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) 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
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
Idler Shafts - 26.975x12.7 mm - 3/8-16 - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $56.41 AUD
Regular price $67.69 AUD Sale price $56.41 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 26.975x12.7 mm - 3/8-16 - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $56.41 AUD
Regular price $67.69 AUD Sale price $56.41 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 38.1x25.4 mm - 3/4-10 - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $93.50 AUD
Regular price Sale price $93.50 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 38.1x25.4 mm - 3/4-10 - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $93.50 AUD
Regular price Sale price $93.50 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 38.1x25.4 mm - 3/4-16 - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $82.77 AUD
Regular price $99.33 AUD Sale price $82.77 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 38.1x25.4 mm - 3/4-16 - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $82.77 AUD
Regular price $99.33 AUD Sale price $82.77 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 63.5x25.4 mm - 3/4-10 - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $93.68 AUD
Regular price $112.42 AUD Sale price $93.68 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 63.5x25.4 mm - 3/4-10 - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $93.68 AUD
Regular price $112.42 AUD Sale price $93.68 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 63.5x25.4 mm - 3/4-16 - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $97.32 AUD
Regular price $116.78 AUD Sale price $97.32 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 63.5x25.4 mm - 3/4-16 - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $97.32 AUD
Regular price $116.78 AUD Sale price $97.32 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 82.55x38.1 mm - 1in.-14TPI - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $285.14 AUD
Regular price $342.16 AUD Sale price $285.14 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 82.55x38.1 mm - 1in.-14TPI - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $285.14 AUD
Regular price $342.16 AUD Sale price $285.14 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 82.55x38.1 mm - 1in.-8TPI - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $285.14 AUD
Regular price $342.16 AUD Sale price $285.14 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 82.55x38.1 mm - 1in.-8TPI - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $285.14 AUD
Regular price $342.16 AUD Sale price $285.14 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 88.9x25.4 mm - 3/4-16 - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $114.32 AUD
Regular price $137.18 AUD Sale price $114.32 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 88.9x25.4 mm - 3/4-16 - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $114.32 AUD
Regular price $137.18 AUD Sale price $114.32 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 133.35x38.1 mm - 1in.-14TPI - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $339.68 AUD
Regular price $407.62 AUD Sale price $339.68 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 133.35x38.1 mm - 1in.-14TPI - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $339.68 AUD
Regular price $407.62 AUD Sale price $339.68 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 133.35x38.1 mm - 1in.-8TPI - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $339.68 AUD
Regular price $407.62 AUD Sale price $339.68 AUD
Excludes GST and overseas Taxes & Duties
Each
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
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
Idler Shafts - 133.35x38.1 mm - 1in.-8TPI - Carbon Steel Shaft
Out of Stock | Backorder Now | Orders can be expected around Wed, Sep 24, 2025
Regular price $339.68 AUD
Regular price $407.62 AUD Sale price $339.68 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.