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SKU: HTDPB308M85
HTD Timing Belt Pulleys
30-8M-85 HTD PULLEY PILOT BORE
£29.83
ex. VAT · £35.80 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)
85
Bore Type
Pilot Bore
Pitch Diameter (mm)
76.39
Outside Diameter (mm)
75.02
Face Width (mm)
93
Min Bore (mm)
15
Max Bore (mm)
60
Weight
3kg
Dimensions (L × W × H)
7.5 × 7.5 × 9.5 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 | HTDPB308M85 | Aroflex part number |
| Number of Teeth | 30 | |
| Pitch (mm) | 8 | |
| Belt Width (mm) | 85 | |
| Bore Type | Pilot Bore | |
| Pitch Diameter (mm) | 76.39 | |
| Outside Diameter (mm) | 75.02 | |
| Face Width (mm) | 93 | |
| Min Bore (mm) | 15 | |
| Max Bore (mm) | 60 | |
| Weight | 3 kg | |
| Dimensions | 7.5 × 7.5 × 9.5 cm | Overall envelope |
| Bore Tolerance | H7 | Precision transition fit |
| Certification | ISO 9001:2015 | Quality assured |
30-8M-85 HTD Pilot Bore Timing Pulley
The heavy-duty 30-8M-85 HTD Timing Pulley is engineered to manage elevated industrial torque limits within custom powertrains. Driving extra-wide 85mm synchronous timing belts along an aggressive 8mm curvilinear track, it safeguards components from high shock spikes. The center hub comes in a blank pilot bore format, ready for targeted custom reaming or set-screw drilling.
Product Features & Specifications
- Tooth Configuration: 30 precision-machined heavy-duty teeth.
- Pitch & Belt Width: 8mm large industrial pitch dimensioned specifically for 85mm wide timing belts.
- Bore Status: Unmachined stock hub layout, letting you drill custom mounting constraints.
- Industrial Materials: Fabricated using premium Steel (St) or structural Cast Iron (GG) to handle severe environments.
- 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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