Collection: 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)
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
Material: Carbon Steel Approx Weight: 0.07 Kg
Part Number: IDC-167RS Idler Shafts - 26.975x12.7 mm - 3/8-16 - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $56.41 AUD Regular price ~~$67.69 AUD~~ Sale price $56.41 AUD Unit price per 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
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
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 Idler Shafts - 26.975x12.7 mm - 3/8-16 - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $56.41 AUD Regular price ~~$67.69 AUD~~ Sale price $56.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
IDC-167RS --- Idler Shafts - 26.975x12.7 mm - 3/8-16 - Carbon Steel Shaft Sale IDC-167RS --- Idler Shafts - 26.975x12.7 mm - 3/8-16 - Carbon Steel Shaft Regular price $56.41 AUD Regular price ~~$67.69 AUD~~ Sale price $56.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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
Material: Carbon Steel Approx Weight: 0.33 Kg
Part Number: IDC-162RS Idler Shafts - 38.1x25.4 mm - 3/4-10 - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $93.50 AUD Regular price Sale price $93.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 Idler Shafts - 38.1x25.4 mm - 3/4-10 - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $93.50 AUD Regular price Sale price $93.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
IDC-162RS --- Idler Shafts - 38.1x25.4 mm - 3/4-10 - Carbon Steel Shaft IDC-162RS --- Idler Shafts - 38.1x25.4 mm - 3/4-10 - Carbon Steel Shaft Regular price $93.50 AUD Regular price Sale price $93.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
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
Material: Carbon Steel Approx Weight: 0.33 Kg
Part Number: IDC-168RS Idler Shafts - 38.1x25.4 mm - 3/4-16 - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $82.77 AUD Regular price ~~$99.33 AUD~~ Sale price $82.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 Idler Shafts - 38.1x25.4 mm - 3/4-16 - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $82.77 AUD Regular price ~~$99.33 AUD~~ Sale price $82.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
IDC-168RS --- Idler Shafts - 38.1x25.4 mm - 3/4-16 - Carbon Steel Shaft Sale IDC-168RS --- Idler Shafts - 38.1x25.4 mm - 3/4-16 - Carbon Steel Shaft Regular price $82.77 AUD Regular price ~~$99.33 AUD~~ Sale price $82.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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
Material: Carbon Steel Approx Weight: 0.42 Kg
Part Number: IDC-163RS Idler Shafts - 63.5x25.4 mm - 3/4-10 - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $93.68 AUD Regular price ~~$112.42 AUD~~ Sale price $93.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 Idler Shafts - 63.5x25.4 mm - 3/4-10 - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $93.68 AUD Regular price ~~$112.42 AUD~~ Sale price $93.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
IDC-163RS --- Idler Shafts - 63.5x25.4 mm - 3/4-10 - Carbon Steel Shaft Sale IDC-163RS --- Idler Shafts - 63.5x25.4 mm - 3/4-10 - Carbon Steel Shaft Regular price $93.68 AUD Regular price ~~$112.42 AUD~~ Sale price $93.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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
Material: Carbon Steel Approx Weight: 0.42 Kg
Part Number: IDC-169RS Idler Shafts - 63.5x25.4 mm - 3/4-16 - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $97.32 AUD Regular price ~~$116.78 AUD~~ Sale price $97.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 Idler Shafts - 63.5x25.4 mm - 3/4-16 - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $97.32 AUD Regular price ~~$116.78 AUD~~ Sale price $97.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
IDC-169RS --- Idler Shafts - 63.5x25.4 mm - 3/4-16 - Carbon Steel Shaft Sale IDC-169RS --- Idler Shafts - 63.5x25.4 mm - 3/4-16 - Carbon Steel Shaft Regular price $97.32 AUD Regular price ~~$116.78 AUD~~ Sale price $97.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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
Material: Carbon Steel Approx Weight: 1.17 Kg
Part Number: IDC-171RS Idler Shafts - 82.55x38.1 mm - 1in.-14TPI - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $285.14 AUD Regular price ~~$342.16 AUD~~ Sale price $285.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 Idler Shafts - 82.55x38.1 mm - 1in.-14TPI - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $285.14 AUD Regular price ~~$342.16 AUD~~ Sale price $285.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
IDC-171RS --- Idler Shafts - 82.55x38.1 mm - 1in.-14TPI - Carbon Steel Shaft Sale IDC-171RS --- Idler Shafts - 82.55x38.1 mm - 1in.-14TPI - Carbon Steel Shaft Regular price $285.14 AUD Regular price ~~$342.16 AUD~~ Sale price $285.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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
Material: Carbon Steel Approx Weight: 1.17 Kg
Part Number: IDC-165RS Idler Shafts - 82.55x38.1 mm - 1in.-8TPI - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $285.14 AUD Regular price ~~$342.16 AUD~~ Sale price $285.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 Idler Shafts - 82.55x38.1 mm - 1in.-8TPI - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $285.14 AUD Regular price ~~$342.16 AUD~~ Sale price $285.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
IDC-165RS --- Idler Shafts - 82.55x38.1 mm - 1in.-8TPI - Carbon Steel Shaft Sale IDC-165RS --- Idler Shafts - 82.55x38.1 mm - 1in.-8TPI - Carbon Steel Shaft Regular price $285.14 AUD Regular price ~~$342.16 AUD~~ Sale price $285.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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
Material: Carbon Steel Approx Weight: 0.52 Kg
Part Number: IDC-170RS Idler Shafts - 88.9x25.4 mm - 3/4-16 - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $114.32 AUD Regular price ~~$137.18 AUD~~ Sale price $114.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 Idler Shafts - 88.9x25.4 mm - 3/4-16 - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $114.32 AUD Regular price ~~$137.18 AUD~~ Sale price $114.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
IDC-170RS --- Idler Shafts - 88.9x25.4 mm - 3/4-16 - Carbon Steel Shaft Sale IDC-170RS --- Idler Shafts - 88.9x25.4 mm - 3/4-16 - Carbon Steel Shaft Regular price $114.32 AUD Regular price ~~$137.18 AUD~~ Sale price $114.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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
Material: Carbon Steel Approx Weight: 1.62 Kg
Part Number: IDC-172RS Idler Shafts - 133.35x38.1 mm - 1in.-14TPI - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $339.68 AUD Regular price ~~$407.62 AUD~~ Sale price $339.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 Idler Shafts - 133.35x38.1 mm - 1in.-14TPI - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $339.68 AUD Regular price ~~$407.62 AUD~~ Sale price $339.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
IDC-172RS --- Idler Shafts - 133.35x38.1 mm - 1in.-14TPI - Carbon Steel Shaft Sale IDC-172RS --- Idler Shafts - 133.35x38.1 mm - 1in.-14TPI - Carbon Steel Shaft Regular price $339.68 AUD Regular price ~~$407.62 AUD~~ Sale price $339.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
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
Material: Carbon Steel Approx Weight: 1.62 Kg
Part Number: IDC-166RS Idler Shafts - 133.35x38.1 mm - 1in.-8TPI - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $339.68 AUD Regular price ~~$407.62 AUD~~ Sale price $339.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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
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 Idler Shafts - 133.35x38.1 mm - 1in.-8TPI - Carbon Steel Shaft Out of Stock \| Backorder Now \| Orders can be expected around Mon, Nov 24, 2025 Regular price $339.68 AUD Regular price ~~$407.62 AUD~~ Sale price $339.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
IDC-166RS --- Idler Shafts - 133.35x38.1 mm - 1in.-8TPI - Carbon Steel Shaft Sale IDC-166RS --- Idler Shafts - 133.35x38.1 mm - 1in.-8TPI - Carbon Steel Shaft Regular price $339.68 AUD Regular price ~~$407.62 AUD~~ Sale price $339.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale