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DANFOSS / EATON ORING-BUNA N 70

Description & Features

Buna-N (nitrile) O-rings in a 70 Shore A durometer rating are widely used as sealing elements in hydraulic motors, valves, and fluid power assemblies where resistance to petroleum-based fluids and moderate temperatures is required. The DANFOSS / Eaton Oring-Buna N 70 is a genuine Eaton Char-Lynn spare part, manufactured to fit within Danfoss and Eaton hydraulic component assemblies and maintain reliable fluid seals under service conditions.

Sourced directly from Eaton Char-Lynn, this O-ring is available in a variety of sizes to suit different sealing groove configurations. Buna-N compound at 70 durometer provides a balanced combination of flexibility and compression resistance, making it a practical choice for replacement sealing in hydraulic equipment maintenance.

SKU: 0008761-237

Supplier Part Number (MPN): 8761-237

Specifications

Brand Danfoss Power Solutions II (Char-Lynn)	Brand Char-Lynn	Pack Size 1.00	UOM EA	Features Available in a variety of sizes	ICC O-Rings and Gaskets	Language English	Net Pack Quantity Units EA	NMFC 125820	Sub Brand None	Supplier Part Number 8761-237	Product Weight 0.50 lbs

Product Questions & Answers (3)

Question by: Ricky H on Feb 28, 2025, 2:01 PM

what's the durometer on this o-ring

Answer by: Customer Support on Mar 2, 2025, 10:45 AM

Buna N 70 refers to the material hardness rating - it's a 70 durometer o-ring made from Buna-N rubber. The 70 durometer puts it in the medium-firm range, which works well for most standard hydraulic sealing applications where you need good compression resistance without being too stiff.

Question by: Freddie B on Aug 28, 2025, 12:53 PM

How well does the DANFOSS / EATON ORING-BUNA N 70 handle different temperatures?

Answer by: Customer Support on Aug 29, 2025, 3:05 PM

The BUNA N 70 material in this O-ring offers good resistance to a range of temperatures, making it suitable for many applications in hydraulic systems. It's known for its flexibility in both lower and higher temperature conditions, ensuring a reliable seal in various environments.

Question by: Roger J on Nov 20, 2025, 3:43 PM

Hey, is this buna n 70 o-ring gonna work as a straight swap for my old Eaton one?

Answer by: Customer Support on Nov 22, 2025, 7:44 AM

It's branded as both Danfoss and Eaton, so yeah, this O-ring is the Buna N 70 model directly from them.