Chain coupling pitch 1/2 x 5/16″ 18 teeth nominal torque 240Nm vs Elastic coupling RN size 7 max. torque 2,24Nm nominal torque 1,12Nm outer diameter 14 mm overall length 22 mm no bore insert 92° shore white or yellow

Chain coupling pitch 1/2 x 5/16″ 18 teeth nominal torque 240Nm and Elastic coupling RN size 7 max. torque 2,24Nm nominal torque 1,12Nm outer diameter 14 mm overall length 22 mm no bore insert 92° shore white or yellow are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Elastic coupling RN size 7 max. torque 2,24Nm nominal torque 1,12Nm outer diameter 14 mm overall length 22 mm no bore insert 92° shore white or yellow is €10.53 cheaper ($35.80).

Feature-by-feature product comparison

Criterion	Chain coupling pitch 1/2 x 5/16″ 18 teeth nominal torque 240Nm	Elastic coupling RN size 7 max. torque 2,24Nm nominal torque 1,12Nm outer diameter 14 mm overall length 22 mm no bore insert 92° shore white or yellow
Price	$47.93	$35.80cheapest
Seller	MÄDLER	MÄDLER
Availability	In stock	In stock
Rating	—	—
Torque	2 447,3 kg·cm	22.841 kg·cm
Weight	1.83 kg	7 g
Bore length	—	7 mm
Bore pilot hole	—	Without bore mm
Coupling type	Elastic. angular/transv./long flexible	Elastic. angular/transv./long flexible
Din iso no	08 B-2	—
Distance between hub and spider	—	1 mm
Distance between the hubs	—	8 mm
Electrically insulating	No	No
Hub diameter	60 mm	14 mm
Length of each sprocket	32 mm	—
Material	Steel	Aluminum/Polyurethane
Max bore	—	6.35 mm
Max misalignment angle	0.5 °	1 °
Max misalignment axial	0.2 mm	0.2 mm
Max misalignment radial	0.2 mm	0.1 mm
Max outer diameter	86 mm	—
Max speed	5500 min-1	—
Max speed at 30 m s	—	40000 min-1
Max torque	240 Nm	2.24 Nm
Min bore diameter	15 mm	—
Min distance for dismantling	—	7 mm
Moment of inertia	0.00474 kgm2	—
Mounting distance over tooth flanks	20.7 mm	—
Nominal torque	—	1.12 Nm
Outer diameter	—	14 mm
Power speed max.	0.0246 kW/min -1	—
Replacement spider 92 shore part no	—	60 519 207
Size	—	7
Spider width	—	6 mm
Stainless	No	Yes
Surface	Blank	Blank
Temperature max.	220 °C	90 °C
Temperature min.	-30 °C	-40 °C
Torsional angle at max nm	—	2
Total lenght	—	22 mm
Total length	71 mm	—
With keyway	No	No
	View at seller ↗	View at seller ↗

Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.

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