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SKU: HTDPB288M30
HTD Timing Belt Pulleys
28-8M-30 HTD PULLEY PILOT BORE
£13.11
ex. VAT · £15.73 inc. VAT
JS9 Tight Fit Anti-Roll
H7 Precision Transition Fit
ISO 9001 Quality Assured
Technical Specifications
Number of Teeth
28
Pitch (mm)
8
Belt Width (mm)
30
Bore Type
Pilot Bore
Pitch Diameter (mm)
71.3
Outside Diameter (mm)
69.93
Face Width (mm)
38
Min Bore (mm)
12
Max Bore (mm)
35
Weight
1.12kg
Dimensions (L × W × H)
7 × 7 × 3.8 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 | HTDPB288M30 | Aroflex part number |
| Number of Teeth | 28 | |
| Pitch (mm) | 8 | |
| Belt Width (mm) | 30 | |
| Bore Type | Pilot Bore | |
| Pitch Diameter (mm) | 71.3 | |
| Outside Diameter (mm) | 69.93 | |
| Face Width (mm) | 38 | |
| Min Bore (mm) | 12 | |
| Max Bore (mm) | 35 | |
| Weight | 1.12 kg | |
| Dimensions | 7 × 7 × 3.8 cm | Overall envelope |
| Bore Tolerance | H7 | Precision transition fit |
| Certification | ISO 9001:2015 | Quality assured |
28-8M-30 HTD Pilot Bore Timing Pulley
The flanged 28-8M-30 HTD Pilot Bore Timing Pulley offers premium positive-drive precision with comprehensive unmachined hub flexibility. Spreading extensive mechanical loads smoothly across wide 30mm timing belts via an ultra-deep 8mm pitch profile, it protects gear sets from premature operational friction. The raw stock pilot bore center hole offers the ideal foundation for custom lathe work.
Product Features & Specifications
- Tooth Configuration: 28 heavy-duty synchronous teeth.
- Pitch & Belt Width: Deep 8mm pitch profile designed specifically for 30mm wide timing belts.
- Bore Status: Unfinished Pilot Bore center layout to facilitate specialized post-purchase reaming.
- Industrial Materials: Built with high-strength Steel (St) or durable 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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