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SKU: HTDPB1688M85
HTD Timing Belt Pulleys
168-8M-85 HTD PULLEY PILOT BORE
£227.70
ex. VAT · £273.24 inc. VAT
JS9 Tight Fit Anti-Roll
H7 Precision Transition Fit
ISO 9001 Quality Assured
Technical Specifications
Number of Teeth
168
Pitch (mm)
8
Belt Width (mm)
85
Bore Type
Pilot Bore (Pre-bored)
Pitch Diameter (mm)
427.81
Outside Diameter (mm)
426.44
Face Width (mm)
95
Stock Pilot Bore (mm)
20
Max Re-Bore Diameter (mm)
110
Weight
24kg
Dimensions (L × W × H)
42.6 × 42.6 × 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 | HTDPB1688M85 | Aroflex part number |
| Number of Teeth | 168 | |
| Pitch (mm) | 8 | |
| Belt Width (mm) | 85 | |
| Bore Type | Pilot Bore (Pre-bored) | |
| Pitch Diameter (mm) | 427.81 | |
| Outside Diameter (mm) | 426.44 | |
| Face Width (mm) | 95 | |
| Stock Pilot Bore (mm) | 20 | |
| Max Re-Bore Diameter (mm) | 110 | |
| Weight | 24 kg | |
| Dimensions | 42.6 × 42.6 × 9.5 cm | Overall envelope |
| Bore Tolerance | H7 | Precision transition fit |
| Certification | ISO 9001:2015 | Quality assured |
168-8M-85 HTD Timing Pulley [Pilot Bore Variant]
The vast 168-8M-85 HTD Timing Pulley delivers high-capacity torque management and substantial speed reductions for heavy-duty industrial machinery. Its 168 deep curvilinear teeth offer vast contact surface engagement to stop belt jumping under continuous heavy strain alongside 85mm wide timing belts. It features an integrated plain pilot bore layout ready for customized machine shop alterations.
Product Features & Specifications
- Tooth Configuration: 168 precision-machined synchronous HTD teeth.
- Pitch & Belt Width: 8mm high-torque drive profile engineered for 85mm wide timing belts.
- Bore Status: Unbored stock hub with a small pilot hole to facilitate clean lathe centering.
- Industrial Build Quality: Built from premium wear-resistant 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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