Back-up Ring Support
Tapered-face ring supporting the seal against pressure extrusion.
Manufacturing Scope
Back-up Ring Support is a Hydraulic & Pneumatic Pistons family precision-turned on a Goodway SW-20, covering 9 variants — diameters ⌀11–20 mm, lengths 5–8 mm, standard material Steel (also steel, stainless, brass or aluminium). Every variant's part code, dimension and tolerance is listed below; request an instant quote with the code you need.
Variants are machined to H8 tolerance; the smallest is HIDB-BUR-06 (⌀11 mm) and the largest HIDB-BUR-16 (⌀20 mm). The family includes tapered, bored, multi-step variants. Custom sizes, tolerances or materials are produced to the part code on request.
| Code | Dia ⌀ | Length | Feature | Tolerance | Std |
|---|---|---|---|---|---|
| HIDB-BUR-06 | ⌀11 | 5 mm | taper · ⌀6 | H8 | anti-ekstrüzyon |
| HIDB-BUR-08 | ⌀13 | 5 mm | taper · ⌀8 | H8 | anti-ekstrüzyon |
| HIDB-BUR-10 | ⌀15 | 6 mm | taper · ⌀10 | H8 | anti-ekstrüzyon |
| HIDB-BUR-11 | ⌀16 | 6 mm | taper · ⌀11 | H8 | anti-ekstrüzyon |
| HIDB-BUR-12 | ⌀17 | 7 mm | taper · ⌀12 | H8 | anti-ekstrüzyon |
| HIDB-BUR-13 | ⌀18 | 7 mm | taper · ⌀13 | H8 | anti-ekstrüzyon |
| HIDB-BUR-14 | ⌀18.5 | 7 mm | taper · ⌀14 | H8 | anti-ekstrüzyon |
| HIDB-BUR-15 | ⌀19 | 8 mm | taper · ⌀15 | H8 | anti-ekstrüzyon |
| HIDB-BUR-16 | ⌀20 | 8 mm | taper · ⌀16 | H8 | anti-ekstrüzyon |
Material & Tolerance
The standard material is listed below; also available in steel, stainless, brass and aluminium. Dimensions in mm; tolerances machined to ISO. For custom sizes/tolerances, contact us with the part code.
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