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Part Number Complete

ALS-020-R-6B-7B

Specification/Dimensions

Features
High torsional rigidity

High Torque

High accuracy

High durability

Backlash 0

Low Inertia Moment

Vibration Absorption

Shaft hole Unfinished
Clear
Allowable Misalignment
- No
- Angular Misalignment
- Eccentricity
- Axial Misalignment
Clear
Shaft Hole Specifications
- Shaft hole processed products
Clear
Shaft hole finished
- Keyway + tap hole (d1 keyway not included)
- Keyway + Tap hole
- Round hole + tap hole included
Clear
Keyway Standard
d1, d2: new JIS

d1, d2: new standard motor compatible

d1: new JIS / d2: new standard motor compatible

d1: new standard motor compatible / d2: new JIS

d1, d2: old JIS (2-type)

d1: new JIS / d2: old JIS (2-type)

d1: new standard motor compatible / d2: old JIS (2-type)

d1: old JIS (2-type) / d2: new JIS

d1: old JIS (2-type) / d2: new standard motor compatible
Clear
type
- ALS
Clear
Hole diameter d1(Ø)
3

4

5

6

6.35

7

8

9

9.525

10

11

12

14

15

16

18

19

20

22

24

25

28

30

32

35

38

40

42

45

50

55

60
Clear
Hole diameter d2(Ø)
3

4

5

6

6.35

7

8

9

9.525

10

11

12

14

15

16

18

19

20

22

24

25

28

30

32

35

38

40

42

45

50

55

60
Clear
O.D.(Ø)
14

20

30

40

55

65

80

95

105
Clear
Full Length(mm)
22

30

35

66

78

90

114

126

140
Clear
Allowable Torque Range(N•m)
0.05~1.00

1.01~3.00

3.01~5.00

5.01~10.00

10.01~20.00

20.01~50.00

50.01~100.00

100～Less than 500

500～Less than 1000
Clear
Max. Rotational Speed Range(r/min)
4001~10000

10001~78000
Clear
Body Material
- Aluminum
Clear
Allowable Torque(N•m)
0.31

0.42

0.54

0.65

1.2

1.5

1.6

2

2.1

2.2

2.6

3

3.4

4.7

5

5.4

6

7.4

8

12.5

16

17

23

31

34

38

41

48

51

54

60

61

67

68

71

75

79

80

89

96

108

114

121

151

160

194

325

450

525
Clear
Allowable Angular Misalignment(deg)
1
Clear
Allowable Lateral Misalignment(mm)
0.1

0.15
Clear
Allowable Lateral Misalignment Range(mm)
0.02~0.2
Clear
Maximum Rotation Speed(r/min)
4500

4800

5000

5900

6000

7000

7400

8700

10000

11900

15900

23800

34100
Clear
CAD
- 2D
Clear

Days to Ship

All

5 Day(s) or Less

13 Day(s) or Less

20 Day(s) or Less

23 Day(s) or Less

27 Day(s) or Less
Clear

Specify Alterations

Star Flex ALS-R (ALS-020-R-6B-7B)

Brand :

Order Qty :
Total Price :

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Days to ship :

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(i)
Caution

Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.

Product Description

Element hardness 97JIS A used, designed to use preliminary compression with no backlash. Supports a wide range of applications, from simple servo to general purpose motor with high torque.

[Features]
· Polyurethane elastomer used for element. So, the transmission torque is more than twice that of conventional jaw coupling.
· Design to distribute pre-compression, and so can be used with no backlash. (ALS-Y/R type)
· Power transmission through polyurethane elastomer with rubber elastic force. It has excellent vibration and impact absorption.

: 30; 45; 60

Part Number
ALS-020-R-6B-7B

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Hole diameter d1 (Ø)	Hole diameter d2 (Ø)	O.D. (Ø)	Full Length (mm)	Allowable Torque Range (N•m)	Features	Allowable Misalignment	Max. Rotational Speed Range (r/min)	Body Material	Allowable Torque (N•m)	Allowable Angular Misalignment (deg)	Allowable Lateral Misalignment (mm)	Allowable Lateral Misalignment Range (mm)	Maximum Rotation Speed (r/min)	Allowable Axial Clearance (±) (mm)	Moment of Inertia (kg･m²)	Shaft Hole Specifications	Shaft hole finished	Keyway Standard
	₹ 2,691.35	1 Piece(s)		23 Day(s) or more	10	6	7	20	30	1.01~3.00	High torsional rigidity / High Torque / High accuracy / High durability / Backlash 0 / Low Inertia Moment / Vibration Absorption	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	Aluminum	2.1	1	0.1	0.02~0.2	10000	0~+0.8	1.09×10^-6	-	-	-

Basic Information

Type	Jaw Type	Application	Standard / Servo Motor / Stepping Motor / Encoder	Product Category	Coupling body
Buffer Material	Polyurethane Resin	Operating Temperature Range(°C)	-30::80

Please check the type/dimensions/specifications of the part ALS-020-R-6B-7B in the Star Flex ALS-R series.

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

Product variants

Part Number
ALS-014-R-3-5
ALS-014-R-3-6
ALS-014-R-3-6.35
ALS-020-R-6B-8B
ALS-020-R-7B-7B
ALS-020-R-7B-8B

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Hole diameter d1 (Ø)	Hole diameter d2 (Ø)	O.D. (Ø)	Full Length (mm)	Allowable Torque Range (N•m)	Features	Allowable Misalignment	Max. Rotational Speed Range (r/min)	Body Material	Allowable Torque (N•m)	Allowable Angular Misalignment (deg)	Allowable Lateral Misalignment (mm)	Allowable Lateral Misalignment Range (mm)	Maximum Rotation Speed (r/min)	Allowable Axial Clearance (±) (mm)	Moment of Inertia (kg･m²)	Shaft Hole Specifications	Shaft hole finished	Keyway Standard
₹ 1,706.36	1 Piece(s)	23 Day(s) or more	10	3	5	14	22	1.01~3.00	High Torque / High torsional rigidity / High durability / High accuracy / Low Inertia Moment / Backlash 0 / Vibration Absorption	Angular Misalignment / Eccentricity / Axial Misalignment	10001~78000	Aluminum	2	1	0.1	0.02~0.2	34100	0~+0.6	1.91×10^-7	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
₹ 1,706.36	1 Piece(s)	23 Day(s) or more	10	3	6	14	22	1.01~3.00	High Torque / High torsional rigidity / High durability / High accuracy / Low Inertia Moment / Backlash 0 / Vibration Absorption	Angular Misalignment / Eccentricity / Axial Misalignment	10001~78000	Aluminum	2	1	0.1	0.02~0.2	34100	0~+0.6	1.91×10^-7	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
₹ 1,706.36	1 Piece(s)	23 Day(s) or more	10	3	6.35	14	22	1.01~3.00	High Torque / High torsional rigidity / High durability / High accuracy / Low Inertia Moment / Backlash 0 / Vibration Absorption	Angular Misalignment / Eccentricity / Axial Misalignment	10001~78000	Aluminum	2	1	0.1	0.02~0.2	34100	0~+0.6	1.91×10^-7	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
₹ 2,691.35	1 Piece(s)	23 Day(s) or more	10	6	8	20	30	1.01~3.00	High Torque / High torsional rigidity / High durability / High accuracy / Low Inertia Moment / Backlash 0 / Vibration Absorption	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	Aluminum	2.1	1	0.1	0.02~0.2	10000	0~+0.8	1.09×10^-6	-	-	-
₹ 2,691.35	1 Piece(s)	23 Day(s) or more	10	7	7	20	30	1.01~3.00	High Torque / High torsional rigidity / High durability / High accuracy / Low Inertia Moment / Backlash 0 / Vibration Absorption	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	Aluminum	2.6	1	0.1	0.02~0.2	10000	0~+0.8	1.09×10^-6	-	-	-
₹ 2,691.35	1 Piece(s)	23 Day(s) or more	10	7	8	20	30	1.01~3.00	High Torque / High torsional rigidity / High durability / High accuracy / Low Inertia Moment / Backlash 0 / Vibration Absorption	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	Aluminum	2.6	1	0.1	0.02~0.2	10000	0~+0.8	1.09×10^-6	-	-	-

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