Clamp coupling (boc coupling) DIN 115 both sides bore 80mm with keyway material cast iron vs Elastic coupling RNK with clamp hubs backlash-free size 48 boreholes 45mm outer diameter 105mm overall length 140mm insert 98° shore red

Clamp coupling (boc coupling) DIN 115 both sides bore 80mm with keyway material cast iron and Elastic coupling RNK with clamp hubs backlash-free size 48 boreholes 45mm outer diameter 105mm overall length 140mm insert 98° shore red 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 RNK with clamp hubs backlash-free size 48 boreholes 45mm outer diameter 105mm overall length 140mm insert 98° shore red is €86.96 cheaper ($561.30).

Feature-by-feature product comparison

Criterion	Clamp coupling (boc coupling) DIN 115 both sides bore 80mm with keyway material cast iron	Elastic coupling RNK with clamp hubs backlash-free size 48 boreholes 45mm outer diameter 105mm overall length 140mm insert 98° shore red
Price	$661.67	$561.30cheapest
Seller	MÄDLER	MÄDLER
Availability	In stock	Backorder
Rating	—	—
Weight	27 kg	2.5 kg
Bore	—	45 mm
Bore diameter	80 mm	—
Bore length	—	56 mm
Coupling type	Rigid two-piece stlye	Elastic. angular/transv./long flexible
Distance between the hubs	—	28 mm
Electrically insulating	No	No
Material	Grey cast iron (A48)	Aluminum/Polyurethane
Max bore	—	55 mm
Max misalignment angle	0 °	—
Max misalignment angular	—	0.9
Max misalignment axial	0 mm	+2.1/-1 mm
Max misalignment radial	0 mm	0.16 ±mm
Max speed	1060 min-1	3750 min-1
Max torque	2 500 Nm	480 Nm
Number of allen bolts din 931	8	—
Outer diameter	190 mm	105 mm
Replacement spider	—	60 519 848
Size	—	48
Stainless	No	Yes
Surface	Blank	Blank
Temperature max.	150 °C	90 °C
Temperature min.	-40 °C	-30 °C
Total length	280 mm	140 mm
With keyway	Yes	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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