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Idlers（Sprocket Shape：Shape A）

An idler is a gear-shaped part that rotates as a chain moves. It is used in various machines, such as automobile engines, compressors, and power generators that transmit power using belts and chains. However, idlers themselves are idle gears that do not transmit power to gears or shafts. By using an idler, it is possible to maintain suitable transmission tension and stable movement. In addition, there are gear-shaped sprockets that transmit rotation, idler pins for fixing the idler with nuts and screws, tensioners for adjusting the slackness and friction of the chain, etc., and guide rollers for sliding doors. In particular, there are three types of sprockets: A type on a flat plate without a boss, B type with a boss on one side, and C type with a boss on both sides.

Configure

Specification/Dimensions

Nominal Number
25

35

40

50

60

80

2040

2050

2060
Clear

Number of Teeth(T)
9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

28

30

32
Clear

Shaft Bore Dia. d(mm)
6

8

10

12

15

17

20

25

30

35
Clear

Material
- Steel
- Stainless Steel
- Engineering Plastic
Clear

Type
- Idlers
- Idler Pins
Clear

Number of Strands
- 1
- 2
Clear

Chain Type
- RS
- Double Pitch
- Others
Clear

Shaft Type
- Bearing Built-in, Single
- Bearing Built-in, Double
- DBX Bearing
Clear

Surface Treatment
- Not Provided
- Black Oxide
- Tooth Surface Hardening
- Trivalent Chromate
Clear

Sprocket Shape	Shape A Shape B Shape C
Brand	(0) (0) IMAO CORPORATION (3) KATAYAMA CHAIN (0) KONISHI (1) NBK (1)
Filter By	All Sale Items
CAD	2D 3D
Days to Ship	All Same day 1 Day(s) or Less 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less Others

5 items

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: 30; 60; 90

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Until 31/03/2025

Idler (SIS), Steel Sprocket

IMAO CORPORATION

[Features]·Press-fit ball bearing. [Materials]·Steel (Surface treatment: black oxide coating).

From: ฿ 599.86
Special Price
Days to Ship: Same day

Same day

Compare

Idler (SIS-UU), Steel Sprocket (Both Seal)

Until 31/03/2025

Idler (SIS-UU), Steel Sprocket (Both Seal)

IMAO CORPORATION

Contact seal type using bearings, and so can be used in dusty environments, such as with a woodworking machine.

From: ฿ 740.19
Special Price
Days to Ship: Same day

Same day

Compare

Until 31/03/2025

Sprocket Idler SPB, Model A Type

KONISHI

This is a type A chain sprocket idler. Use this product as a chain tensioner.

From: ฿ 792.58
Special Price
Days to Ship: Same day

Same day

Compare

VSAG Sprocket Idler, A-Type

NBK

● Material/Finish
· Body: S35C-equivalent, hardened teeth, black oxide coating (black)
· Bearings: Steel, rubber seal

From: ฿ 567.79
Days to Ship: 8 Day(s)

8 Day(s)

Compare

Idler (SIS-SUS), Steel Sprocket (Made of SUS)

IMAO CORPORATION

Excellent corrosion resistance SUS304 made sprocket idler.

[Features]
· Excellent corrosion resistance SUS304 used.
· Press fit ball bearing.

From: ฿ 1,548.45
Days to Ship: 5 Day(s)

5 Day(s)


Brand
Product Series
CAD
From
Days to Ship
Sprocket Shape
Nominal Number
Number of Teeth(T)
Shaft Bore Dia. d(mm)
Material
Type
Number of Strands
Chain Type
Shaft Type
Surface Treatment

	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	IMAO CORPORATION	IMAO CORPORATION	KONISHI	NBK	IMAO CORPORATION
Product Series	Idler (SIS), Steel Sprocket	Idler (SIS-UU), Steel Sprocket (Both Seal)	Sprocket Idler SPB, Model A Type	VSAG Sprocket Idler, A-Type	Idler (SIS-SUS), Steel Sprocket (Made of SUS)
CAD	2D / 3D	2D / 3D	2D		2D / 3D
From	฿ 599.86 Special Price On Sale Until 31/03/2025	฿ 740.19 Special Price On Sale Until 31/03/2025	฿ 792.58 Special Price On Sale Until 31/03/2025	฿ 567.79	฿ 1,548.45
Days to Ship	Same day	Same day	Same day	8 Day(s)	5 Day(s)
Sprocket Shape	Shape A	Shape A	Shape A	Shape A	Shape A
Nominal Number	35 ～ 80	35 ～ 60	35 ～ 80	40	35 ～ 60
Number of Teeth(T)	9 ～ 20	14 ～ 20	12 ～ 21	12 ～ 15	14 ～ 20
Shaft Bore Dia. d(mm)	10 ～ 20	15	20	10 ～ 15	15
Material	Steel	Steel	-	Steel	Stainless Steel
Type	Idlers	Idlers	Idlers	Idlers	Idlers
Number of Strands	1	1	1	1	1
Chain Type	RS	RS	RS	RS	RS
Shaft Type	Bearing Built-in, Single	Bearing Built-in, Single	Bearing Built-in, Single	-	Bearing Built-in, Single
Surface Treatment	Black Oxide	Black Oxide	Trivalent Chromate	-	Not Provided