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SKU: RB228PH
RB Hubs / Flanges
RB.228 Pin Half Hub Pilot Bore (Pilot Bore)
£209.84
ex. VAT · £251.81 inc. VAT
JS9 Tight Fit Anti-Roll
H7 Precision Transition Fit
ISO 9001 Quality Assured
Technical Specifications
Rated Torque (Nm)
2050
kW Rating at 100rpm
21.47
Maximum Speed rpm
3000
Minimum Bore (mm)
28
Max. Bore ød1 (mm)
90
Max. Bore ød2 (mm)
100
ø A (mm)
228
ø D1 (mm)
133
ø D2 (mm)
146
E (mm)
90
C (mm)
4-10
Moment of Inertia kg.m²
0.1
Max. Misalignment Angular
1
Max. Misalignment parallel
0.6
Max. Misalignment Axial
3
No. of holes
11
Weight
30kg
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 | RB228PH | Aroflex part number |
| Rated Torque (Nm) | 2050 | |
| kW Rating at 100rpm | 21.47 | |
| Maximum Speed rpm | 3000 | |
| Minimum Bore (mm) | 28 | |
| Max. Bore ød1 (mm) | 90 | |
| Max. Bore ød2 (mm) | 100 | |
| ø A (mm) | 228 | |
| ø D1 (mm) | 133 | |
| ø D2 (mm) | 146 | |
| E (mm) | 90 | |
| C (mm) | 4-10 | |
| Moment of Inertia kg.m² | 0.1 | |
| Max. Misalignment Angular | 1 | |
| Max. Misalignment parallel | 0.6 | |
| Max. Misalignment Axial | 3 | |
| No. of holes | 11 | |
| Weight | 30 kg | |
| Bore Tolerance | H7 | Precision transition fit |
| Material | Steel / Friction disc | Standard construction |
| Certification | ISO 9001:2015 | Quality assured |
RB.228 Pin Half Hub (Pilot Bore)
The RB.228 Pin Half Hub is an essential component of the RB.228 flexible coupling system. Supplied as a standard pilot bore, it gives you the baseline flexibility to machine, bore, and key the unit to your exact shaft requirements. This high-tensile hub anchors the steel driving pins, working with elastomeric bushes to dampen vibrations and safeguard your drivetrain.
Product Features
- Model Size: RB.228 Configuration
- Bore Type: Pilot Bore for custom on-site finish machining.
- Fail-Safe Operation: Interlocking pin system prevents sudden torque transmission dropouts.
- Custom Machining: Available with custom boring and keying profiles tailored to your shaft requirements through our In-House Machining Services.
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