This Eaton Char-Lynn Teflon backup ring is designed to provide support and prevent extrusion of O-rings and seals in hydraulic systems.
The DANFOSS / EATON TEFLON BACKUP RING is suitable for a wide range of hydraulic applications.
SKU: 0008770-113
Supplier Part Number (MPN): 8770-113
Alternate Part Numbers: C1AA47
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Specifications
Alternate Part Numbers
Alternate Part Number8770-113, Alternate Part Number C1AA47, Alternate Part Number MINO-00287X60656
Brand
Danfoss Power Solutions II (Char-Lynn)
Brand
Char-Lynn
Pack Size
1.00
UOM
EA
Supplier Part Number
8770-113
Product Weight
0.01 lbs
Product Questions & Answers (3)
Question by: Norm A on Jun 30, 2025, 6:58 PM
got a char-lynn unit on the bench. is this 8770-113 ring the right kind of part for a seal stack, or what’s it actually do
Answer by: Customer Support on Jul 2, 2025, 4:06 PM
In a hydraulic seal stack, a Teflon backup ring is there to support the main seal and help it hold its shape under pressure. This part is identified as an Eaton Char-Lynn Teflon backup ring with supplier part number 8770-113.
Question by: Wayne F on Jun 8, 2025, 6:26 PM
What exactly is this ring made of? Teflon, right?
Answer by: Customer Support on Jun 10, 2025, 2:03 PM
That's correct, this backup ring is made of Teflon.
Question by: Rod P on Jul 7, 2025, 8:24 PM
Is this the teflon backup ring that goes with the Eaton Char-Lynn motor seals, or is it a different part?
Answer by: Customer Support on Jul 9, 2025, 10:41 AM
this is the Danfoss/Eaton Char-Lynn Teflon backup ring, supplier part number 8770-113. It carries the Char-Lynn brand lineage and is a genuine replacement component for that product family.
