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Timing Pulleys L

Product Overview
Usually, timing pulleys and timing belts are widely used to design mechanisms for transmitting rotational power generated by motors.
Driving and transmission are realized through the engagement between the teeth of timing pulleys and timing belts.
Dimensional Drawing
Dimensional Drawing
Specifications Overview
Part Number Material Surface Treatment
Belt Width 12.7mm
(1/2inch)
Belt Width 19.1mm
(3/4inch)
Belt Width 25.4mm
(1inch)
Belt Width 38.1mm
(1.5inch)
PulleyFlange
A: 14 W: 19 L:31 (39)A: 21 W: 26 L:38 (46)A: 27 W: 32 L:44 (53)A: 40 W: 45 L: 57
E-ATPA□□L050E-ATPA□□L075E-ATPA□□L100E-ATPA□□L150Aluminum AlloyAluminum AlloyClear Anodized
E-ATPB□□L050E-ATPB□□L075E-ATPB□□L100E-ATPB□□L150Black Anodized
E-ATPK□□L050E-ATPK□□L075E-ATPK□□L100E-ATPK□□L150Hard Clear Anodize
E-ATP□□L050E-ATP□□L075E-ATP□□L100E-ATP□□L150Equivalent to S45CSPCCBlack Oxide Coating
E-ATPP□□L050E-ATPP□□L075E-ATPP□□L100E-ATPP□□L150Electroless Nickel Plating
*Film hardness of hard clear anodize is 300HV~.
Values in () for dimension L apply to the number of teeth 60 or 72.
The flange is riveted, and set screws are included for shaft bore specs. P, N or C.
If there are requirements for rust prevention, give priority to products made of aluminum alloy, stainless steel SUS304 and with surface treatment of electroless nickel plating.
     For anti-rust performance and maintenance of metal materials and surface treatment, clickhere.
Specification Table
Part NumberPulley
Shape
Shaft Bore Specs.Shaft Bore Specs. (1mm increments)P.D.O.D.DFE
TypeNumber of TeethType & Nominal WidthH
Round Hole
P
Round Hole + Threaded Hole
N
Keyway Hole + Tap
dH7
Shape AShape BDShape AShape BDShape AShape BD
(Aluminum Alloy)
E-ATPA
E-ATPB
E-ATPK


(S45C equivalent)
E-ATP
E-ATPP
10L050A


B
H

P

N
6~206~186~146~148~148~1430.3229.56223624
12L050・L0758~268~238~188~188~188~1836.3835.62274530
14L050
*A :14
*W :19
*L :31
(60・72=L:39)

L075
*A :21
*W :26
*L :38
(60・72=L:46)

L100
*A :27
*W :32
*L :44
(60・72=L:53)

L150
*A :40
*W :45
*L :57
8~318~268~238~208~218~2042.4541.68304835
158~318~268~238~208~238~2045.4844.72
1610~3610~2810~2810~2210~2310~2248.5147.75325540
1710~3610~3010~2810~2410~2610~2351.5450.7834
1810~4110~3210~3310~2610~3410~2354.5753.81366145
1912~4612~3412~3412~2812~3512~2557.6156.84386750
2012~4612~3612~3412~3012~3512~2660.6459.88406750
2112~5212~3812~4012~3012~3712~2663.6762.91427056
2212~5312~4112~4412~3312~3812~3066.7065.94458060
2412~6312~4612~4912~3812~4412~3072.7772.00508767
2512~6312~4612~4912~3812~4512~3075.8075.04
2612~6312~4612~4912~3812~4512~3078.8378.07
2812~7112~4612~5712~3812~5012~3084.8984.139575
3012~7212~5212~6212~4212~5512~3490.9690.20569980
3214~7614~5214~6514~4214~5514~3497.0296.2610484
3414~8314~5914~7014~4914~5514~41103.08102.326311190
3614~8514~5914~7014~4914~5514~41109.15108.39123102
3815~8515~5915~7015~4915~5515~41115.21114.45127105
4015~8515~5915~7015~4915~5515~41121.28120.5163131110
4216~8516~6716~7016~5716~5516~49127.34126.5871135115
4416~8516~6716~7016~5716~5516~49133.40132.64140120
4616~8516~6716~7016~5716~5516~49139.47138.71144125
4816~8516~6716~7016~5716~5516~49145.53144.77152130
5016~8516~6716~7016~5716~5516~49151.60150.83160140
 Z-d≥2 for Shaft Bore Specs. V.
Q(R)-d≥2 for Shaft Bore Specs. Y.
For shape D, dimension E is the value in ( ).
Shaft Bore Dia. 4.5 and 6.35, if falling within the selection range, can be selected for Shaft Bore Specs. H, P, V and F.
Specify NK10 when New JIS Keyway Hole + Threaded Hole with shaft bore diameter of 10 and keyway width 4.0mm (height 1.8mm) is requested. For detailed dimensions of keyway, please click here.
NK10, if falling within the selection range, can also be selected for Shaft Bore Specs. N.
Shaft Bore Dia. 8, 9, 11, 13, 14, 17 and 21~50 are not available for Shaft Bore Specs. C.
Shaft Bore Dia. 9 and 51~54 are not available for Shaft Bore Specs. N.
Product Features
Feature 1: L specification timing pulleys, suitable for general torque transmission design and high speed conveyance design.
Feature 2: L specification timing pulleys provide great transmission accuracy and efficiency, making them suitable for high-precision transmission and conveyance designs.
Feature 3: L specification timing pulleys have a wide range of load and speed ratios, applicable to most mechanisms and equipment.
Feature 4: MISUMI timing pulleys satisfy industrial standards, enabling for a reliable purchase and simple equipment maintenance.
Feature 5: MISUMI timing pulleys are available in various materials and suitable for a wide range of design environments.
Feature 6: MISUMI timing pulleys are made with meticulous attention to detail, allowing customers to make purchases with more confidence.
 
Features of MISUMI Timing Pulleys L timing pulley①Well processed teeth→High processing accuracy

②Threaded hole deburred→Longer service life of timing belt

③Evenly press-fitted retainer→Firm retainer, not easy to fall off

④Beautiful tooth shape→Precisely engaged belt, with high concentricity
Usage Method
Usage Method Example DrawingUsage Method of Timing Wheel and Timing Belt
MISUMI Timing Pulley Driving Example①Driving (The driven wheel is driven by the driving wheel for transmission)
MISUMI Timing Pulley Linear Driving Example②Linear driving (Reciprocating motion is carried out through the free-end toothed timing belt.)
Usage Method Example DrawingUsage Method of Timing Wheel and Timing Belt
MISUMI Timing Pulley Conveyance Example③Conveyance (Plates are conveyed by two toothed timing belts)
MISUMI Timing Pulley Traction Transmission Example④Traction transmission (Workpieces are clamped and transmitted by the belt)
 
Shape S timing pulleys, suitable for MISUMI standard and economy series S specification belts.
Precautions
①For Shaft Bore Specs. P (round hole+threaded hole) or N, the attached set screws are shipped in the same package (may drop in the packaging bag).
②There is no threaded hole for Shaft Bore Specs. H (round hole).
③There may be no surface treatment in the shaft bore.
④t=2.0 for 60 and 72 toothed pulleys (Cut Flange).
For the N keyway hole, the position relation between keyway and tooth is not fixed.
Example of Use
Example drawing of a ball spline lifting & rotating mechanism designed using MISUMI timing pulley
Equipment Name: Ball Spline Lifting & Rotating Mechanism
Purpose:
        Rotates the workpiece received from the previous process 90 degrees to lower it and transfers the workpiece to the next process.
Purpose of Timing Pulley:
        The transmission of the timing pulley changes the direction of the collet. (Applicable to timing pulleys with specifications MXL, XL, L and H)

For details, please clickhere.
Application Industries
Semiconductor Automotive Smart Phones
MISUMI Timing Pulleys L are applicable to the semiconductor industry MISUMI Timing Pulleys L are applicable to the automotive industry MISUMI Timing Pulleys L are applicable to the smart phone industry
Medical Electronic & Electrical Robotics
MISUMI Timing Pulleys L are applicable to the medical industry MISUMI Timing Pulleys L are applicable to the electronics and electrical appliances industry MISUMI Timing Pulleys L are applicable to the robotics industry
Related Products
Idler Toothed Timing Belts L Toothed Timing Belts
MISUMI High Torque Timing Belt Idlers MXL and XL idler MISUMI High Torque Timing Belts MXL, XL, L and H timing belt MISUMI Economy series Toothed Timing Belts
Representative model: AATFW30-L100-20 Representative model: TBN225L100 Representative model: C-TBN322L100
Related Documents
Technical Data of Toothed Timing Belts and Timing Pulleys
①For the data on the selection of timing pulleys and toothed timing belts, tensioning force, etc. (drive), please click here and check.
②For the data on the selection of timing pulleys and toothed timing belts, tensioning force, etc. (transmission & conveyance), please click here and check.
③For the main causes and countermeasures for the damage, breakage, abnormal noise of timing toothed belts, please click here and check.
④For the reference data on the replacement time of toothed timing belts, please click here and check.
⑤For the data on dimensional tolerance of timing pulleys, please click here and check.

Part Number 

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Part Number
E-ATP10L050-A-H[6-20/1]
E-ATP10L050-A-H[6.35,​12.7]
E-ATP10L050-A-N[8,​10,​11,​12,​13,​14]
E-ATP10L050-A-NK10
E-ATP10L050-A-P[6-14/1]
E-ATP10L050-A-P[6.35,​12.7]
E-ATP10L050-B-H[6-18/1]
E-ATP10L050-B-H[6.35,​12.7]
E-ATP10L050-B-N[8,​10,​11,​12,​13,​14]
E-ATP10L050-B-NK10
E-ATP10L050-B-P[6-14/1]
E-ATP10L050-B-P[6.35,​12.7]
E-ATP12L050-A-H12.7
E-ATP12L050-A-H[8-26/1]
E-ATP12L050-A-N8
E-ATP12L050-A-N[10-18/1]
E-ATP12L050-A-NK10
E-ATP12L050-A-P12.7
E-ATP12L050-A-P[8-18/1]
E-ATP12L050-B-H12.7
E-ATP12L050-B-H[8-23/1]
E-ATP12L050-B-N8
E-ATP12L050-B-N[10-18/1]
E-ATP12L050-B-NK10
E-ATP12L050-B-P12.7
E-ATP12L050-B-P[8-18/1]
E-ATP12L075-A-H12.7
E-ATP12L075-A-H[8-26/1]
E-ATP12L075-A-N8
E-ATP12L075-A-N[10-18/1]
E-ATP12L075-A-NK10
E-ATP12L075-A-P12.7
E-ATP12L075-A-P[8-18/1]
E-ATP12L075-B-H12.7
E-ATP12L075-B-H[8-23/1]
E-ATP12L075-B-N8
E-ATP12L075-B-N[10-18/1]
E-ATP12L075-B-NK10
E-ATP12L075-B-P12.7
E-ATP12L075-B-P[8-18/1]
E-ATP14L050-B-H12.7
E-ATP14L050-B-H[8-26/1]
E-ATP14L050-B-N8
E-ATP14L050-B-N[10-20/1]
E-ATP14L050-B-NK10
E-ATP14L050-B-P12.7
E-ATP14L050-B-P[8-20/1]
E-ATP14L075-B-H12.7
E-ATP14L075-B-H[8-26/1]
E-ATP14L075-B-N8
E-ATP14L075-B-N[10-20/1]
E-ATP14L075-B-NK10
E-ATP14L075-B-P12.7
E-ATP14L075-B-P[8-20/1]
E-ATP14L100-A-H12.7
E-ATP14L100-A-H[8-31/1]
E-ATP14L100-A-N8
E-ATP14L100-A-N[10-21/1]
E-ATP14L100-A-NK10
E-ATP14L100-A-P12.7
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSBelt Width Used
(mm)
Pulley Shape Material Surface Treatment Number of Teeth Operating Belt Width
(inch)
Shaft Bore Specs. (Round Hole+Threaded Hole) [P]
(mm)
Shaft Bore Specs. (Round Hole) [H]
(mm)
Shaft Bore Specs. (Shaft Bore Dia. 10 Keyway Width 4mm Height 1.8mm) [NK] Shaft Bore Specs. (New JIS Keyway Hole+Threaded Hole) [N]
(mm)

-

1 Piece(s) 7 Day(s) 1012.7Shape A[Steel] S45C EquivalentBlack Oxide Coating100.5-6 ~ 20--

-

1 Piece(s) 7 Day(s) 1012.7Shape A[Steel] S45C EquivalentBlack Oxide Coating100.5-6.35 ~ 12.7--

-

1 Piece(s) 7 Day(s) 1012.7Shape A[Steel] S45C EquivalentBlack Oxide Coating100.5---8 ~ 14

-

1 Piece(s) 7 Day(s) 1012.7Shape A[Steel] S45C EquivalentBlack Oxide Coating100.5--10-

-

1 Piece(s) 7 Day(s) 1012.7Shape A[Steel] S45C EquivalentBlack Oxide Coating100.56 ~ 14---

-

1 Piece(s) 7 Day(s) 1012.7Shape A[Steel] S45C EquivalentBlack Oxide Coating100.56.35 ~ 12.7---

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating100.5-6 ~ 18--

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating100.5-6.35 ~ 12.7--

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating100.5---8 ~ 14

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating100.5--10-

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating100.56 ~ 14---

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating100.56.35 ~ 12.7---

-

1 Piece(s) 7 Day(s) 1012.7Shape A[Steel] S45C EquivalentBlack Oxide Coating120.5-12.7--

-

1 Piece(s) 7 Day(s) 1012.7Shape A[Steel] S45C EquivalentBlack Oxide Coating120.5-8 ~ 26--

-

1 Piece(s) 7 Day(s) 1012.7Shape A[Steel] S45C EquivalentBlack Oxide Coating120.5---8

-

1 Piece(s) 7 Day(s) 1012.7Shape A[Steel] S45C EquivalentBlack Oxide Coating120.5---10 ~ 18

-

1 Piece(s) 7 Day(s) 1012.7Shape A[Steel] S45C EquivalentBlack Oxide Coating120.5--10-

-

1 Piece(s) 7 Day(s) 1012.7Shape A[Steel] S45C EquivalentBlack Oxide Coating120.512.7---

-

1 Piece(s) 7 Day(s) 1012.7Shape A[Steel] S45C EquivalentBlack Oxide Coating120.58 ~ 18---

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating120.5-12.7--

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating120.5-8 ~ 23--

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating120.5---8

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating120.5---10 ~ 18

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating120.5--10-

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating120.512.7---

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating120.58 ~ 18---

-

1 Piece(s) 7 Day(s) 1019.1Shape A[Steel] S45C EquivalentBlack Oxide Coating120.75-12.7--

-

1 Piece(s) 7 Day(s) 1019.1Shape A[Steel] S45C EquivalentBlack Oxide Coating120.75-8 ~ 26--

-

1 Piece(s) 7 Day(s) 1019.1Shape A[Steel] S45C EquivalentBlack Oxide Coating120.75---8

-

1 Piece(s) 7 Day(s) 1019.1Shape A[Steel] S45C EquivalentBlack Oxide Coating120.75---10 ~ 18

-

1 Piece(s) 7 Day(s) 1019.1Shape A[Steel] S45C EquivalentBlack Oxide Coating120.75--10-

-

1 Piece(s) 7 Day(s) 1019.1Shape A[Steel] S45C EquivalentBlack Oxide Coating120.7512.7---

-

1 Piece(s) 7 Day(s) 1019.1Shape A[Steel] S45C EquivalentBlack Oxide Coating120.758 ~ 18---

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating120.75-12.7--

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating120.75-8 ~ 23--

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating120.75---8

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating120.75---10 ~ 18

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating120.75--10-

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating120.7512.7---

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating120.758 ~ 18---

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating140.5-12.7--

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating140.5-8 ~ 26--

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating140.5---8

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating140.5---10 ~ 20

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating140.5--10-

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating140.512.7---

-

1 Piece(s) 7 Day(s) 1012.7Shape B[Steel] S45C EquivalentBlack Oxide Coating140.58 ~ 20---

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating140.75-12.7--

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating140.75-8 ~ 26--

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating140.75---8

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating140.75---10 ~ 20

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating140.75--10-

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating140.7512.7---

-

1 Piece(s) 7 Day(s) 1019.1Shape B[Steel] S45C EquivalentBlack Oxide Coating140.758 ~ 20---

-

1 Piece(s) 7 Day(s) 1025.4Shape A[Steel] S45C EquivalentBlack Oxide Coating141-12.7--

-

1 Piece(s) 7 Day(s) 1025.4Shape A[Steel] S45C EquivalentBlack Oxide Coating141-8 ~ 31--

-

1 Piece(s) 7 Day(s) 1025.4Shape A[Steel] S45C EquivalentBlack Oxide Coating141---8

-

1 Piece(s) 7 Day(s) 1025.4Shape A[Steel] S45C EquivalentBlack Oxide Coating141---10 ~ 21

-

1 Piece(s) 7 Day(s) 1025.4Shape A[Steel] S45C EquivalentBlack Oxide Coating141--10-

-

1 Piece(s) 7 Day(s) 1025.4Shape A[Steel] S45C EquivalentBlack Oxide Coating14112.7---

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Basic Information

Type Timing Pulleys Belt Type L

Tech Support