SKU: RB400PH RB Hubs / Flanges

RB.400 Pin Half Hub, Pilot Bore (Pilot Bore)

£913.05

ex. VAT£1,095.66 inc. VAT
JS9 Tight Fit Anti-Roll H7 Precision Transition Fit ISO 9001 Quality Assured
In Stock — Dispatches within 24 hours. Bulk orders (10+) available — call for lead time.
Technical Specifications
Rated Torque (Nm)
12051
kW Rating at 100rpm
126.2
Maximum Speed rpm
1700
Minimum Bore (mm)
75
Max. Bore ød1 (mm)
160
Max. Bore ød2 (mm)
160
ø A (mm)
400
ø D1 (mm)
230
ø D2 (mm)
230
E (mm)
160
C (mm)
4-12
Moment of Inertia kg.m²
1.7
Max. Misalignment Angular
1
Max. Misalignment parallel
1.1
Max. Misalignment Axial
4
No. of holes
10
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
ParameterValueNotes
SKU RB400PH Aroflex part number
Rated Torque (Nm) 12051
kW Rating at 100rpm 126.2
Maximum Speed rpm 1700
Minimum Bore (mm) 75
Max. Bore ød1 (mm) 160
Max. Bore ød2 (mm) 160
ø A (mm) 400
ø D1 (mm) 230
ø D2 (mm) 230
E (mm) 160
C (mm) 4-12
Moment of Inertia kg.m² 1.7
Max. Misalignment Angular 1
Max. Misalignment parallel 1.1
Max. Misalignment Axial 4
No. of holes 10
Weight 30 kg
Certification ISO 9001:2015 Quality assured

RB.400 Pin Half Hub (Pilot Bore)

The RB.400 Pin Half Hub is an essential component of the RB.400 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.400 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.
RB Coupling Diagram
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H Cunningham
18 February 2025
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Very helpful, friendly staff.
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P Wâtëŕs
16 August 2023
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Excellent service and customer support. Professional staff. And really informative.
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T hall
29 November 2021
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Very helpful company....above 5 star rated.
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B Kennedy profile picture
B Kennedy
16 November 2020
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Very very helpful a pleasure to deal with you
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D Birch
25 October 2020
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Everytime ive been here they have had what i needed, and good prices, so all good with me

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