The John Crane 5610 is a single cartridge mechanical seal used across pumps, water treatment and general industry. If the OEM won't sell you one piece, or the lead time is 8–16 weeks, we source a verified size-and-function equivalent — such as the Trisun SC-J01 — through our coordination, delivered in 4–6 weeks.
Typical 5610 cartridge dimensions. Your exact shaft size drives the equivalent we source — confirm with the supplying factory.
| Parameter | Typical range / note |
|---|---|
| Seal type | Single cartridge mechanical seal (balanced / unbalanced per arrangement) |
| Shaft diameter | Common sizes 25 / 35 / 45 mm (other sizes per arrangement) |
| Seal face | Carbon vs. SiC / SiC vs. SiC (application dependent) |
| Elastomer | NBR / FKM / EPDM (confirm media & temperature) |
| Mounting | Cartridge — set screw fixed, no field measuring required |
Matched by size and function to the 5610. Sourced via our coordination from ISO 9001-certified partner plants. Equivalent ≠ identical — confirm details with the factory.
Single cartridge equivalent to John Crane 5610. Written MOQ 1–2 pcs confirmation from Trisun; NBR/FKM/FFKM elastomers, SiC/TC faces, SUS316 hardware; shaft 25–140 mm.
Alternative single cartridge source, listed as secondary. Published-catalog MOQ 1 pc; availability confirmed on inquiry.
The John Crane 5610 is a single cartridge mechanical seal. We source the Trisun SC-J01 as a size-and-function equivalent, plus other China-built cartridge alternatives, through our coordination from ISO 9001-certified partner plants. Confirm exact shaft size and elastomer with the supplying factory before ordering.
We are a sourcing coordinator, not a distributor. We do not claim standing stock on every item. Availability and lead time are confirmed per inquiry — typically 4–6 weeks versus the OEM's 8–16 weeks.
Yes. Small-batch and long-tail orders (1–2 pieces) are exactly the segment we serve — the gap OEM digital platforms, MRO distributors and volume Chinese exporters skip. MOQ of 1 piece is supported by selected partner plants (e.g. Trisun SC-J01, per the plant's written MOQ 1–2 pcs confirmation); we confirm stock and exact price on inquiry.
Send the OEM model (John Crane 5610) and your shaft size / pump model via the contact form. No part number? Send a photo + 4 dimensions and we match it remotely.
Send your shaft size + pump model — we return the equivalent and a quote in 1–2 days.