Chain coupling pitch 3/4 x 7/16″ 18 teeth nominal torque 600Nm vs Elastic coupling RNG cast iron size 65 max. torque 1250Nm nominal torque 625Nm outer diameter 135mm length 185mm pre-bored 18mm

Chain coupling pitch 3/4 x 7/16″ 18 teeth nominal torque 600Nm and Elastic coupling RNG cast iron size 65 max. torque 1250Nm nominal torque 625Nm outer diameter 135mm length 185mm pre-bored 18mm are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Chain coupling pitch 3/4 x 7/16″ 18 teeth nominal torque 600Nm is €78.04 cheaper ($123.23).

Feature-by-feature product comparison

Criterion	Chain coupling pitch 3/4 x 7/16″ 18 teeth nominal torque 600Nm	Elastic coupling RNG cast iron size 65 max. torque 1250Nm nominal torque 625Nm outer diameter 135mm length 185mm pre-bored 18mm
Price	$123.23cheapest	$213.25
Seller	MÄDLER	MÄDLER
Availability	In stock	In stock
Rating	—	—
Torque	6 118,2 kg·cm	6 373,1 kg·cm
Weight	4.97 kg	10.1 kg
Bore length	—	75 mm
Bore pilot hole	—	18 mm
Coupling type	Elastic. angular/transv./long flexible	Elastic. angular/transv./long flexible
Din iso no	12 B-2	—
Distance between hub and spider	—	4.5 mm
Distance between the hubs	—	35 mm
Electrically insulating	No	No
Hub diameter	90 mm	115 mm
Hub length up to flange	—	61 mm
Inner diameter spider	—	68 mm
Length of each sprocket	40 mm	—
Material	Steel	Grey cast iron/Polyurethane
Max bore	—	70 mm
Max misalignment angle	0.5 °	1.2 °
Max misalignment axial	0.25 mm	2.6 mm
Max misalignment radial	0.2 mm	0.42 mm
Max outer diameter	126.5 mm	—
Max speed	3000 min-1	—
Max speed at 30 m s	—	4250 min-1
Max torque	600 Nm	1 250 Nm
Min bore diameter	25 mm	—
Min distance for dismantling	—	27 mm
Moment of inertia	0.03010 kgm2	—
Mounting distance over tooth flanks	29.5 mm	—
Nominal torque	—	625 Nm
Outer diameter	—	135 mm
Power speed max.	0.0616 kW/min -1	—
Replacement spider 92 shore part no	—	60 509 265
Replacement spider 98 shore part no	—	60 509 865
Size	—	65
Spider width	—	26 mm
Stainless	No	No
Surface	Blank	Blank
Temperature max.	220 °C	90 °C
Temperature min.	-30 °C	-40 °C
Torsional angle at max nm	—	5
Total lenght	—	185 mm
Total length	89.5 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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