a timing pulley using clamping threaded pins. For this purpose, the shaft should have a flat surface.
For higher loads, a toothed pulley with a keyway can also be used.
A further variant is the fastening of a timing pulley via a conical chip sleeve. Depending on the type of Mecha lock, the timing pulley requires lateral internal threads, which can be added through additional options in the MISUMI online shop.
A timing pulley with a bore hole can also be combined with a Mech lock. MISUMI is offering this combination as a set.
Question:
Where do you position the tension roller?: Answer:
If an idler pulley should be utilised, it should be positioned on the sag side. This means that the idler pulley is attached to the side not subjected to pull.
Ideally, a toothed idler pulley is mounted on the inside of the toothed belt. The tensioning roller should always be larger than the smallest toothed idler pulley of the belt drive system.
If an idler pulley must tension the toothed belt from the outside, then a non-toothed (flat) idler pulley should be used. Cantilever pins, which MISUMI offers in various geometric versions, are suitable for fastening.
Question:
Which parallel key can be used for the toothed pulleys?: Answer:
The parallel key size is based on the shaft diameter. In this case, it is recommended using the MISUMI parallel keys, as they fit better when MISUMI toothed pulleys are used. See Overview available as PDF for keyway tolerances.
Question:
Is a timing pulley with a round profile better?: Answer:
Timing pulleys and round-profile timing belts are not recommended for every application. For example, the round profile shape is well suited for applications that require high positioning accuracy. Therefore, they are often used in 3D printers and scanners. Compared to other profile shapes, the round profile shape has a higher wear resistance. Another advantage of the round profile shape is the minimized play in the return (reverse play).
Question:
Which belt pulley is suitable for Gates toothed belts?: Answer:
The GT and EV timing pulleys are suitable for Gates’ toothed belts. However, these require you put attention to the slope (distance of the teeth) of the toothed belt. It must be checked whether these correspond to the selected toothed pulley.
Question:
Are the curtain discs necessary for the toothed pulleys?: Answer:
It is recommended using the smaller belt pulleys particularly with curb disc. The curb disk ensures that the toothed belt does not migrate down from the toothed belt pulley. Even with the smallest misalignment of a pulley, there may be a risk that the toothed belt will move and jump during operation.
Question:
How is the gearing of the toothed pulleys manufactured?: Answer:
The gear teeth of the MISUMI toothed belt pulley are mainly pushed. This ensures high manufacturing accuracy. As a result, the teeth fit precisely into the toothed belt profile of the timing belts and ensure optimal power and torque transmission.