Collection: Pulleys - Inch Timing - 12.700mm Pitch H - 25.4mm Wide - Through Bore

Pulleys -> Inch Timing -> 12.700mm Pitch H -> 25.4mm Wide -> Through Bore

There are 12 products in the sub-categories of Pulleys - Inch Timing - 12.700mm Pitch H - 25.4mm Wide - Through Bore. Browse the Pulleys - Inch Timing - 12.700mm Pitch H - 25.4mm Wide - Through Bore products table.

Category Details

A selection of Through Bore 25.4mm Wide 12.700mm Pitch H Inch Timing Pulleys. Timing Pulleys to suit H Series 12.700mm Pitch. Unfinished Bore.

  • Timing pulleys combined with timing belts, provide power transmission without slippage.
  • Timing pulleys are toothed pulleys used with timing belts to synchronize the movement of different mechanical components, ensuring precise timing and coordination.
  • Some uses for timing pulleys include 3D printers, CNC machines, robotics and automation components, textile machinery, office equipment such as scanners and copiers, and medical devices requiring precise movement control.
  • Cast Iron and Steel
  • Hub requires drilling and tapping
  • Bore requires machining to finished size

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Pulleys - Inch Timing - 12.700mm Pitch H - 25.4mm Wide - Through Bore category on the Small Parts & Bearings online store.
Number of Teeth Max Belt Width (W) Bore (d) Bore Type Indicative
Image
Number of Teeth
14

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 14 tooth - 25.4x15.875 mm - Steel - Black Oxide
Material: Steel - Black Oxide    Type: 2    Pitch Dia. (PD): 56.57 mm    Flange Diameter (FD): 62.5 mm    Overall Length: 47.6 mm    Hub Diameter (HD): 41.3    Locking Type: None   
Part Number: P-H-014-254FF-SB-N-0159U
Inch Timing Pulleys - 14 tooth - 25.4x15.875 mm 12.700mm Pitch H - Steel - Black Oxide Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $125.68 AUD
Regular price Sale price $125.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth Max Belt Width (W) Bore (d) Bore Type Indicative
Image
Number of Teeth
14

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 14 tooth - 25.4x15.875 mm - Steel - Black Oxide
Material: Steel - Black Oxide    Type: 2    Pitch Dia. (PD): 56.57 mm    Flange Diameter (FD): 62.5 mm    Overall Length: 47.6 mm    Hub Diameter (HD): 41.3    Locking Type: None   
Part Number: P-H-014-254FF-SB-N-0159U
Inch Timing Pulleys - 14 tooth - 25.4x15.875 mm 12.700mm Pitch H - Steel - Black Oxide Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $125.68 AUD
Regular price Sale price $125.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
16

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 16 tooth - 25.4x15.875 mm - Steel - Black Oxide
Material: Steel - Black Oxide    Type: 2    Pitch Dia. (PD): 64.65 mm    Flange Diameter (FD): 70.6 mm    Overall Length: 50.8 mm    Hub Diameter (HD): 47.6    Locking Type: None   
Part Number: P-H-016-254FF-SB-N-0159U
Inch Timing Pulleys - 16 tooth - 25.4x15.875 mm 12.700mm Pitch H - Steel - Black Oxide Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $133.59 AUD
Regular price $160.31 AUD Sale price $133.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
16

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 16 tooth - 25.4x15.875 mm - Steel - Black Oxide
Material: Steel - Black Oxide    Type: 2    Pitch Dia. (PD): 64.65 mm    Flange Diameter (FD): 70.6 mm    Overall Length: 50.8 mm    Hub Diameter (HD): 47.6    Locking Type: None   
Part Number: P-H-016-254FF-SB-N-0159U
Inch Timing Pulleys - 16 tooth - 25.4x15.875 mm 12.700mm Pitch H - Steel - Black Oxide Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $133.59 AUD
Regular price $160.31 AUD Sale price $133.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
17

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 17 tooth - 25.4x15.875 mm - Steel - Black Oxide
Material: Steel - Black Oxide    Type: 2    Pitch Dia. (PD): 68.69 mm    Flange Diameter (FD): 76.2 mm    Overall Length: 50.8 mm    Hub Diameter (HD): 50.8    Locking Type: None   
Part Number: P-H-017-254FF-SB-N-0159U
Inch Timing Pulleys - 17 tooth - 25.4x15.875 mm 12.700mm Pitch H - Steel - Black Oxide Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $148.14 AUD
Regular price $177.76 AUD Sale price $148.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
17

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 17 tooth - 25.4x15.875 mm - Steel - Black Oxide
Material: Steel - Black Oxide    Type: 2    Pitch Dia. (PD): 68.69 mm    Flange Diameter (FD): 76.2 mm    Overall Length: 50.8 mm    Hub Diameter (HD): 50.8    Locking Type: None   
Part Number: P-H-017-254FF-SB-N-0159U
Inch Timing Pulleys - 17 tooth - 25.4x15.875 mm 12.700mm Pitch H - Steel - Black Oxide Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $148.14 AUD
Regular price $177.76 AUD Sale price $148.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
18

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 18 tooth - 25.4x15.875 mm - Steel - Black Oxide
Material: Steel - Black Oxide    Type: 2    Pitch Dia. (PD): 72.73 mm    Flange Diameter (FD): 78.7 mm    Overall Length: 50.8 mm    Hub Diameter (HD): 57.2    Locking Type: None   
Part Number: P-H-018-254FF-SB-N-0159U
Inch Timing Pulleys - 18 tooth - 25.4x15.875 mm 12.700mm Pitch H - Steel - Black Oxide Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $163.86 AUD
Regular price $196.64 AUD Sale price $163.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
18

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 18 tooth - 25.4x15.875 mm - Steel - Black Oxide
Material: Steel - Black Oxide    Type: 2    Pitch Dia. (PD): 72.73 mm    Flange Diameter (FD): 78.7 mm    Overall Length: 50.8 mm    Hub Diameter (HD): 57.2    Locking Type: None   
Part Number: P-H-018-254FF-SB-N-0159U
Inch Timing Pulleys - 18 tooth - 25.4x15.875 mm 12.700mm Pitch H - Steel - Black Oxide Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $163.86 AUD
Regular price $196.64 AUD Sale price $163.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
19

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 19 tooth - 25.4x15.875 mm - Steel - Black Oxide
Material: Steel - Black Oxide    Type: 2    Pitch Dia. (PD): 76.77 mm    Flange Diameter (FD): 82.7 mm    Overall Length: 50.8 mm    Hub Diameter (HD): 60.3    Locking Type: None   
Part Number: P-H-019-254FF-SB-N-0159U
Inch Timing Pulleys - 19 tooth - 25.4x15.875 mm 12.700mm Pitch H - Steel - Black Oxide Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $188.32 AUD
Regular price $225.98 AUD Sale price $188.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
19

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 19 tooth - 25.4x15.875 mm - Steel - Black Oxide
Material: Steel - Black Oxide    Type: 2    Pitch Dia. (PD): 76.77 mm    Flange Diameter (FD): 82.7 mm    Overall Length: 50.8 mm    Hub Diameter (HD): 60.3    Locking Type: None   
Part Number: P-H-019-254FF-SB-N-0159U
Inch Timing Pulleys - 19 tooth - 25.4x15.875 mm 12.700mm Pitch H - Steel - Black Oxide Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $188.32 AUD
Regular price $225.98 AUD Sale price $188.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
20

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 20 tooth - 25.4x15.875 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 80.81 mm    Flange Diameter (FD): 86.9 mm    Overall Length: 50.8 mm    Hub Diameter (HD): 63.5    Locking Type: None   
Part Number: P-H-020-254FF-CB-N-0159U
Inch Timing Pulleys - 20 tooth - 25.4x15.875 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $190.77 AUD
Regular price $228.93 AUD Sale price $190.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
20

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 20 tooth - 25.4x15.875 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 80.81 mm    Flange Diameter (FD): 86.9 mm    Overall Length: 50.8 mm    Hub Diameter (HD): 63.5    Locking Type: None   
Part Number: P-H-020-254FF-CB-N-0159U
Inch Timing Pulleys - 20 tooth - 25.4x15.875 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $190.77 AUD
Regular price $228.93 AUD Sale price $190.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
21

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
19.050
mm

(Equiv. 0.75 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 21 tooth - 25.4x19.05 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 84.86 mm    Flange Diameter (FD): 90.8 mm    Overall Length: 54.0 mm    Hub Diameter (HD): 66.7    Locking Type: None   
Part Number: P-H-021-254FF-CB-N-0191U
Inch Timing Pulleys - 21 tooth - 25.4x19.05 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $215.77 AUD
Regular price $258.93 AUD Sale price $215.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
21

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
19.050
mm

(Equiv. 0.75 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 21 tooth - 25.4x19.05 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 84.86 mm    Flange Diameter (FD): 90.8 mm    Overall Length: 54.0 mm    Hub Diameter (HD): 66.7    Locking Type: None   
Part Number: P-H-021-254FF-CB-N-0191U
Inch Timing Pulleys - 21 tooth - 25.4x19.05 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $215.77 AUD
Regular price $258.93 AUD Sale price $215.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
22

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
19.050
mm

(Equiv. 0.75 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 22 tooth - 25.4x19.05 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 88.90 mm    Flange Diameter (FD): 94.9 mm    Overall Length: 57.2 mm    Hub Diameter (HD): 69.9    Locking Type: None   
Part Number: P-H-022-254FF-CB-N-0191U
Inch Timing Pulleys - 22 tooth - 25.4x19.05 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $245.23 AUD
Regular price $294.27 AUD Sale price $245.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
22

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
19.050
mm

(Equiv. 0.75 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 22 tooth - 25.4x19.05 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 88.90 mm    Flange Diameter (FD): 94.9 mm    Overall Length: 57.2 mm    Hub Diameter (HD): 69.9    Locking Type: None   
Part Number: P-H-022-254FF-CB-N-0191U
Inch Timing Pulleys - 22 tooth - 25.4x19.05 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $245.23 AUD
Regular price $294.27 AUD Sale price $245.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
24

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
19.050
mm

(Equiv. 0.75 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 24 tooth - 25.4x19.05 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 96.98 mm    Flange Diameter (FD): 102.9 mm    Overall Length: 57.2 mm    Hub Diameter (HD): 76.2    Locking Type: None   
Part Number: P-H-024-254FF-CB-N-0191U
Inch Timing Pulleys - 24 tooth - 25.4x19.05 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $278.95 AUD
Regular price $334.75 AUD Sale price $278.95 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
24

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
19.050
mm

(Equiv. 0.75 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 24 tooth - 25.4x19.05 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 96.98 mm    Flange Diameter (FD): 102.9 mm    Overall Length: 57.2 mm    Hub Diameter (HD): 76.2    Locking Type: None   
Part Number: P-H-024-254FF-CB-N-0191U
Inch Timing Pulleys - 24 tooth - 25.4x19.05 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $278.95 AUD
Regular price $334.75 AUD Sale price $278.95 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
26

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
19.050
mm

(Equiv. 0.75 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 26 tooth - 25.4x19.05 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 105.06 mm    Flange Diameter (FD): 111.0 mm    Overall Length: 60.3 mm    Hub Diameter (HD): 85.7    Locking Type: None   
Part Number: P-H-026-254FF-CB-N-0191U
Inch Timing Pulleys - 26 tooth - 25.4x19.05 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $323.59 AUD
Regular price $388.31 AUD Sale price $323.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
26

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
19.050
mm

(Equiv. 0.75 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 26 tooth - 25.4x19.05 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 105.06 mm    Flange Diameter (FD): 111.0 mm    Overall Length: 60.3 mm    Hub Diameter (HD): 85.7    Locking Type: None   
Part Number: P-H-026-254FF-CB-N-0191U
Inch Timing Pulleys - 26 tooth - 25.4x19.05 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $323.59 AUD
Regular price $388.31 AUD Sale price $323.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
28

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
19.050
mm

(Equiv. 0.75 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 28 tooth - 25.4x19.05 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 113.14 mm    Flange Diameter (FD): 119.1 mm    Overall Length: 60.3 mm    Hub Diameter (HD): 88.9    Locking Type: None   
Part Number: P-H-028-254FF-CB-N-0191U
Inch Timing Pulleys - 28 tooth - 25.4x19.05 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $349.23 AUD
Regular price $419.07 AUD Sale price $349.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
28

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
19.050
mm

(Equiv. 0.75 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 28 tooth - 25.4x19.05 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 113.14 mm    Flange Diameter (FD): 119.1 mm    Overall Length: 60.3 mm    Hub Diameter (HD): 88.9    Locking Type: None   
Part Number: P-H-028-254FF-CB-N-0191U
Inch Timing Pulleys - 28 tooth - 25.4x19.05 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $349.23 AUD
Regular price $419.07 AUD Sale price $349.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
30

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
19.050
mm

(Equiv. 0.75 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 30 tooth - 25.4x19.05 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 121.22 mm    Flange Diameter (FD): 127.1 mm    Overall Length: 60.3 mm    Hub Diameter (HD): 92.1    Locking Type: None   
Part Number: P-H-030-254FF-CB-N-0191U
Inch Timing Pulleys - 30 tooth - 25.4x19.05 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $394.68 AUD
Regular price $473.62 AUD Sale price $394.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
Number of Teeth
30

Max Belt Width (W)
25.40
mm

(Equiv. 1 in.)
Bore (d)
19.050
mm

(Equiv. 0.75 in.)
Bore Type
Unfinished
Inch Timing Pulleys - 30 tooth - 25.4x19.05 mm - Cast Iron
Material: Cast Iron    Type: 2    Pitch Dia. (PD): 121.22 mm    Flange Diameter (FD): 127.1 mm    Overall Length: 60.3 mm    Hub Diameter (HD): 92.1    Locking Type: None   
Part Number: P-H-030-254FF-CB-N-0191U
Inch Timing Pulleys - 30 tooth - 25.4x19.05 mm 12.700mm Pitch H - Cast Iron Pulley
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
Regular price $394.68 AUD
Regular price $473.62 AUD Sale price $394.68 AUD
Each
Quantity Required

Backorder: Out of Stock.