SKU: HTDPB225M25
HTD Timing Belt Pulleys
22-5M-25 HTD PULLEY PILOT BORE
£4.12
ex. VAT · £4.94 inc. VAT
JS9 Tight Fit Anti-Roll
H7 Precision Transition Fit
ISO 9001 Quality Assured
Technical Specifications
Number of Teeth
22
Pitch (mm)
5
Belt Width (mm)
25
Bore Type
Pilot Bore
Pitch Diameter (mm)
35.01
Outside Diameter (mm)
33.87
Face Width (mm)
32
Min Bore (mm)
6
Max Bore (mm)
25
Weight
0.21kg
Dimensions (L × W × H)
3.4 × 3.4 × 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 | HTDPB225M25 | Aroflex part number |
| Number of Teeth | 22 | |
| Pitch (mm) | 5 | |
| Belt Width (mm) | 25 | |
| Bore Type | Pilot Bore | |
| Pitch Diameter (mm) | 35.01 | |
| Outside Diameter (mm) | 33.87 | |
| Face Width (mm) | 32 | |
| Min Bore (mm) | 6 | |
| Max Bore (mm) | 25 | |
| Weight | 0.21 kg | |
| Dimensions | 3.4 × 3.4 × 3.8 cm | Overall envelope |
| Bore Tolerance | H7 | Precision transition fit |
| Certification | ISO 9001:2015 | Quality assured |
22-5M-25 HTD Pilot Bore Timing Pulley
The flanged 22-5M-25 HTD Timing Pulley is engineered to deliver precise, high-ratio reductions in synchronous drive loops. With 22 deeply profiles teeth spaced at a 5mm curvilinear pitch, it matches seamlessly with 25mm wide synchronous belts to prevent jumping. Arriving as an unmachined pilot bore blank, it provides complete machine shop freedom to create custom keyways.
Product Features & Specifications
- Tooth Configuration: 22 precision-machined heavy-duty HTD teeth.
- Pitch & Belt Width: 5mm heavy pitch profile designed specifically for 25mm wide timing belts.
- Bore Status: Unmachined Pilot Bore center hub layout, letting you drill custom mounting constraints.
- Industrial Construction: Crafted from structural grade Cast Iron (GG), Steel (St), or rigid Aluminum UNI 9006 – T6 (Al).
- Boring & Keying Readiness: Provided in standard raw stock configuration. Tailor the internal bore sizes directly to your shafts via our In-House Machining Services.
🚚 Free UK delivery over £150
🔒 SSL secure checkout
🌍 Global shipping available
Testimonials
What our customers say.
See what our customers have to say about our products and services
Related Products
Other items in this range you may be interested in

