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SKU: HTDPB308M20
HTD Timing Belt Pulleys
30-8M-20 HTD PULLEY PILOT BORE
£12.18
ex. VAT · £14.62 inc. VAT
JS9 Tight Fit Anti-Roll
H7 Precision Transition Fit
ISO 9001 Quality Assured
Technical Specifications
Number of Teeth
30
Pitch (mm)
8
Belt Width (mm)
20
Bore Type
Pilot Bore
Pitch Diameter (mm)
76.39
Outside Diameter (mm)
75.02
Face Width (mm)
28
Min Bore (mm)
15
Max Bore (mm)
60
Weight
0.65kg
Dimensions (L × W × H)
7.5 × 7.5 × 2.8 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 | HTDPB308M20 | Aroflex part number |
| Number of Teeth | 30 | |
| Pitch (mm) | 8 | |
| Belt Width (mm) | 20 | |
| Bore Type | Pilot Bore | |
| Pitch Diameter (mm) | 76.39 | |
| Outside Diameter (mm) | 75.02 | |
| Face Width (mm) | 28 | |
| Min Bore (mm) | 15 | |
| Max Bore (mm) | 60 | |
| Weight | 0.65 kg | |
| Dimensions | 7.5 × 7.5 × 2.8 cm | Overall envelope |
| Bore Tolerance | H7 | Precision transition fit |
| Certification | ISO 9001:2015 | Quality assured |
30-8M-20 HTD Pilot Bore Timing Pulley
The intermediate-sized 30-8M-20 HTD Timing Pulley brings reliable, positive mechanical advantage to synchronous gear sets. Utilizing 30 deeply profiles teeth spaced at an 8mm pitch, it couples tightly with 20mm wide timing belts to suppress operational noise and vibration. The plain stock pilot bore center layout provides complete machine-shop freedom to meet customized shaft parameters.
Product Features & Specifications
- Tooth Configuration: 30 precision-machined heavy-duty HTD teeth.
- Pitch & Belt Width: 8mm large pitch profile engineered specifically for 20mm wide timing belts.
- Bore Status: Unmachined Pilot Bore center hub layout, letting you drill custom mounting constraints.
- Industrial Build Quality: Fabricated using robust Cast Iron (GG) or premium Steel (St).
- 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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