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SKU: HTDPB488M85
HTD Timing Belt Pulleys
48-8M-85 HTD PULLEY PILOT BORE
£52.80
ex. VAT · £63.36 inc. VAT
JS9 Tight Fit Anti-Roll
H7 Precision Transition Fit
ISO 9001 Quality Assured
Technical Specifications
Number of Teeth
48
Pitch (mm)
8
Belt Width (mm)
85
Bore Type
Pilot Bore (Pre-bored)
Pitch Diameter (mm)
122.23
Outside Diameter (mm)
120.86
Face Width (mm)
95
Stock Pilot Bore (mm)
15
Max Re-Bore Diameter (mm)
65
Weight
7.2kg
Dimensions (L × W × H)
11.1 × 11.1 × 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 | HTDPB488M85 | Aroflex part number |
| Number of Teeth | 48 | |
| Pitch (mm) | 8 | |
| Belt Width (mm) | 85 | |
| Bore Type | Pilot Bore (Pre-bored) | |
| Pitch Diameter (mm) | 122.23 | |
| Outside Diameter (mm) | 120.86 | |
| Face Width (mm) | 95 | |
| Stock Pilot Bore (mm) | 15 | |
| Max Re-Bore Diameter (mm) | 65 | |
| Weight | 7.2 kg | |
| Dimensions | 11.1 × 11.1 × 9.5 cm | Overall envelope |
| Bore Tolerance | H7 | Precision transition fit |
| Certification | ISO 9001:2015 | Quality assured |
48-8M-85 HTD Timing Pulley [Pilot Bore Variant]
The 48-8M-85 HTD Timing Pulley delivers robust mechanical tracking under heavy operational loads. Its 48 teeth track an 8mm pitch curvilinear configuration to spread power evenly along wide 85mm timing belts, avoiding early belt wear. Provided in a pilot-bored style, it allows you to configure internal tolerances precisely at your facility.
Product Features & Specifications
- Tooth Configuration: 48 precision-machined synchronous HTD teeth.
- Pitch & Belt Width: 8mm high-torque drive profile engineered for 85mm wide timing belts.
- Bore Status: Unfinished Pilot Bore center layout to facilitate specialized post-purchase reaming.
- Industrial Build Quality: Crafted using high-grade structural Cast Iron (GG) or 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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