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Synchronous Pulleys - Regular Torque, L Series. (ATPA20L075-B-N24)

Volume Discount
Lead Time Reduction

MISUMI

New: Available number of teeth increased on metric pulleys. [August 2023]
METRIC/ INCH Bores Available!

METRIC
INCH
inCAD Components

(i)Caution

Please note that the swaged flange options, NFC, RFC, and LFC, are not reflected in the CAD data.

Part Number

Configured Part Number is shown.

ATPA20L075-B-N24

Drawing/Specifications
3D Preview
Part Numbers
Catalog

[ ! ]For Keyway Dimension Details, see >> Click here

・Materials

Part Number				[ M ]Material		[ S ]Surface Treatment	[ A ]Accessories Set Screws
Belt Width 12.7mm (1/2 inch)	Belt Width 19.1mm (3/4 inch)	Belt Width 25.4mm (1 inch)	Belt Width 38.1mm (1.5 inch)	Pulley	Flange
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	Pulley	Flange
ATPA_ _L050	ATPA_ _L075	ATPA_ _L100	ATPA_ _L150	Aluminum Alloy 7000 series (Extra Super Duralumin)	Aluminum Alloy	Clear Anodize	304 Stainless Steel
ATPB_ _L050	ATPB_ _L075	ATPB_ _L100	ATPB_ _L150			Black Anodize
ATPK_ _L050	ATPK_ _L075	ATPK_ _L100	ATPK_ _L150			Hard Clear Anodize^*
ATPN_ _L050	ATPN_ _L075	ATPN_ _L100	ATPN_ _L150			Electroless Nickel Plating
ATPT_ _L050	ATPT_ _L075	ATPT_ _L100	ATPT_ _L150	1045 Carbon Steel or Equivalent	Low Carbon Steel	-	4137 Alloy Steel (Black Oxide)
ATP_ _L050	ATP_ _L075	ATP_ _L100	ATP_ _L150			Black Oxide
ATPP_ _L050	ATPP_ _L075	ATPP_ _L100	ATPP_ _L150			Electroless Nickel Plating

*Hard Anodize Treatment: Film Hardness 300HV~
[ ! ]Flange is installed, and set screws are included with shaft bore specifications P, N and C.
[ ! ] L dimensions in ( ) are for 60 and 72 toothed pulleys.

Specifications

Part Number

Pulley Shape

Shaft Bore Spec., I.D.

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

ATP14L075

N10

R47

(Shaft Bore Specs: V, F)

ATP36L100

V15

Z29

J18.0

(Shaft Bore Specs: Y)

ATP50L150

Y25

Q47

S12

T12

[ ! ]Specify NK10 when New JIS Keywayed Bore + Tap with shaft bore diameter of 10 and keyway width 4.0mm (height 1.8mm) is requested. >> Click here

Alterations

Part Number

CAD Data download and 3D preview are not available because the part number has not yet been determined.

*In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.

CAD Download

: 30; 45; 60

Part Number
ATPA20L075-B-N24

Part Number	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Belt Width Used(Inch) (Inch)	Belt Width Used(mm) (mm)	Number of Teeth (T)	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) (mm)	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) (mm)
	1 Piece(s)		8 Days or more	10	0.75 in (3/4")	19.1	20	Shape B	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	-	24	-	-	-	-	-

Product TOP

Basic Information

Type	Timing Pulleys	Belt Type	L	Timing Pulleys/Idlers	Pulleys

Configure

1 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Belt Width Used
Belt Width Used(Inch)(Inch)
0.5 in (1/2")

0.75 in (3/4")

1.00 in (1")

1.50 in (1-1/2'')
Clear
Belt Width Used
Belt Width Used(mm)(mm)
12.7

19.1

25.4

38.1
Clear
Number of Teeth(T)
10

12

14

15

16

17

18

19

20

21

22

24

25

26

28

30

32

34

36

38

40

42

44

46

48

50

60

72
Clear
Pulley Shape
- Shape A
- Shape B
- D Shape
Clear
Material
- Steel
- Aluminum
  - Aluminum Alloy 7000 series(Duralumin)
Clear
Surface Treatment
Not Provided

Black Oxide Coating

Clear Anodize

Black Anodize

Hard Clear Anodize

Electroless Nickel Plating
Clear
Shaft Bore Dia. d(inch)
1

1-7/8

1-5/8

1-3/4

1-3/8

1-1/2

1-1/4

1/2

1/4

2

3/4

3/8

5/8

5/16

7/8
Clear
Shaft Bore Spec.(inch)
- Inch Key Grove Hole+Tap
- Inch Round Hole
- Inch Round Hole+Tap
Clear
01.[H] Shaft Bore Spec. (Round Hole)(mm)
6.35
Clear
02.[P] Shaft Bore Spec. (Round Hole + Tap)(mm)
6.35
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)(mm)
10

12

15

16

18

19

20
Clear
06.[V] Shaft Bore Spec. (Stepped Hole)(mm)
6.35
Clear
07.[F] Shaft Bore Spec. (Stepped Hole: Counterbored Holes on the Hub Side)(mm)
6.35
Clear
08.[Y] Shaft Bore Spec. (Both Ends Stepped Hole)(mm)
Clear
type
- ATP##L
- ATP##L####INCHBORE
- ATPA##L
- ATPA##L####INCHBORE
- ATPB##L
- ATPB##L####INCHBORE
- ATPK##L
- ATPK##L####INCHBORE
- ATPN##L
- ATPN##L####INCHBORE
- ATPP##L
- ATPP##L####INCHBORE
- ATPT##L
- ATPT##L####INCHBORE
Clear
03.[N] Shaft Bore Spec. (New JIS Keyway Hole + Tap)(mm)
8

10

11

12

13

14
[12-26/1mm Unit(s)]
Clear
CAD
- 2D
- 3D
Clear