Standard Sprocket Model NK40-2B, Semi-F Series, Shaft Hole Machining Completed (New JIS Key) (NK40-2B21D30F)

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KATAYAMA CHAIN

Product Details:

Manufacturer part number: NK40-2B21D30F

Brand: KATAYAMA CHAIN

Price: 74.81 €

Delivery time: 11 Days

Technical Data:

Number of Teeth: 21 T

Shaft Hole Dia. d: 30 mm

Key Groove Width b: 8 mm

Key Groove Depth t2: 3.3 mm

Set Screw Size M: M8

Part Number

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NK40-2B21D30F

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Part Number
NK40-2B21D30F

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Number of Teeth (T)	Shaft Hole Dia. d (mm)	Key Groove Width b (mm)	Key Groove Depth t2 (mm)	Set Screw Size M	The Number of Set Screw	Angle (°)
	74.81 €	1		11 Days	21	30	8	3.3	M8	2	120

Basic information

Sprocket Shape	B Type	Chain No.	40	Number of Tracks	2
Type	Shaft hole machining type	Material	Steel	Chain Type	Standard
Shaft Type	Shaft hole machined

This page is Standard Sprocket Model NK40-2B, Semi-F Series, Shaft Hole Machining Completed (New JIS Key), part number NK40-2B21D30F.
You can find the detail information about specifications and dimensions on part number NK40-2B21D30F.

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Basic Attributes

Type
- 40-2B
Clear
Number of Teeth(T)
10

11

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54

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65

70
Clear
Shaft Hole Dia. d(mm)
11

12

13

14

15

16

17

18

19

20

21

22

23

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25

26

27

28

29

30

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65

66
Clear
Key Groove Width b(mm)
4

5

6

8

10

12

14

16

18

20
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Key Groove Depth t2(mm)
1.8

2.3

2.8

3.3

3.8

4.3

4.4

4.9
Clear
Set Screw Size M
- M5
- M6
- M8
- M10
- M12
- M16
Clear
The Number of Set Screw
- 2
Clear
Angle(°)
- 120
Clear
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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
NK40-2B10D14F
NK40-2B10D15F
NK40-2B10D16F
NK40-2B21D31F
NK40-2B21D32F
NK40-2B21D33F

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	Number of Teeth (T)	Shaft Hole Dia. d (mm)	Key Groove Width b (mm)	Key Groove Depth t2 (mm)	Set Screw Size M	The Number of Set Screw	Angle (°)
45.78 €	1	11 Days	10	14	5	2.3	M6	2	120
45.78 €	1	11 Days	10	15	5	2.3	M6	2	120
45.78 €	1	11 Days	10	16	5	2.3	M6	2	120
74.81 €	1	11 Days	21	31	10	3.3	M8	2	120
74.81 €	1	11 Days	21	32	10	3.3	M8	2	120
74.81 €	1	11 Days	21	33	10	3.3	M8	2	120