Idler Shafts

There are 10 products in the sub-categories of Idler Shafts. Browse the Idler Shafts products table.

Category Details

A selection of Idler Shafts. Ready made precision ground idler shafts.

  • An expanded range may be available on special order. Please enquire.
  • Internal grease hole can be accessed by drilling if required
  • Use with your idler pulleys.
  • Can be used with the idler tensioners listed on this site or use in your own design.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Idler Shafts category on the Small Parts & Bearings online store.
Shaft Length (A) Diameter (C) Thread Size Overall Length (B) Base to grease hole depth (D) Thread Length (E) Indicative
Image
Idler Shafts - 26.975x12.7 mm - 3/8-16 - Carbon Steel Shaft
Shaft Length (A)
26.975
mm

(Equiv. 1.062 in.)
Diameter (C)
12.700
mm

(Equiv. 0.5 in.)
Thread Size
3/8-16

Overall Length (B)
38.100
mm
Base to grease hole depth (D)
9.525
mm
Thread Length (E)
11.100
mm
Idler Shafts - 26.975x12.7 mm - 3/8-16 - Carbon Steel
Material: Carbon Steel    Approx Weight: 0.07 Kg   
Part Number: IDC-167RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$56.41 AUD
$67.69 AUD $56.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Shaft Length (A) Diameter (C) Thread Size Overall Length (B) Indicative
Image
Idler Shafts - 26.975x12.7 mm - 3/8-16 - Carbon Steel Shaft
Shaft Length (A)
26.975
mm

(Equiv. 1.062 in.)
Diameter (C)
12.700
mm

(Equiv. 0.5 in.)
Thread Size
3/8-16

Overall Length (B)
38.100
mm
Idler Shafts - 26.975x12.7 mm - 3/8-16 - Carbon Steel
Material: Carbon Steel    Base to grease hole depth (D): 9.525 mm    Thread Length (E): 11.100 mm    Approx Weight: 0.07 Kg   
Part Number: IDC-167RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$56.41 AUD
$67.69 AUD $56.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 38.1x25.4 mm - 3/4-10 - Carbon Steel Shaft
Shaft Length (A)
38.100
mm

(Equiv. 1.5 in.)
Diameter (C)
25.400
mm

(Equiv. 1 in.)
Thread Size
3/4-10

Overall Length (B)
53.975
mm
Base to grease hole depth (D)
15.875
mm
Thread Length (E)
22.225
mm
Idler Shafts - 38.1x25.4 mm - 3/4-10 - Carbon Steel
Material: Carbon Steel    Approx Weight: 0.33 Kg   
Part Number: IDC-162RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$93.50 AUD
$93.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 38.1x25.4 mm - 3/4-10 - Carbon Steel Shaft
Shaft Length (A)
38.100
mm

(Equiv. 1.5 in.)
Diameter (C)
25.400
mm

(Equiv. 1 in.)
Thread Size
3/4-10

Overall Length (B)
53.975
mm
Idler Shafts - 38.1x25.4 mm - 3/4-10 - Carbon Steel
Material: Carbon Steel    Base to grease hole depth (D): 15.875 mm    Thread Length (E): 22.225 mm    Approx Weight: 0.33 Kg   
Part Number: IDC-162RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$93.50 AUD
$93.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 38.1x25.4 mm - 3/4-16 - Carbon Steel Shaft
Shaft Length (A)
38.100
mm

(Equiv. 1.5 in.)
Diameter (C)
25.400
mm

(Equiv. 1 in.)
Thread Size
3/4-16

Overall Length (B)
53.975
mm
Base to grease hole depth (D)
15.875
mm
Thread Length (E)
22.225
mm
Idler Shafts - 38.1x25.4 mm - 3/4-16 - Carbon Steel
Material: Carbon Steel    Approx Weight: 0.33 Kg   
Part Number: IDC-168RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$82.77 AUD
$99.33 AUD $82.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 38.1x25.4 mm - 3/4-16 - Carbon Steel Shaft
Shaft Length (A)
38.100
mm

(Equiv. 1.5 in.)
Diameter (C)
25.400
mm

(Equiv. 1 in.)
Thread Size
3/4-16

Overall Length (B)
53.975
mm
Idler Shafts - 38.1x25.4 mm - 3/4-16 - Carbon Steel
Material: Carbon Steel    Base to grease hole depth (D): 15.875 mm    Thread Length (E): 22.225 mm    Approx Weight: 0.33 Kg   
Part Number: IDC-168RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$82.77 AUD
$99.33 AUD $82.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 63.5x25.4 mm - 3/4-10 - Carbon Steel Shaft
Shaft Length (A)
63.500
mm

(Equiv. 2.5 in.)
Diameter (C)
25.400
mm

(Equiv. 1 in.)
Thread Size
3/4-10

Overall Length (B)
79.375
mm
Base to grease hole depth (D)
28.575
mm
Thread Length (E)
22.225
mm
Idler Shafts - 63.5x25.4 mm - 3/4-10 - Carbon Steel
Material: Carbon Steel    Approx Weight: 0.42 Kg   
Part Number: IDC-163RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$93.68 AUD
$112.42 AUD $93.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 63.5x25.4 mm - 3/4-10 - Carbon Steel Shaft
Shaft Length (A)
63.500
mm

(Equiv. 2.5 in.)
Diameter (C)
25.400
mm

(Equiv. 1 in.)
Thread Size
3/4-10

Overall Length (B)
79.375
mm
Idler Shafts - 63.5x25.4 mm - 3/4-10 - Carbon Steel
Material: Carbon Steel    Base to grease hole depth (D): 28.575 mm    Thread Length (E): 22.225 mm    Approx Weight: 0.42 Kg   
Part Number: IDC-163RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$93.68 AUD
$112.42 AUD $93.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 63.5x25.4 mm - 3/4-16 - Carbon Steel Shaft
Shaft Length (A)
63.500
mm

(Equiv. 2.5 in.)
Diameter (C)
25.400
mm

(Equiv. 1 in.)
Thread Size
3/4-16

Overall Length (B)
79.375
mm
Base to grease hole depth (D)
28.575
mm
Thread Length (E)
22.225
mm
Idler Shafts - 63.5x25.4 mm - 3/4-16 - Carbon Steel
Material: Carbon Steel    Approx Weight: 0.42 Kg   
Part Number: IDC-169RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$97.32 AUD
$116.78 AUD $97.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 63.5x25.4 mm - 3/4-16 - Carbon Steel Shaft
Shaft Length (A)
63.500
mm

(Equiv. 2.5 in.)
Diameter (C)
25.400
mm

(Equiv. 1 in.)
Thread Size
3/4-16

Overall Length (B)
79.375
mm
Idler Shafts - 63.5x25.4 mm - 3/4-16 - Carbon Steel
Material: Carbon Steel    Base to grease hole depth (D): 28.575 mm    Thread Length (E): 22.225 mm    Approx Weight: 0.42 Kg   
Part Number: IDC-169RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$97.32 AUD
$116.78 AUD $97.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 82.55x38.1 mm - 1in.-14TPI - Carbon Steel Shaft
Shaft Length (A)
82.550
mm

(Equiv. 3.25 in.)
Diameter (C)
38.100
mm

(Equiv. 1.5 in.)
Thread Size
1in.-14TPI

Overall Length (B)
101.600
mm
Base to grease hole depth (D)
34.925
mm
Thread Length (E)
33.325
mm
Idler Shafts - 82.55x38.1 mm - 1in.-14TPI - Carbon Steel
Material: Carbon Steel    Approx Weight: 1.17 Kg   
Part Number: IDC-171RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$285.14 AUD
$342.16 AUD $285.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 82.55x38.1 mm - 1in.-14TPI - Carbon Steel Shaft
Shaft Length (A)
82.550
mm

(Equiv. 3.25 in.)
Diameter (C)
38.100
mm

(Equiv. 1.5 in.)
Thread Size
1in.-14TPI

Overall Length (B)
101.600
mm
Idler Shafts - 82.55x38.1 mm - 1in.-14TPI - Carbon Steel
Material: Carbon Steel    Base to grease hole depth (D): 34.925 mm    Thread Length (E): 33.325 mm    Approx Weight: 1.17 Kg   
Part Number: IDC-171RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$285.14 AUD
$342.16 AUD $285.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 82.55x38.1 mm - 1in.-8TPI - Carbon Steel Shaft
Shaft Length (A)
82.550
mm

(Equiv. 3.25 in.)
Diameter (C)
38.100
mm

(Equiv. 1.5 in.)
Thread Size
1in.-8TPI

Overall Length (B)
101.600
mm
Base to grease hole depth (D)
34.925
mm
Thread Length (E)
33.325
mm
Idler Shafts - 82.55x38.1 mm - 1in.-8TPI - Carbon Steel
Material: Carbon Steel    Approx Weight: 1.17 Kg   
Part Number: IDC-165RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$285.14 AUD
$342.16 AUD $285.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 82.55x38.1 mm - 1in.-8TPI - Carbon Steel Shaft
Shaft Length (A)
82.550
mm

(Equiv. 3.25 in.)
Diameter (C)
38.100
mm

(Equiv. 1.5 in.)
Thread Size
1in.-8TPI

Overall Length (B)
101.600
mm
Idler Shafts - 82.55x38.1 mm - 1in.-8TPI - Carbon Steel
Material: Carbon Steel    Base to grease hole depth (D): 34.925 mm    Thread Length (E): 33.325 mm    Approx Weight: 1.17 Kg   
Part Number: IDC-165RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$285.14 AUD
$342.16 AUD $285.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 88.9x25.4 mm - 3/4-16 - Carbon Steel Shaft
Shaft Length (A)
88.900
mm

(Equiv. 3.5 in.)
Diameter (C)
25.400
mm

(Equiv. 1 in.)
Thread Size
3/4-16

Overall Length (B)
104.775
mm
Base to grease hole depth (D)
41.275
mm
Thread Length (E)
22.225
mm
Idler Shafts - 88.9x25.4 mm - 3/4-16 - Carbon Steel
Material: Carbon Steel    Approx Weight: 0.52 Kg   
Part Number: IDC-170RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$114.32 AUD
$137.18 AUD $114.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 88.9x25.4 mm - 3/4-16 - Carbon Steel Shaft
Shaft Length (A)
88.900
mm

(Equiv. 3.5 in.)
Diameter (C)
25.400
mm

(Equiv. 1 in.)
Thread Size
3/4-16

Overall Length (B)
104.775
mm
Idler Shafts - 88.9x25.4 mm - 3/4-16 - Carbon Steel
Material: Carbon Steel    Base to grease hole depth (D): 41.275 mm    Thread Length (E): 22.225 mm    Approx Weight: 0.52 Kg   
Part Number: IDC-170RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$114.32 AUD
$137.18 AUD $114.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 133.35x38.1 mm - 1in.-14TPI - Carbon Steel Shaft
Shaft Length (A)
133.350
mm

(Equiv. 5.25 in.)
Diameter (C)
38.100
mm

(Equiv. 1.5 in.)
Thread Size
1in.-14TPI

Overall Length (B)
152.400
mm
Base to grease hole depth (D)
63.500
mm
Thread Length (E)
33.325
mm
Idler Shafts - 133.35x38.1 mm - 1in.-14TPI - Carbon Steel
Material: Carbon Steel    Approx Weight: 1.62 Kg   
Part Number: IDC-172RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$339.68 AUD
$407.62 AUD $339.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 133.35x38.1 mm - 1in.-14TPI - Carbon Steel Shaft
Shaft Length (A)
133.350
mm

(Equiv. 5.25 in.)
Diameter (C)
38.100
mm

(Equiv. 1.5 in.)
Thread Size
1in.-14TPI

Overall Length (B)
152.400
mm
Idler Shafts - 133.35x38.1 mm - 1in.-14TPI - Carbon Steel
Material: Carbon Steel    Base to grease hole depth (D): 63.500 mm    Thread Length (E): 33.325 mm    Approx Weight: 1.62 Kg   
Part Number: IDC-172RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$339.68 AUD
$407.62 AUD $339.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 133.35x38.1 mm - 1in.-8TPI - Carbon Steel Shaft
Shaft Length (A)
133.350
mm

(Equiv. 5.25 in.)
Diameter (C)
38.100
mm

(Equiv. 1.5 in.)
Thread Size
1in.-8TPI

Overall Length (B)
152.400
mm
Base to grease hole depth (D)
63.500
mm
Thread Length (E)
33.325
mm
Idler Shafts - 133.35x38.1 mm - 1in.-8TPI - Carbon Steel
Material: Carbon Steel    Approx Weight: 1.62 Kg   
Part Number: IDC-166RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$339.68 AUD
$407.62 AUD $339.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Idler Shafts - 133.35x38.1 mm - 1in.-8TPI - Carbon Steel Shaft
Shaft Length (A)
133.350
mm

(Equiv. 5.25 in.)
Diameter (C)
38.100
mm

(Equiv. 1.5 in.)
Thread Size
1in.-8TPI

Overall Length (B)
152.400
mm
Idler Shafts - 133.35x38.1 mm - 1in.-8TPI - Carbon Steel
Material: Carbon Steel    Base to grease hole depth (D): 63.500 mm    Thread Length (E): 33.325 mm    Approx Weight: 1.62 Kg   
Part Number: IDC-166RS (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
$339.68 AUD
$407.62 AUD $339.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.