Servo couplings / hub clamping / 2 discs: steel / body: aluminium / XBW / NBK (Part Numbers - CAD Download)

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High torque, high torsional rigidity, and high responsiveness. Backlash "0"

Part Number

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Part Number
XBW-44C2-18-20-KT
XBW-44C2-18-22
XBW-44C2-18-22-KT
XBW-44C2-18-KT-18
XBW-44C2-18-KT-18-KT
XBW-44C2-18-KT-19
XBW-44C2-18-KT-19-KT
XBW-44C2-18-KT-20
XBW-44C2-18-KT-20-KT
XBW-44C2-18-KT-22
XBW-44C2-18-KT-22-KT
XBW-44C2-19-19
XBW-44C2-19-20
XBW-44C2-19-20-KT
XBW-44C2-19-22
XBW-44C2-19-22-KT
XBW-44C2-19-KT-19
XBW-44C2-19-KT-19-KT
XBW-44C2-19-KT-20
XBW-44C2-19-KT-20-KT
XBW-44C2-19-KT-22
XBW-44C2-19-KT-22-KT
XBW-44C2-20-20
XBW-44C2-20-22
XBW-44C2-20-22-KT
XBW-44C2-20-KT-20
XBW-44C2-20-KT-20-KT
XBW-44C2-20-KT-22
XBW-44C2-20-KT-22-KT
XBW-44C2-22-22
XBW-44C2-22-KT-22
XBW-44C2-22-KT-22-KT
XBWS-39C2A-8-8
XBWS-39C2A-8-9-BT
XBWS-39C2A-8-9-BT-KT
XBWS-39C2A-8-10
XBWS-39C2A-8-10-KT
XBWS-39C2A-8-11
XBWS-39C2A-8-11-KT
XBWS-39C2A-8-12
XBWS-39C2A-8-12-KT
XBWS-39C2A-8-13-BT
XBWS-39C2A-8-13-BT-KT
XBWS-39C2A-8-14
XBWS-39C2A-8-14-KT
XBWS-39C2A-8-15
XBWS-39C2A-8-15-KT
XBWS-39C2A-8-16
XBWS-39C2A-8-16-KT
XBWS-39C2A-8-17-BT
XBWS-39C2A-8-17-BT-KT
XBWS-39C2A-8-18
XBWS-39C2A-8-18-KT
XBWS-39C2A-8-19
XBWS-39C2A-8-19-KT
XBWS-39C2A-8-20
XBWS-39C2A-8-20-KT
XBWS-39C2A-9-BT-9-BT
XBWS-39C2A-9-BT-10
XBWS-39C2A-9-BT-10-KT

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Allowable Torque Range (N•m)	Shaft Bore Dia. (machined) D1 (mm)	Shaft Bore Dia. (machined) D2 (mm)	Outer Diameter (mm)	Overall Length (mm)	Maximum Range of Rotation Number (r/min)	Body Material	Normal Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Allowable Angular Misalignment (deg)	Allowable Axial Misalignment (mm)	Moment of Inertia (kg･m²)	Additional Work	Keyway
134.78 €	1	9 Days	10	5.01 to 10.00	18	20	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D2 Hole
120.26 €	1	9 Days	10	5.01 to 10.00	18	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	NA
134.78 €	1	9 Days	10	5.01 to 10.00	18	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D2 Hole
134.78 €	1	9 Days	10	5.01 to 10.00	18	18	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D1 Hole
149.70 €	1	9 Days	10	5.01 to 10.00	18	18	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	Both Sides
134.78 €	1	9 Days	10	5.01 to 10.00	18	19	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D1 Hole
149.70 €	1	9 Days	10	5.01 to 10.00	18	19	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	Both Sides
134.78 €	1	9 Days	10	5.01 to 10.00	18	20	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D1 Hole
149.70 €	1	9 Days	10	5.01 to 10.00	18	20	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	Both Sides
134.78 €	1	9 Days	10	5.01 to 10.00	18	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D1 Hole
149.70 €	1	9 Days	10	5.01 to 10.00	18	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	Both Sides
120.26 €	1	9 Days	10	5.01 to 10.00	19	19	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	NA
120.26 €	1	9 Days	10	5.01 to 10.00	19	20	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	NA
134.78 €	1	9 Days	10	5.01 to 10.00	19	20	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D2 Hole
120.26 €	1	9 Days	10	5.01 to 10.00	19	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	NA
134.78 €	1	9 Days	10	5.01 to 10.00	19	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D2 Hole
134.78 €	1	9 Days	10	5.01 to 10.00	19	19	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D1 Hole
149.70 €	1	9 Days	10	5.01 to 10.00	19	19	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	Both Sides
134.78 €	1	9 Days	10	5.01 to 10.00	19	20	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D1 Hole
149.70 €	1	9 Days	10	5.01 to 10.00	19	20	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	Both Sides
134.78 €	1	9 Days	10	5.01 to 10.00	19	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D1 Hole
149.70 €	1	9 Days	10	5.01 to 10.00	19	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	Both Sides
120.26 €	1	9 Days	10	5.01 to 10.00	20	20	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	NA
120.26 €	1	9 Days	10	5.01 to 10.00	20	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	NA
134.78 €	1	9 Days	10	5.01 to 10.00	20	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D2 Hole
134.78 €	1	9 Days	10	5.01 to 10.00	20	20	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D1 Hole
149.70 €	1	9 Days	10	5.01 to 10.00	20	20	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	Both Sides
134.78 €	1	9 Days	10	5.01 to 10.00	20	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D1 Hole
149.70 €	1	9 Days	10	5.01 to 10.00	20	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	Both Sides
120.26 €	1	9 Days	10	5.01 to 10.00	22	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	NA
134.78 €	1	9 Days	10	5.01 to 10.00	22	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	D1 Hole
149.70 €	1	9 Days	10	5.01 to 10.00	22	22	44	46.6	10,001 to 78,000	[Aluminum] EN AW-7075 Equiv.	10	14000	0.21 to 0.40	0.3	2	±0.6	3.5×10^-5	Standard Shaft Bore	Both Sides
166.33 €	1	9 Days	10	5.01 to 10.00	8	8	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	NA
194.19 €	1	9 Days	10	5.01 to 10.00	8	9	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Additional Work Shaft Hole	NA
209.47 €	1	9 Days	10	5.01 to 10.00	8	9	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Additional Work Shaft Hole	D2 Hole
166.33 €	1	9 Days	10	5.01 to 10.00	8	10	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	NA
180.73 €	1	9 Days	10	5.01 to 10.00	8	10	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	D2 Hole
166.33 €	1	9 Days	10	5.01 to 10.00	8	11	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	NA
180.73 €	1	9 Days	10	5.01 to 10.00	8	11	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	D2 Hole
166.33 €	1	9 Days	10	5.01 to 10.00	8	12	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	NA
180.73 €	1	9 Days	10	5.01 to 10.00	8	12	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	D2 Hole
194.19 €	1	9 Days	10	5.01 to 10.00	8	13	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Additional Work Shaft Hole	NA
209.47 €	1	9 Days	10	5.01 to 10.00	8	13	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Additional Work Shaft Hole	D2 Hole
166.33 €	1	9 Days	10	5.01 to 10.00	8	14	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	NA
180.73 €	1	9 Days	10	5.01 to 10.00	8	14	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	D2 Hole
166.33 €	1	9 Days	10	5.01 to 10.00	8	15	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	NA
180.73 €	1	9 Days	10	5.01 to 10.00	8	15	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	D2 Hole
166.33 €	1	9 Days	10	5.01 to 10.00	8	16	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	NA
180.73 €	1	9 Days	10	5.01 to 10.00	8	16	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	D2 Hole
194.19 €	1	9 Days	10	5.01 to 10.00	8	17	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Additional Work Shaft Hole	NA
209.47 €	1	9 Days	10	5.01 to 10.00	8	17	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Additional Work Shaft Hole	D2 Hole
166.33 €	1	9 Days	10	5.01 to 10.00	8	18	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	NA
180.73 €	1	9 Days	10	5.01 to 10.00	8	18	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	D2 Hole
166.33 €	1	9 Days	10	5.01 to 10.00	8	19	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	NA
180.73 €	1	9 Days	10	5.01 to 10.00	8	19	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	D2 Hole
166.33 €	1	9 Days	10	5.01 to 10.00	8	20	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	NA
180.73 €	1	9 Days	10	5.01 to 10.00	8	20	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Standard Shaft Bore	D2 Hole
222.93 €	1	9 Days	10	5.01 to 10.00	9	9	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Additional Work Shaft Hole	NA
194.19 €	1	9 Days	10	5.01 to 10.00	9	10	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Additional Work Shaft Hole	NA
209.47 €	1	9 Days	10	5.01 to 10.00	9	10	39	46.6	10,001 to 78,000	[Stainless Steel] Stainless Steel (EN 1.4305 Equiv.)	4.8	16000	0.21 to 0.40	0.3	2	±0.6	5.1×10^-5	Additional Work Shaft Hole	D2 Hole

Basic information

Type	Disc Type	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Application	Standard / Servo Motor / Stepping Motor
Feature	High torsional rigidity / High Torque / Backlash 0	Category	Coupling body	Disc Part Material	Stainless Steel (EN 1.4301 Equiv.)
Structure	Clamping Type

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1,017Suggestion of an applicable part number.

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Basic Attributes

Shaft Bore Dia. (machined) D1(mm)
3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

22

24

25

28

30

32

34

35

38

40

42

45

50
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Shaft Bore Dia. (machined) D2(mm)
3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

22

24

25

28

30

32

34

35

38

40

42

45

50
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Outer Diameter(mm)
15

19

25

27

34

39

44

56

68

82

94

104
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Overall Length(mm)
22

25.5

32.2

37.4

46.6

60.4

75

98

99.6

104.4
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Maximum Range of Rotation Number(r/min)
4,001 to 10,000

10,001 to 78,000
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Body Material
- Stainless Steel
  - Stainless Steel (EN 1.4305 Equiv.)
- Aluminum
  - EN AW-7075 Equiv.
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Normal Torque(Nm)
0.42

0.6

1

1.1

1.3

2

2.2

2.5

4.2

4.8

5.6

8

10

14

25

60

80

150

200
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Max. Rotational Speed(r/min)
6000

7000

9000

11000

14000

16000

18000

23000

25000

33000

42000
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Allowable Lateral Misalignment Range(mm)
0.02 to 0.2

0.21 to 0.40

0.41 to 1.0
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Allowable Lateral Misalignment(mm)
0.05

0.15

0.2

0.25

0.3

0.5
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Allowable Angular Misalignment(deg)
1

2
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Additional Work
- Additional Work Shaft Hole
- Standard Shaft Bore
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Keyway
- D1 Hole
- D2 Hole
- Both Sides
- NA
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Type
- XBW
- XBWS
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Allowable Torque Range(N•m)
0.05 to 1.00

1.01 to 3.00

3.01 to 5.00

5.01 to 10.00

10.01 to 20.00

20.01 to 50.00

50.01 to 100.00

100～Less than 500
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