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
3S

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	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)
	36.18 €	1		9 Days	10	5.01 to 10.00	53	52	4,001 to 10,000	6.9	9200	0.21 to 0.40	0.25	0.9×10^-4

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

This page is SURE-FLEX® couplings / NBK, part number 3S.
You can find the detail information about specifications and dimensions on part number 3S.

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Basic Attributes

Outer Diameter(mm)
53

63

83

102

117

138

161
Clear
Overall Length(mm)
52

61

71

90

102

113

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

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

14

28

52

84

130

210
Clear
Max. Rotational Speed(r/min)
3750

4500

5250

6000

7600

9200
Clear
Allowable Lateral Misalignment Range(mm)
0.21 to 0.40

0.41 to 1.0
Clear
Allowable Lateral Misalignment(mm)
0.25

0.38

0.51

0.64
Clear
Type
- S
Clear
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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Optional Attributes

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

Variation of this product

Part Number
4S
5S
6S
7S
8S
9S

Standard Unit Price	Minimum order quantity	Volume Discount	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)
41.18 €	1	Available	Same day Stock	10	10.01 to 20.00	63	61	4,001 to 10,000	14	7600	0.21 to 0.40	0.25	0.2×10^-3
82.57 €	1		9 Days	10	20.01 to 50.00	83	71	4,001 to 10,000	28	7600	0.21 to 0.40	0.38	0.8×10^-3
128.01 €	1		9 Days	10	50.01 to 100.00	102	90	4,001 to 10,000	52	6000	0.21 to 0.40	0.38	2.6×10^-3
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