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SKU: HTDPB2814M55
HTD Timing Belt Pulleys
28-14M-55 HTD PULLEY PILOT BORE
£54.41
ex. VAT · £65.29 inc. VAT
JS9 Tight Fit Anti-Roll
H7 Precision Transition Fit
ISO 9001 Quality Assured
Technical Specifications
Number of Teeth
28
Pitch (mm)
14
Belt Width (mm)
55
Bore Type
Pilot Bore (Pre-bored)
Pitch Diameter (mm)
124.78
Outside Diameter (mm)
121.99
Face Width (mm)
70
Stock Pilot Bore (mm)
24
Max Re-Bore Diameter (mm)
75
Weight
2.8kg
Dimensions (L × W × H)
12.2 × 12.2 × 7 cm
Overall envelope
Standards & Fit
JS9
JS9 Keyway
Tight fit anti-roll standard
H7
Precision Transition Fit
Precision bore fit
ISO
ISO 9001:2015
Quality Assured
| Parameter | Value | Notes |
|---|---|---|
| SKU | HTDPB2814M55 | Aroflex part number |
| Number of Teeth | 28 | |
| Pitch (mm) | 14 | |
| Belt Width (mm) | 55 | |
| Bore Type | Pilot Bore (Pre-bored) | |
| Pitch Diameter (mm) | 124.78 | |
| Outside Diameter (mm) | 121.99 | |
| Face Width (mm) | 70 | |
| Stock Pilot Bore (mm) | 24 | |
| Max Re-Bore Diameter (mm) | 75 | |
| Weight | 2.8 kg | |
| Dimensions | 12.2 × 12.2 × 7 cm | Overall envelope |
| Bore Tolerance | H7 | Precision transition fit |
| Certification | ISO 9001:2015 | Quality assured |
28-14M-55 HTD Pilot Bore Timing Pulley
The compact 28-14M-55 HTD Timing Pulley is engineered to deliver high-torque power transmission within compact machine footprints. Utilizing an ultra-deep 14mm curvilinear pitch profile to drive 55mm wide timing belts, it resists tooth jump or ratcheting during extreme shock startups. Supplied as an unfinished pilot bore blank, this solid metal pulley allows engineering shops to customize the center hub precisely to non-standard shaft tolerances.
Product Features & Specifications
- Tooth Configuration: 28 heavy-duty industrial teeth.
- Pitch & Belt Width: Deep 14mm pitch optimized for high-load 55mm wide synchronous timing belts.
- Bore Adaptability: Solid unmachined center hub with a minimal guide hole for custom reaming and keying.
- Industrial Build Quality: Rigidly formed using solid Steel (St) to maintain structural reliability.
- 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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