In Stock

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Workshop Add Bore & Keyway Service

+ £0.00 (£0.00 each)

Order total (product + machining): £30.75

Price varies by bore size and Bore Qty (per machined hub).

Bore size (Hub 1)

Bore size (Hub 2)

Bore Qty (machined items)

Max equals product quantity.

Please Confirm any Additional Machining Details Required (optional)

Keyway size (optional)

Price Breakdown

Up to 25mm (0.984") – (£15)
Up to 40mm (1.575") – (£20)
Up to 60mm (2.362") – (£30)
Over 60mm (2.362"+) – (£45)

Quantity Discount Breakdown

1 to 5 items: No discount
6 to 9 items: 10% off
10 to 19 items: 15% off
20 to 49 items: 20% off
50 to 99 items: 25% off
100+ items: 30% off

SKU: GR-24 Complete AROFLEX GR Couplings

GR-24 Complete Coupling

Original price was: £41.00.Current price is: £30.75.

ex. VAT · £36.90 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

Standard Max Bore

28mm

Outside Diameter

55mm

Total Assembled Length

78mm

Insert Material

Red Polyurethane (98 Shore A)

Rated Torque (Nominal)

60Nm

Max Speed

10600 RPM (Steel Hub) / 6950 RPM (Cast Iron)

Alignment Tolerance

Radial: 0.22mm / Angular: 0.9° / Axial: -0.5 to +1.4mm

Weight

0.76kg

Dimensions (L × W × H)

5.6 × 5.6 × 7.7 cm

Overall envelope

Standards & Fit

JS9

JS9 Keyway Tight fit anti-roll standard

Precision Transition Fit Precision bore fit

ISO

ISO 9001:2015 Quality Assured

Parameter	Value	Notes
SKU	GR-24	Aroflex part number
Standard Max Bore	28mm
Outside Diameter	55mm
Total Assembled Length	78mm
Insert Material	Red Polyurethane (98 Shore A)
Rated Torque (Nominal)	60Nm
Max Speed	10600 RPM (Steel Hub) / 6950 RPM (Cast Iron)
Alignment Tolerance	Radial: 0.22mm / Angular: 0.9° / Axial: -0.5 to +1.4mm
Weight	0.76 kg
Dimensions	5.6 × 5.6 × 7.7 cm	Overall envelope
Bore Tolerance	H7	Precision transition fit
Material	Steel / Friction disc	Standard construction
Certification	ISO 9001:2015	Quality assured

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GR-24 Series Complete Coupling

The GR-24 Series is a robust, torsionally flexible industrial coupling designed for reliable power transmission and shock absorption. This complete set features two high-strength hubs and a precision-moulded polyurethane spider, engineered to protect connected machinery by dampening torsional vibrations and compensating for shaft misalignments.

Superior Torque Handling: Rated for 60Nm (with Red 98 Sh-A insert), providing high torque density in a compact frame—perfect for electric motor drives, centrifugal pumps, and fans.
98 Shore A Hardness Insert: The high-durometer red polyurethane spider offers excellent resistance to oils, chemicals, and extreme temperatures (-30°C to +90°C continuous / up to 120°C peak).
Vibration Damping: The curved jaw design is specifically optimized to absorb operational shocks and resonance, significantly extending the service life of bearings and seals.
Durable Hub Construction: Available in high-quality sintered steel or cast iron, providing the structural mass needed for steady-state industrial power transmission.
Fail-Safe Operation: Designed as a “fail-safe” coupling; the jaws will remain interlocked to transmit torque even if the elastomer spider is completely destroyed in an overload event.