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Workshop Add Bore & Keyway Service

+ £0.00 (£0.00 each)

Order total (product + machining): £82.72

Price varies by bore size and Bore Qty (per machined hub).

Bore size (Hub 1)

Bore size (Hub 2)

Bore Qty (machined items)

Max equals product quantity.

Please Confirm any Additional Machining Details Required (optional)

Keyway size (optional)

Price Breakdown

Up to 25mm (0.984") – (£15)
Up to 40mm (1.575") – (£20)
Up to 60mm (2.362") – (£30)
Over 60mm (2.362"+) – (£45)

Quantity Discount Breakdown

1 to 5 items: No discount
6 to 9 items: 10% off
10 to 19 items: 15% off
20 to 49 items: 20% off
50 to 99 items: 25% off
100+ items: 30% off

SKU: HTDTL728M50 HTD Timing Belt Pulleys

72-8M-50 HTD PULLEY TL 2517

Name: 72-8M-50 HTD Pulley TL 2517 | UK Stock | Arrow Engineering
SKU: HTDTL728M50
Price: 82.72 GBP
Availability: InStock

£82.72

ex. VAT · £99.26 inc. VAT

JS9 Tight Fit Anti-Roll H7 Precision Transition Fit ISO 9001 Quality Assured

In Stock — Dispatches within 24 hours. Bulk orders (10+) available — call for lead time.

Technical Specifications

Number of Teeth

Pitch (mm)

Belt Width (mm)

Taper Lock Bushing

2517

Pitch Diameter (mm)

183.35

Outside Diameter (mm)

181.98

Face Width (mm)

Min Bore (mm)

Max Bore (mm)

Weight

5.55kg

Dimensions (L × W × H)

16.2 × 16.2 × 6 cm

Overall envelope

Standards & Fit

JS9

JS9 Keyway Tight fit anti-roll standard

Precision Transition Fit Precision bore fit

ISO

ISO 9001:2015 Quality Assured

Parameter	Value	Notes
SKU	HTDTL728M50	Aroflex part number
Number of Teeth	72
Pitch (mm)	8
Belt Width (mm)	50
Taper Lock Bushing	2517
Pitch Diameter (mm)	183.35
Outside Diameter (mm)	181.98
Face Width (mm)	60
Min Bore (mm)	16
Max Bore (mm)	60
Weight	5.55 kg
Dimensions	16.2 × 16.2 × 6 cm	Overall envelope
Bore Tolerance	H7	Precision transition fit
Certification	ISO 9001:2015	Quality assured

72-8M-50 HTD Timing Pulley c/w TL 2517 Taper Lock Bush Bore

The 72-8M-50 HTD Timing Pulley delivers high mechanical reduction ratios and stable synchronous power distribution. Designed to drive 50mm wide timing belts across its 8mm curvilinear teeth, it minimizes friction and optimizes torque transfer. It features a center hub configured for a standard TL 2517 Taper Lock locking bush.

Product Features & Specifications

Tooth Configuration: 72 precision-machined HTD teeth.
Pitch & Belt Width: 8mm pitch designed for 50mm timing belts.
Shaft Mounting System: Designed for standard TL 2517 Taper Lock interlocking bushes.
Industrial Build Quality: Built with premium Steel (St) or high-grade Cast Iron (GG).
Boring & Keying Readiness: Provided in standard raw stock configuration. Tailor the internal bore sizes directly to your shafts via our In-House Machining Services.

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      EXCELLENT  
   Based on 15 reviews 
    
 
 
 
   
 
 
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   H Cunningham 
 18 February 2025
 
 
 Trustindex verifies that the original source of the review is Google. Very helpful, friendly staff.
  
 
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   P Wâtëŕs 
 16 August 2023
 
 
 Trustindex verifies that the original source of the review is Google. Excellent service and customer support.  Professional staff. And really informative.
  
 
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   T hall 
 29 November 2021
 
 
 Trustindex verifies that the original source of the review is Google. Very helpful company....above 5 star rated.
  
 
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   B Kennedy 
 16 November 2020
 
 
 Trustindex verifies that the original source of the review is Google. Very very helpful a pleasure to deal with you
  
 
      Posted on Google  
   
   D Birch 
 25 October 2020
 
 
 Trustindex verifies that the original source of the review is Google. Everytime ive been here they have had what i needed, and good prices, so all good with me