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SKU: NPX-250-4
NPX Pilot Bored Hubs Part 4 (Type B)
NPX 250 Part 4 Pilot Bore Hub (Type B)
£140.30
ex. VAT · £168.36 inc. VAT
JS9 Tight Fit Anti-Roll
H7 Precision Transition Fit
ISO 9001 Quality Assured
Technical Specifications
Power at 100 rev/min kW
29.32
Rated Torque Nm
2800
Max Torque Nm
8400
Max Speed rev/min
2750
Max Bore d2 (mm)
100
D1 (mm)
18
L2 (mm)
100
C (mm)
60
E (mm)
3-8
Weight Part 4 (kg)
19.5
Weight
19.5kg
Dimensions (L × W × H)
25 × 25 × 10 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 | NPX-250-4 | Aroflex part number |
| Power at 100 rev/min kW | 29.32 | |
| Rated Torque Nm | 2800 | |
| Max Torque Nm | 8400 | |
| Max Speed rev/min | 2750 | |
| Max Bore d2 (mm) | 100 | |
| D1 (mm) | 18 | |
| L2 (mm) | 100 | |
| C (mm) | 60 | |
| E (mm) | 3-8 | |
| Weight Part 4 (kg) | 19.5 | |
| Weight | 19.5 kg | |
| Dimensions | 25 × 25 × 10 cm | Overall envelope |
| Bore Tolerance | H7 | Precision transition fit |
| Material | Steel / Friction disc | Standard construction |
| Certification | ISO 9001:2015 | Quality assured |
NPX 250 Part 4 Pilot Bore Hub (Type B)
The NPX 250 Part 4 Pilot Bore Hub is an essential mating component within the Type B flexible coupling family, engineered to provide precise shaft engagement and high torsional stability. This Part 4 component is delivered as a pilot bore hub, offering engineers and maintenance professionals the ultimate flexibility to custom-bore and key the unit to match exact application requirements. Manufactured from high-grade materials, it works seamlessly with the flexible element to absorb misalignments and protect your drivetrain machinery.
Key Features
- Pilot Bore Flexibility: Supplied unbored to allow for precision custom machining, finish boring, and custom keyway installation.
- Robust Type B Compatibility: Engineered to pair perfectly with Part 1 hubs and elastomeric elements for rugged power transmission demands.
- Shock & Vibration Control: Interlocking jaw geometry dampens sudden torque spikes and reduces mechanical stress.
- Durable Construction: High-tensile material properties ensure excellent wear resistance and long operational lifespans under heavy load conditions.
Technical Specifications & Dimensions
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