Sprockets - Idler
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Related Information:
Tensioners
Roller Chain (See types under R)
Idler Shafts

Combined Categories:
Click to see all Sprockets for Roller Chain

Product features, properties and information

Complete with Needle Roller or Ball Bearings. 3.75mm to 25.4mm pitch.
Can be used directly on shafts with a surface hardnes of RC 58 or higher.
Can be run on hardened Inner Rings.
See also Drive Tighteners. 12.7mm Bore models can be run directly on the drive tighteners.

All dimensions on this website are shown in mm unless otherwise indicated.
Click on the linked part numbers in the table below for more details.

Diagram - Sprockets - Idler

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Suits Chain Type PCD
mm
Bore (B)
mm
Overall Width (E)
mm
Number of Teeth Hub Size (C / D)
mm
Material Style Part Number
(Click for prices)
Stock
6.35mm (0635) 25-1 ASA 41.91
(1.650 in.)
12.70
(0.500 in.)
12.70
(0.500 in.)
19.00 Harden Steel 1 (Bronze Bush) IDC18RS0
6.35mm (0635) 25-1 ASA 41.91
(1.650 in.)
25.40
(1.000 in.)
12.70
(0.500 in.)
19.00 Harden Steel 1 (Needle Roller) IDC32RS0
9.53mm (0953) 35-1 ASA 44.45
(1.750 in.)
12.70
(0.500 in.)
19.05
(0.750 in.)
13.00 Harden Steel 1 (Bronze Bush) IDC19RS0
9.53mm (0953) 35-1 ASA 44.45
(1.750 in.)
12.70
(0.500 in.)
19.05
(0.750 in.)
13.00 Harden Steel 1 (Needle Roller) IDC33RS0
9.53mm (0953) 35-1 ASA 60.6
(2.386 in.)
12.70
(0.500 in.)
20 Steel 2 IDC-1RS1
9.53mm (0953) 35-1 ASA 60.6
(2.386 in.)
15.88
(0.625 in.)
20 Steel 2 IDC-2RS1
9.53mm (0953) 35-1 ASA 62.74
(2.470 in.)
12.70
(0.500 in.)
19.05
(0.750 in.)
19.00 Harden Steel 1 (Needle Roller) IDC34RS0
9.53mm (0953) 35-1 ASA 62.74
(2.470 in.)
25.40
(1.000 in.)
19.05
(0.750 in.)
19.00 Harden Steel 1 (Bronze Bush) IDC20RS0
9.53mm (0953) 35-2 ASA 62.74
(2.470 in.)
25.40
(1.000 in.)
31.75
(1.250 in.)
19.00 Harden Steel 1 (Bronze Bush) IDC27RS0
9.53mm (0953) 35-2 ASA 62.74
(2.470 in.)
25.40
(1.000 in.)
31.75
(1.250 in.)
19.00 Harden Steel 1 (Needle Roller) IDC45RS0
12.70mm (12700785) 40-1 ASA 68.7
(2.705 in.)
12.70
(0.500 in.)
17 Steel 2 IDC-5RS1
12.70mm (12700638) 4...68.7
(2.705 in.)
15.88
(0.625 in.)
17 Steel 2 IDC-4RS1
12.70mm (12700638) 4...83.82
(3.300 in.)
25.40
(1.000 in.)
25.40
(1.000 in.)
19.00 Harden Steel 1 (Bronze Bush) IDC21RS0
12.70mm (12700638) 4...83.82
(3.300 in.)
25.40
(1.000 in.)
25.40
(1.000 in.)
19.00 Harden Steel 1 (Needle Roller) IDC35RS0
12.70mm (12700785) 40-1 ASA 83.82
(3.300 in.)
25.40
(1.000 in.)
25.40
(1.000 in.)
19.00 Harden Steel 1 (Bronze Bush) IDC22RS0
12.70mm (12700785) 40-1 ASA 83.82
(3.300 in.)
25.40
(1.000 in.)
25.40
(1.000 in.)
19.00 Harden Steel 1 (Needle Roller) IDC36RS0
12.70mm (12700785) 40-2 ASA 83.82
(3.300 in.)
25.40
(1.000 in.)
38.10
(1.500 in.)
19.00 Harden Steel 1 (Bronze Bush) IDC28RS0
12.70mm (12700785) 40-2 ASA 83.82
(3.300 in.)
25.40
(1.000 in.)
38.10
(1.500 in.)
19.00 Harden Steel 1 (Needle Roller) IDC46RS0
15.88mm (1588) 50-1 ASA 94.49
(3.720 in.)
25.40
(1.000 in.)
25.40
(1.000 in.)
17.00 Harden Steel 1 (Bronze Bush) IDC23RS0
15.88mm (1588) 50-1 ASA 94.49
(3.720 in.)
25.40
(1.000 in.)
25.40
(1.000 in.)
17.00 Harden Steel 1 (Needle Roller) IDC37RS0
15.88mm (1588) 50-2 ASA 94.49
(3.720 in.)
25.40
(1.000 in.)
44.45
(1.750 in.)
17.00 Harden Steel 1 (Bronze Bush) IDC29RS0
15.88mm (1588) 50-2 ASA 94.49
(3.720 in.)
25.40
(1.000 in.)
44.45
(1.750 in.)
17.00 Harden Steel 1 (Needle Roller) IDC47RS0
19.05mm (1905) 60-1 ASA 75.18
(2.960 in.)
25.40
(1.000 in.)
31.75
(1.250 in.)
11.00 Harden Steel 1 (Bronze Bush) IDC24RS0
19.05mm (1905) 60-1 ASA 75.18
(2.960 in.)
25.40
(1.000 in.)
31.75
(1.250 in.)
11.00 Harden Steel 1 (Needle Roller) IDC38RS0
19.05mm (1905) 60-1 ASA 113.28
(4.460 in.)
25.40
(1.000 in.)
31.75
(1.250 in.)
17.00 Harden Steel 1 (Bronze Bush) IDC25RS0
19.05mm (1905) 60-1 ASA 113.28
(4.460 in.)
25.40
(1.000 in.)
31.75
(1.250 in.)
17.00 Harden Steel 1 (Needle Roller) IDC39RS0
19.05mm (1905) 60-2 ASA 113.28
(4.460 in.)
25.40
(1.000 in.)
53.98
(2.125 in.)
17.00 Harden Steel 1 (Bronze Bush) IDC30RS0
19.05mm (1905) 60-2 ASA 113.28
(4.460 in.)
25.40
(1.000 in.)
53.98
(2.125 in.)
17.00 Harden Steel 1 (Needle Roller) IDC48RS0
25.40mm (2540) 80-1 ASA 118.36
(4.660 in.)
25.40
(1.000 in.)
38.10
(1.500 in.)
13.00 Harden Steel 1 (Bronze Bush) IDC26RS0
25.40mm (2540) 80-1 ASA 118.36
(4.660 in.)
25.40
(1.000 in.)
38.10
(1.500 in.)
13.00 Harden Steel 1 (Needle Roller) IDC40RS0
25.40mm (2540) 80-2 ASA 118.36
(4.660 in.)
25.40
(1.000 in.)
63.50
(2.500 in.)
13.00 Harden Steel 1 (Bronze Bush) IDC31RS0
25.40mm (2540) 80-2 ASA 118.36
(4.660 in.)
25.40
(1.000 in.)
63.50
(2.500 in.)
13.00 Harden Steel 1 (Needle Roller) IDC49RS0
31.75mm (3175) 100-1 ASA 127.25
(5.010 in.)
38.10
(1.500 in.)
47.63
(1.875 in.)
11.00 Harden Steel 1 (Needle Roller) IDC41RS0
31.75mm (3175) 100-2 ASA 127.25
(5.010 in.)
38.10
(1.500 in.)
73.03
(2.875 in.)
11.00 Harden Steel 1 (Needle Roller) IDC50RS0
38.10mm (3810) 120-1 ASA 152.65
(6.010 in.)
38.10
(1.500 in.)
53.98
(2.125 in.)
11.00 Harden Steel 1 (Needle Roller) IDC42RS0
44.45mm (4445) 140-1 ASA 178.05
(7.010 in.)
38.10
(1.500 in.)
57.15
(2.250 in.)
11.00 Harden Steel 1 (Needle Roller) IDC43RS0
50.80mm (5080) 160-1 ASA 170.18
(6.700 in.)
38.10
(1.500 in.)
57.15
(2.250 in.)
9.00 Harden Steel 1 (Needle Roller) IDC44RS0
This is page 1 of 1 showing items 1 to 37 of 37 items.




Related Information:
Tensioners
Roller Chain (See types under R)
Idler Shafts

Combined Categories:
Click to see all Sprockets for Roller Chain


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