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CAT 3f-8638, CAT 4b-0894 Springa
Frequently Asked Questions
Which OEM part numbers does this part replace?
Springa is produced against OEM reference CAT 3f-8638, CAT 4b-0894. Send us the OEM part number you need and our team will confirm the matching Babacan part and its compatibility for your machine.
Is this part EN 45545-2 compliant?
For railway applications our rubber parts can be supplied in EN 45545-2 fire-and-smoke compliant compounds on request. Specify the hazard level (HL1–HL3) required for your project and we will provide a suitable formulation and documentation.
What rubber compounds and hardness options are available?
We offer NR, SBR, EPDM, NBR and silicone-based compounds, typically from 40 to 90 Shore A. We recommend the right material based on the temperature, load and oil-resistance requirements of your specific application.
Do you produce samples and series batches?
Yes. We manufacture both samples and series production at our Ostim / Ankara facility, working from a technical drawing or a sample part. Contact us through the form for a quotation and lead time for your parts.
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