Description
Custom Stainless Steel Shaft PU Rollers for Pharmaceutical Conveying – Custom Solution from a China Manufacturer
These custom stainless steel shaft PU rollers for pharmaceutical conveying pair a mirror-polished polyurethane coating with a solid 304 or 316L stainless steel shaft, giving cleanroom and hygiene-controlled lines the non-marking, low-particle running surface they require. Because the PU layer keeps its shape far longer than standard rubber covering under repeated wash-down, filling, labelling and inspection lines see less replacement downtime and fewer unplanned stops. Every batch is checked for concentricity and surface finish before it leaves our workshop, and full material certificates are supplied on request. As a professional China manufacturer and supplier, we build these rollers to your drawing at wholesale pricing, with expert advice on the hardness and diameter combination that fits your specific market and application.
Why Choose These PU Rollers
Pharmaceutical conveying puts a roller through a tougher routine than most production lines: frequent cleaning, tight tracking tolerances and a strict no-contamination rule. Our custom design answers all three points at once, and the reasons buyers choose us are practical rather than decorative.
- Corrosion-resistant shaft. The 304 or 316L stainless steel shaft is turned and ground to a tight tolerance, so it resists water, alcohol and mild alkaline detergents, which means fewer seized bearings and less unplanned maintenance on a line that runs around the clock.
- Non-marking polyurethane surface. PU does not leave the black streaks that rubber rollers are known for, protecting cartons, blister packs and glass vials from cosmetic rejects.
- Low particle release. A mirror-polished finish of Ra 0.8 µm or finer wipes down easily and does not shed material into the product stream, which helps you pass internal hygiene audits.
- Stable rotation. Runout is held to 0.05 mm, so containers and cartons track straight even at higher line speeds instead of drifting into the guide rails.
- Made to your drawing. Shaft diameter, face length, end configuration and coating hardness are all produced to order, so the roller fits your existing conveyor frame without adapters.
Technical Specifications
This series of custom stainless steel shaft PU rollers is engineered for clean, reliable performance in pharmaceutical conveying. As a China OEM/ODM manufacturer, we support customized shaft diameters, face lengths and PU hardness to match your exact line conditions.
| Parameter | Typical Value |
|---|---|
| Shaft material | 304 or 316L stainless steel, other grades on request |
| Shaft diameter | 12 mm to 50 mm, standard 20 mm |
| Shaft end configuration | Threaded, keyed, D-cut, drilled, or fully to your drawing |
| Roller core | Aluminium, carbon steel or stainless steel |
| Coating | Polyurethane, Shore A 70 to 95 |
| Roller outside diameter | 30 mm to 150 mm |
| Face length | 50 mm to 2000 mm |
| Concentricity | 0.05 mm or better |
| Surface finish | Ra 0.8 µm mirror polish or finer |
| Operating temperature | -20 °C to +80 °C |
| Load capacity | Up to 200 kg per roller, depending on size and support spacing |
| Cleaning compatibility | Isopropyl alcohol, ethanol, mild alkaline detergents, water wash-down |
Customizable shaft diameter and face length. Corrosion-resistant 304/316L stainless shaft with non-marking PU coating. Full material certificates and OEM/ODM support – contact us for wholesale pricing and bulk orders.
Product Details
The shaft is machined from solid stainless bar rather than tube, which keeps stiffness high and prevents deflection on wide conveyor spans. Where the roller meets the frame, we can produce plain ends, threaded ends, keyed journals or a drilled cross-hole so the roller drops straight into your existing bearing blocks.
The polyurethane coating is cast and bonded directly onto a prepared core surface, giving a mechanical and chemical bond that resists separation under repeated temperature cycling. After curing, each roller is ground and dynamically checked so that wall thickness stays even around the circumference. Hardness is selected against your application: softer compounds for delicate glass and foil contact, harder compounds where grip and load carrying dominate. Tell us your product weight, line speed and cleaning routine and our engineers will advise on the hardness and diameter that will serve you best.
Details Images
Material Properties
| Property | Typical Value | Notes |
|---|---|---|
| Hardness | Shore A 70 to 95 | Selected according to load and grip requirement |
| Abrasion resistance | Low wear under continuous running | Longer service interval than standard rubber covering |
| Rebound resilience | High | Reduces vibration and running noise on high-speed lines |
| Chemical resistance | Good against water, alcohol and mild alkalis | Confirm suitability for aggressive solvents before ordering |
| Water absorption | Very low | Dimensions stay stable after repeated wash-down |
| Marking behaviour | Non-marking | Leaves no dark streaks on product or guide rails |
About Us
Customers Visiting
We are a China-based manufacturer and supplier of custom rollers, wheels and conveyor components, serving pharmaceutical, food processing and electronics assembly customers for many years. Our team works from customer drawings, samples or simple application notes, and we handle everything from material selection through to final inspection and export packing.
Because we produce to order rather than pushing a fixed catalogue, we can support OEM and ODM projects, small trial runs and wholesale volumes under one roof. Buyers dealing with us usually mention two things: the level of technical advice they get before placing an order, and the consistency of the parts that arrive. We would rather spend an extra day confirming your shaft configuration than ship a roller that does not fit.
Factory & Equipment
Our workshop covers CNC turning, centreless grinding, polyurethane casting and bonding, precision grinding of the coated surface, and dynamic balancing. Incoming stainless steel bar is verified against mill certificates, and finished rollers pass through dimensional and visual inspection before packing.
Typical equipment on site includes CNC lathes for shaft profiling, grinding machines for finish and roundness control, casting stations for PU formulation, and balancing benches for higher-speed applications. This setup lets us hold tight tolerances on both the metal and the polymer side, which is where most roller problems actually start.
Certifications
Our production follows an ISO 9001 quality management system, and roller materials can be supplied with RoHS and REACH declarations where required. We also provide mill certificates for stainless steel, batch records for polyurethane hardness, and third-party inspection reports if your purchasing process calls for them. Customers are welcome to arrange their own inspection or audit before shipment.
Production & Inventory Policy
Lead time: Actual lead time is affected by raw material supply, machining capacity and peak-season workload, so it moves within a reasonable range. Once your order is confirmed we will give you the most accurate delivery estimate we can and keep you updated throughout production.
Stock status: We generally produce to order, although a number of popular standard sizes are kept in stock. Stock quantities change constantly with sales and production, so please contact our team to confirm live availability before you place an order.
Bulk and urgent orders: For large volumes or urgent requirements, please talk to us early about capacity and scheduling. We will do our best to match your timeline.
Frequently Asked Questions
1. What makes these custom stainless steel shaft PU rollers for pharmaceutical conveying suitable for clean production areas?
Two things matter most in a cleanroom or hygiene-controlled area: what the surface releases and how easily it can be cleaned. Our mirror-polished polyurethane surface does not shed particles the way a worn rubber covering does, and it wipes down with isopropyl alcohol, ethanol or mild alkaline detergent without swelling. Because the shaft is solid 304 or 316L stainless steel, it also tolerates the frequent wash-down that such lines require.
2. Can you customize the shaft diameter, length and end configuration?
Yes. Shaft diameter, face length, end type and coating hardness are all produced to your drawing or sample. Typical end options include threaded, keyed, D-cut and drilled journals, and we can also match an existing bearing block if you send us the dimensions. Customization is standard work for us, not an exception.
3. How do I choose the right polyurethane hardness for my application?
It depends mainly on the product being conveyed and the load. Softer compounds around Shore A 70 to 80 give gentler contact for glass and foil, while harder compounds up to Shore A 95 carry more weight with less deformation. If you tell us the item weight, line speed and cleaning routine, our engineers will recommend a hardness and diameter combination rather than leaving you to guess.
4. What is your minimum order quantity and typical lead time?
MOQ depends on the roller size and how much of the work is custom. We accept small trial quantities for first orders so you can validate performance on your line, then scale up. Lead time is normally a few weeks for standard sizes and longer for fully custom configurations, subject to material availability and workshop scheduling.
5. Do you offer OEM/ODM service and customized packaging?
Yes. We can produce under your brand, apply your part numbers, and pack rollers with protective sleeves and separated layers for safe sea freight. OEM and ODM projects are a regular part of our business, and we are comfortable working from a drawing, a competitor sample, or a description of the problem you need solved.
6. What payment and shipping terms do you support?
We commonly work on T/T and can discuss other terms for repeat business. Shipments go out by sea, air or express depending on volume and urgency, and we handle export documentation and packing lists. For wholesale orders we will suggest the most economical route based on your destination and timeline.
7. Can you supply samples before a bulk order?
Yes, samples are available so you can check fit, hardness and running behaviour on your own conveyor before committing to volume. Sample cost and lead time depend on how much customization is involved, and we will confirm both upfront.
8. How do you control quality, and what warranty do you offer?
Incoming stainless steel is checked against mill certificates, PU hardness is recorded per batch, and finished rollers are inspected for diameter, runout and surface finish. If a roller fails to meet the agreed specification, contact us with photos and batch details and we will investigate and replace it. The exact warranty period is set in the order confirmation so both sides know where they stand.
Looking for a reliable manufacturing partner for custom stainless steel shaft PU rollers?
Get in touch for quick quotes, custom samples and volume discounts. We are here to support your pharmaceutical conveying project from design to delivery.
Reviews
There are no reviews yet.