Collection: Pulleys - Inch Timing - 12.700mm Pitch H - 50.8mm Wide - Through Bore

Pulleys (With Images)

Inch Timing

12.700mm Pitch H

50.8mm Wide

Taperlock
Through Bore

12 Products in this selection

Timing Pulleys to suit H Series 12.700mm Pitch. Unfinished Bore.
Steel and Cast Iron
No grub screw
Hub requires drilling and tapping
Bore requires machining to finished size

Additional resources:
Timing Pulleys Catalogue PDF
H Section Timing Belts

Teeth	Max Belt Width (W)	Bore (d)	Bore Type	Locking Type
14	50.80 mm	19.050 mm	Unfinished	None
Material: Steel - Black Oxide Type: 2 Pitch Dia. (PD): 56.57 mm Flange Diameter (FD): 62.5 mm Overall Length: 73.8 mm Hub Diameter (HD): 41.3
Part Number: P-H-014-508FF-SB-N-0191U Inch Timing Pulleys - 14 x 50.8 mm x 19.05 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $139.95 AUD Regular price Sale price $139.95 AUD Unit price per Each View the product page first if you are unsure ->
Teeth	Max Belt Width (W)	Bore (d)	Bore Type	Indicative Image
14	50.80 mm	19.050 mm	Unfinished
Material: Steel - Black Oxide Locking Type: None Type: 2 Pitch Dia. (PD): 56.57 mm Flange Diameter (FD): 62.5 mm Overall Length: 73.8 mm Hub Diameter (HD): 41.3
Part Number: P-H-014-508FF-SB-N-0191U Inch Timing Pulleys - 14 x 50.8 mm x 19.05 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $139.95 AUD Regular price Sale price $139.95 AUD Unit price per Each View the product page first if you are unsure.
P-H-014-508FF-SB-N-0191U --- Inch Timing Pulleys - 14 x 50.8 mm x 19.05 mm Steel - Black Oxide P-H-014-508FF-SB-N-0191U --- Inch Timing Pulleys - 14 x 50.8 mm x 19.05 mm Steel - Black Oxide Regular price $139.95 AUD Regular price Sale price $139.95 AUD Unit price per Out of stock! Backorder Now
16	50.80 mm	19.050 mm	Unfinished	None
Material: Steel - Black Oxide Type: 2 Pitch Dia. (PD): 64.65 mm Flange Diameter (FD): 70.6 mm Overall Length: 77.0 mm Hub Diameter (HD): 47.6
Part Number: P-H-016-508FF-SB-N-0191U Inch Timing Pulleys - 16 x 50.8 mm x 19.05 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $168.68 AUD Regular price Sale price $168.68 AUD Unit price per Each View the product page first if you are unsure ->
16	50.80 mm	19.050 mm	Unfinished
Material: Steel - Black Oxide Locking Type: None Type: 2 Pitch Dia. (PD): 64.65 mm Flange Diameter (FD): 70.6 mm Overall Length: 77.0 mm Hub Diameter (HD): 47.6
Part Number: P-H-016-508FF-SB-N-0191U Inch Timing Pulleys - 16 x 50.8 mm x 19.05 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $168.68 AUD Regular price Sale price $168.68 AUD Unit price per Each View the product page first if you are unsure.
P-H-016-508FF-SB-N-0191U --- Inch Timing Pulleys - 16 x 50.8 mm x 19.05 mm Steel - Black Oxide P-H-016-508FF-SB-N-0191U --- Inch Timing Pulleys - 16 x 50.8 mm x 19.05 mm Steel - Black Oxide Regular price $168.68 AUD Regular price Sale price $168.68 AUD Unit price per Out of stock! Backorder Now
17	50.80 mm	19.050 mm	Unfinished	None
Material: Steel - Black Oxide Type: 2 Pitch Dia. (PD): 68.69 mm Flange Diameter (FD): 76.2 mm Overall Length: 77.0 mm Hub Diameter (HD): 50.8
Part Number: P-H-017-508FF-SB-N-0191U Inch Timing Pulleys - 17 x 50.8 mm x 19.05 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $185.41 AUD Regular price Sale price $185.41 AUD Unit price per Each View the product page first if you are unsure ->
17	50.80 mm	19.050 mm	Unfinished
Material: Steel - Black Oxide Locking Type: None Type: 2 Pitch Dia. (PD): 68.69 mm Flange Diameter (FD): 76.2 mm Overall Length: 77.0 mm Hub Diameter (HD): 50.8
Part Number: P-H-017-508FF-SB-N-0191U Inch Timing Pulleys - 17 x 50.8 mm x 19.05 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $185.41 AUD Regular price Sale price $185.41 AUD Unit price per Each View the product page first if you are unsure.
P-H-017-508FF-SB-N-0191U --- Inch Timing Pulleys - 17 x 50.8 mm x 19.05 mm Steel - Black Oxide P-H-017-508FF-SB-N-0191U --- Inch Timing Pulleys - 17 x 50.8 mm x 19.05 mm Steel - Black Oxide Regular price $185.41 AUD Regular price Sale price $185.41 AUD Unit price per Out of stock! Backorder Now
18	50.80 mm	19.050 mm	Unfinished	None
Material: Steel - Black Oxide Type: 2 Pitch Dia. (PD): 72.73 mm Flange Diameter (FD): 78.7 mm Overall Length: 77.0 mm Hub Diameter (HD): 57.2
Part Number: P-H-018-508FF-SB-N-0191U Inch Timing Pulleys - 18 x 50.8 mm x 19.05 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $200.50 AUD Regular price Sale price $200.50 AUD Unit price per Each View the product page first if you are unsure ->
18	50.80 mm	19.050 mm	Unfinished
Material: Steel - Black Oxide Locking Type: None Type: 2 Pitch Dia. (PD): 72.73 mm Flange Diameter (FD): 78.7 mm Overall Length: 77.0 mm Hub Diameter (HD): 57.2
Part Number: P-H-018-508FF-SB-N-0191U Inch Timing Pulleys - 18 x 50.8 mm x 19.05 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $200.50 AUD Regular price Sale price $200.50 AUD Unit price per Each View the product page first if you are unsure.
P-H-018-508FF-SB-N-0191U --- Inch Timing Pulleys - 18 x 50.8 mm x 19.05 mm Steel - Black Oxide P-H-018-508FF-SB-N-0191U --- Inch Timing Pulleys - 18 x 50.8 mm x 19.05 mm Steel - Black Oxide Regular price $200.50 AUD Regular price Sale price $200.50 AUD Unit price per Out of stock! Backorder Now
19	50.80 mm	19.050 mm	Unfinished	None
Material: Steel - Black Oxide Type: 2 Pitch Dia. (PD): 76.77 mm Flange Diameter (FD): 82.7 mm Overall Length: 77.0 mm Hub Diameter (HD): 60.3
Part Number: P-H-019-508FF-SB-N-0191U Inch Timing Pulleys - 19 x 50.8 mm x 19.05 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $216.50 AUD Regular price Sale price $216.50 AUD Unit price per Each View the product page first if you are unsure ->
19	50.80 mm	19.050 mm	Unfinished
Material: Steel - Black Oxide Locking Type: None Type: 2 Pitch Dia. (PD): 76.77 mm Flange Diameter (FD): 82.7 mm Overall Length: 77.0 mm Hub Diameter (HD): 60.3
Part Number: P-H-019-508FF-SB-N-0191U Inch Timing Pulleys - 19 x 50.8 mm x 19.05 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $216.50 AUD Regular price Sale price $216.50 AUD Unit price per Each View the product page first if you are unsure.
P-H-019-508FF-SB-N-0191U --- Inch Timing Pulleys - 19 x 50.8 mm x 19.05 mm Steel - Black Oxide P-H-019-508FF-SB-N-0191U --- Inch Timing Pulleys - 19 x 50.8 mm x 19.05 mm Steel - Black Oxide Regular price $216.50 AUD Regular price Sale price $216.50 AUD Unit price per Out of stock! Backorder Now
20	50.80 mm	19.050 mm	Unfinished	None
Material: Cast Iron Type: 2 Pitch Dia. (PD): 80.81 mm Flange Diameter (FD): 86.9 mm Overall Length: 80.2 mm Hub Diameter (HD): 63.5
Part Number: P-H-020-508FF-CB-N-0191U Inch Timing Pulleys - 20 x 50.8 mm x 19.05 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $236.23 AUD Regular price Sale price $236.23 AUD Unit price per Each View the product page first if you are unsure ->
20	50.80 mm	19.050 mm	Unfinished
Material: Cast Iron Locking Type: None Type: 2 Pitch Dia. (PD): 80.81 mm Flange Diameter (FD): 86.9 mm Overall Length: 80.2 mm Hub Diameter (HD): 63.5
Part Number: P-H-020-508FF-CB-N-0191U Inch Timing Pulleys - 20 x 50.8 mm x 19.05 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $236.23 AUD Regular price Sale price $236.23 AUD Unit price per Each View the product page first if you are unsure.
P-H-020-508FF-CB-N-0191U --- Inch Timing Pulleys - 20 x 50.8 mm x 19.05 mm Cast Iron P-H-020-508FF-CB-N-0191U --- Inch Timing Pulleys - 20 x 50.8 mm x 19.05 mm Cast Iron Regular price $236.23 AUD Regular price Sale price $236.23 AUD Unit price per Out of stock! Backorder Now
21	50.80 mm	25.400 mm	Unfinished	None
Material: Cast Iron Type: 2 Pitch Dia. (PD): 84.86 mm Flange Diameter (FD): 90.8 mm Overall Length: 80.2 mm Hub Diameter (HD): 66.7
Part Number: P-H-021-508FF-CB-N-0254U Inch Timing Pulleys - 21 x 50.8 mm x 25.4 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $257.41 AUD Regular price Sale price $257.41 AUD Unit price per Each View the product page first if you are unsure ->
21	50.80 mm	25.400 mm	Unfinished
Material: Cast Iron Locking Type: None Type: 2 Pitch Dia. (PD): 84.86 mm Flange Diameter (FD): 90.8 mm Overall Length: 80.2 mm Hub Diameter (HD): 66.7
Part Number: P-H-021-508FF-CB-N-0254U Inch Timing Pulleys - 21 x 50.8 mm x 25.4 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $257.41 AUD Regular price Sale price $257.41 AUD Unit price per Each View the product page first if you are unsure.
P-H-021-508FF-CB-N-0254U --- Inch Timing Pulleys - 21 x 50.8 mm x 25.4 mm Cast Iron P-H-021-508FF-CB-N-0254U --- Inch Timing Pulleys - 21 x 50.8 mm x 25.4 mm Cast Iron Regular price $257.41 AUD Regular price Sale price $257.41 AUD Unit price per Out of stock! Backorder Now
22	50.80 mm	25.400 mm	Unfinished	None
Material: Cast Iron Type: 2 Pitch Dia. (PD): 88.90 mm Flange Diameter (FD): 94.9 mm Overall Length: 83.3 mm Hub Diameter (HD): 69.9
Part Number: P-H-022-508FF-CB-N-0254U Inch Timing Pulleys - 22 x 50.8 mm x 25.4 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $283.95 AUD Regular price Sale price $283.95 AUD Unit price per Each View the product page first if you are unsure ->
22	50.80 mm	25.400 mm	Unfinished
Material: Cast Iron Locking Type: None Type: 2 Pitch Dia. (PD): 88.90 mm Flange Diameter (FD): 94.9 mm Overall Length: 83.3 mm Hub Diameter (HD): 69.9
Part Number: P-H-022-508FF-CB-N-0254U Inch Timing Pulleys - 22 x 50.8 mm x 25.4 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $283.95 AUD Regular price Sale price $283.95 AUD Unit price per Each View the product page first if you are unsure.
P-H-022-508FF-CB-N-0254U --- Inch Timing Pulleys - 22 x 50.8 mm x 25.4 mm Cast Iron P-H-022-508FF-CB-N-0254U --- Inch Timing Pulleys - 22 x 50.8 mm x 25.4 mm Cast Iron Regular price $283.95 AUD Regular price Sale price $283.95 AUD Unit price per Out of stock! Backorder Now
24	50.80 mm	25.400 mm	Unfinished	None
Material: Cast Iron Type: 2 Pitch Dia. (PD): 96.98 mm Flange Diameter (FD): 102.9 mm Overall Length: 83.3 mm Hub Diameter (HD): 76.2
Part Number: P-H-024-508FF-CB-N-0254U Inch Timing Pulleys - 24 x 50.8 mm x 25.4 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $321.50 AUD Regular price Sale price $321.50 AUD Unit price per Each View the product page first if you are unsure ->
24	50.80 mm	25.400 mm	Unfinished
Material: Cast Iron Locking Type: None Type: 2 Pitch Dia. (PD): 96.98 mm Flange Diameter (FD): 102.9 mm Overall Length: 83.3 mm Hub Diameter (HD): 76.2
Part Number: P-H-024-508FF-CB-N-0254U Inch Timing Pulleys - 24 x 50.8 mm x 25.4 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $321.50 AUD Regular price Sale price $321.50 AUD Unit price per Each View the product page first if you are unsure.
P-H-024-508FF-CB-N-0254U --- Inch Timing Pulleys - 24 x 50.8 mm x 25.4 mm Cast Iron P-H-024-508FF-CB-N-0254U --- Inch Timing Pulleys - 24 x 50.8 mm x 25.4 mm Cast Iron Regular price $321.50 AUD Regular price Sale price $321.50 AUD Unit price per Out of stock! Backorder Now
26	50.80 mm	25.400 mm	Unfinished	None
Material: Cast Iron Type: 2 Pitch Dia. (PD): 105.06 mm Flange Diameter (FD): 111.0 mm Overall Length: 86.5 mm Hub Diameter (HD): 85.7
Part Number: P-H-026-508FF-CB-N-0254U Inch Timing Pulleys - 26 x 50.8 mm x 25.4 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $378.68 AUD Regular price Sale price $378.68 AUD Unit price per Each View the product page first if you are unsure ->
26	50.80 mm	25.400 mm	Unfinished
Material: Cast Iron Locking Type: None Type: 2 Pitch Dia. (PD): 105.06 mm Flange Diameter (FD): 111.0 mm Overall Length: 86.5 mm Hub Diameter (HD): 85.7
Part Number: P-H-026-508FF-CB-N-0254U Inch Timing Pulleys - 26 x 50.8 mm x 25.4 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $378.68 AUD Regular price Sale price $378.68 AUD Unit price per Each View the product page first if you are unsure.
P-H-026-508FF-CB-N-0254U --- Inch Timing Pulleys - 26 x 50.8 mm x 25.4 mm Cast Iron P-H-026-508FF-CB-N-0254U --- Inch Timing Pulleys - 26 x 50.8 mm x 25.4 mm Cast Iron Regular price $378.68 AUD Regular price Sale price $378.68 AUD Unit price per Out of stock! Backorder Now
28	50.80 mm	25.400 mm	Unfinished	None
Material: Cast Iron Type: 2 Pitch Dia. (PD): 113.14 mm Flange Diameter (FD): 119.1 mm Overall Length: 86.5 mm Hub Diameter (HD): 88.9
Part Number: P-H-028-508FF-CB-N-0254U Inch Timing Pulleys - 28 x 50.8 mm x 25.4 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $422.14 AUD Regular price Sale price $422.14 AUD Unit price per Each View the product page first if you are unsure ->
28	50.80 mm	25.400 mm	Unfinished
Material: Cast Iron Locking Type: None Type: 2 Pitch Dia. (PD): 113.14 mm Flange Diameter (FD): 119.1 mm Overall Length: 86.5 mm Hub Diameter (HD): 88.9
Part Number: P-H-028-508FF-CB-N-0254U Inch Timing Pulleys - 28 x 50.8 mm x 25.4 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $422.14 AUD Regular price Sale price $422.14 AUD Unit price per Each View the product page first if you are unsure.
P-H-028-508FF-CB-N-0254U --- Inch Timing Pulleys - 28 x 50.8 mm x 25.4 mm Cast Iron P-H-028-508FF-CB-N-0254U --- Inch Timing Pulleys - 28 x 50.8 mm x 25.4 mm Cast Iron Regular price $422.14 AUD Regular price Sale price $422.14 AUD Unit price per Out of stock! Backorder Now
30	50.80 mm	25.400 mm	Unfinished	None
Material: Cast Iron Type: 2 Pitch Dia. (PD): 121.22 mm Flange Diameter (FD): 127.1 mm Overall Length: 86.5 mm Hub Diameter (HD): 92.1
Part Number: P-H-030-508FF-CB-N-0254U Inch Timing Pulleys - 30 x 50.8 mm x 25.4 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $462.23 AUD Regular price Sale price $462.23 AUD Unit price per Each View the product page first if you are unsure ->
30	50.80 mm	25.400 mm	Unfinished
Material: Cast Iron Locking Type: None Type: 2 Pitch Dia. (PD): 121.22 mm Flange Diameter (FD): 127.1 mm Overall Length: 86.5 mm Hub Diameter (HD): 92.1
Part Number: P-H-030-508FF-CB-N-0254U Inch Timing Pulleys - 30 x 50.8 mm x 25.4 mm Out of Stock \| Backorder Now \| Backorders for more can be expected around Tue, Mar 04, 2025 Regular price $462.23 AUD Regular price Sale price $462.23 AUD Unit price per Each View the product page first if you are unsure.
P-H-030-508FF-CB-N-0254U --- Inch Timing Pulleys - 30 x 50.8 mm x 25.4 mm Cast Iron P-H-030-508FF-CB-N-0254U --- Inch Timing Pulleys - 30 x 50.8 mm x 25.4 mm Cast Iron Regular price $462.23 AUD Regular price Sale price $462.23 AUD Unit price per Out of stock! Backorder Now

Collection: Pulleys - Inch Timing - 12.700mm Pitch H - 50.8mm Wide - Through Bore

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P-H-014-508FF-SB-N-0191U --- Inch Timing Pulleys - 14 x 50.8 mm x 19.05 mm
Steel - Black Oxide

P-H-014-508FF-SB-N-0191U --- Inch Timing Pulleys - 14 x 50.8 mm x 19.05 mm
Steel - Black Oxide

P-H-016-508FF-SB-N-0191U --- Inch Timing Pulleys - 16 x 50.8 mm x 19.05 mm
Steel - Black Oxide

P-H-016-508FF-SB-N-0191U --- Inch Timing Pulleys - 16 x 50.8 mm x 19.05 mm
Steel - Black Oxide

P-H-017-508FF-SB-N-0191U --- Inch Timing Pulleys - 17 x 50.8 mm x 19.05 mm
Steel - Black Oxide

P-H-017-508FF-SB-N-0191U --- Inch Timing Pulleys - 17 x 50.8 mm x 19.05 mm
Steel - Black Oxide

P-H-018-508FF-SB-N-0191U --- Inch Timing Pulleys - 18 x 50.8 mm x 19.05 mm
Steel - Black Oxide

P-H-018-508FF-SB-N-0191U --- Inch Timing Pulleys - 18 x 50.8 mm x 19.05 mm
Steel - Black Oxide

P-H-019-508FF-SB-N-0191U --- Inch Timing Pulleys - 19 x 50.8 mm x 19.05 mm
Steel - Black Oxide

P-H-019-508FF-SB-N-0191U --- Inch Timing Pulleys - 19 x 50.8 mm x 19.05 mm
Steel - Black Oxide

P-H-020-508FF-CB-N-0191U --- Inch Timing Pulleys - 20 x 50.8 mm x 19.05 mm
Cast Iron

P-H-020-508FF-CB-N-0191U --- Inch Timing Pulleys - 20 x 50.8 mm x 19.05 mm
Cast Iron

P-H-021-508FF-CB-N-0254U --- Inch Timing Pulleys - 21 x 50.8 mm x 25.4 mm
Cast Iron

P-H-021-508FF-CB-N-0254U --- Inch Timing Pulleys - 21 x 50.8 mm x 25.4 mm
Cast Iron

P-H-022-508FF-CB-N-0254U --- Inch Timing Pulleys - 22 x 50.8 mm x 25.4 mm
Cast Iron

P-H-022-508FF-CB-N-0254U --- Inch Timing Pulleys - 22 x 50.8 mm x 25.4 mm
Cast Iron

P-H-024-508FF-CB-N-0254U --- Inch Timing Pulleys - 24 x 50.8 mm x 25.4 mm
Cast Iron

P-H-024-508FF-CB-N-0254U --- Inch Timing Pulleys - 24 x 50.8 mm x 25.4 mm
Cast Iron

P-H-026-508FF-CB-N-0254U --- Inch Timing Pulleys - 26 x 50.8 mm x 25.4 mm
Cast Iron

P-H-026-508FF-CB-N-0254U --- Inch Timing Pulleys - 26 x 50.8 mm x 25.4 mm
Cast Iron

P-H-028-508FF-CB-N-0254U --- Inch Timing Pulleys - 28 x 50.8 mm x 25.4 mm
Cast Iron

P-H-028-508FF-CB-N-0254U --- Inch Timing Pulleys - 28 x 50.8 mm x 25.4 mm
Cast Iron

P-H-030-508FF-CB-N-0254U --- Inch Timing Pulleys - 30 x 50.8 mm x 25.4 mm
Cast Iron

P-H-030-508FF-CB-N-0254U --- Inch Timing Pulleys - 30 x 50.8 mm x 25.4 mm
Cast Iron

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Collection: Pulleys - Inch Timing - 12.700mm Pitch H - 50.8mm Wide - Through Bore

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