SURE-FLEX® couplings / NBK

Promotional pricing ends 30/11/2024
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Flexible shaft coupling that absorbs shock, vibration, and misalignment in four directions: circumferential direction, eccentricity, deflection angle, and end play. Can be used as is, instead of the conventional shaft fitting, without complete design change of equipment. No need for lubrication, sleeve has a long life. Maintenance-free.

Part Number

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Part Numbers

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Part Number
7S
8S
9S

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Allowable Torque Range (N•m)	Outer Diameter (mm)	Overall Length (mm)	Maximum Range of Rotation Number (r/min)	Normal Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Moment of Inertia (kg･m²)
162.18 €	1	9 Days	10	50.01 to 100.00	117	102	4,001 to 10,000	84	5250	0.41 to 1.0	0.51	4.3×10^-3
168.76 €	1	9 Days	10	-	138	113	4,001 to 10,000	130	4500	0.41 to 1.0	0.51	9.3×10^-3
240.14 €	1	9 Days	10	-	161	129	2001 to 4,000	210	3750	0.41 to 1.0	0.64	1.9×10^-2

Basic information

Type	Oldham Type	Allowable Misalignment	Angular Misalignment / Eccentricity	Application	Standard
Feature	Vibration Absorption	Category	Coupling body	Allowable Angular Misalignment(deg)	1
Operating Temperature Range(°C)	-34::135

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Basic Attributes

Allowable Torque Range(N•m)
5.01 to 10.00

10.01 to 20.00

20.01 to 50.00

50.01 to 100.00
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Outer Diameter(mm)
53

63

83

102

117

138

161
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Overall Length(mm)
52

61

71

90

102

113

129
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Maximum Range of Rotation Number(r/min)
2001 to 4,000

4,001 to 10,000
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Normal Torque(Nm)
6.9

14

28

52

84

130

210
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Max. Rotational Speed(r/min)
3750

4500

5250

6000

7600

9200
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Allowable Lateral Misalignment(mm)
0.25

0.38

0.51

0.64
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Type
- S
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Allowable Lateral Misalignment Range(mm)
0.21 to 0.40

0.41 to 1.0
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