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Description
u profile roller polyamide 250 80 80 40 50U groove roller made of Polyamide 6G with a circumferential U groove running surface for secure guidance on a tube with 50 mm. Polyamide 6G is a high strength, abrasion resistant engineering plastic that is lightweight, runs quietly, and is gentle on the opposing surface. Manufactured to order. Technical Data Outer diameter: 250 mm Overall width: 80 mm Tread width: 80 mm Bore diameter: 40 mm Suitable for tube : 50 mm Load capacity: 2000 kg Wheel and
U-groove roller made of Polyamide 6G with a circumferential U-groove running surface for secure guidance on a tube with Ø 50 mm. Polyamide 6G is a high-strength, abrasion-resistant engineering plastic that is lightweight, runs quietly, and is gentle on the opposing surface. Manufactured to order.
Technical Data
- Outer diameter: 250 mm
- Overall width: 80 mm
- Tread width: 80 mm
- Bore diameter: 40 mm
- Suitable for tube Ø: 50 mm
- Load capacity: 2000 kg
- Wheel and tread material: Polyamide 6G (PA6G), natural color
- Temperature range: -30 °C to +80 °C
Properties of Polyamide 6G
- High strength with low weight
- Very good abrasion resistance and wear resistance
- Low-noise running compared to steel on steel
- Gentle on the steel opposing surface (tube)
- Resistant to oils, greases, and many chemicals
- Electrically insulating
Areas of Application
U-groove rollers made of Polyamide 6G are used where low-noise operation, low weight, and protection of the opposing surface are important. Typical applications include conveyor lines in mechanical engineering, special machines, overhead conveyors, workshop trolleys, and noise-sensitive applications.
Versions
- Standard ball bearings – with two galvanized precision ball bearings (DSPU-2505K)
- Stainless steel ball bearings – with two stainless steel ball bearings, suitable for humid and cleaning-intensive environments, including conveyor and packaging systems in the food and pharmaceutical industries without direct product contact (DSPU-2505NK)
- With keyway – bore Ø 40 mm with keyway according to DIN 6885 for a torque-resistant shaft connection (DSPU-2505PN)
Manufactured to order. For applications with direct food contact, please inquire separately about food-grade versions.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
These are definitely indestructible
Size: Medium
Both of my dogs can destroy a ball in a matter of minutes if I let them play with them (supervised) as is. Well not with these balls. They are the ONLY ones I have found that are 100% indestructible. Please only let your dogs play with these as a toy when supervised though. They go really far when throwing them, so both dogs get a good amount of running and exercise with these. I also bought these because they have the hole in the middle of the ball which is very important in the event that a dog gets one stuck at the back of their throat. This allows them to breath unlike those without this hold. It's an unlikely event, but as dog owners, we all need to be aware of this and educate ourselves on what to do if this SHOULD happen. This isn't a scare tactic, nor a reflection of this particular brand, it can happen with any type of ball. My two dogs are about 45ish lbs and the size is perfect for them, I don't want anything smaller than this. They love them. There is no annoying squeak. Really easy to wash after use. Some balls take forever to get the slimy saliva off, but these don't.
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Reviewed in the United States on September 25, 2025
★★★★★ 5
He loves this ball
Size: Medium, Size: Medium
My dog loves this ball. It’s the perfect size, he enjoys playing fetch and this ball has been his fav one. Thank you guys for making my lil one happy
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Our German Sheppard loves these
Size: Medium
These cost a bit more than tennis balls, but they are so much nicer and longer lasting. For starters, they stay cleaner than tennis balls because they’re smooth rubber. Dirt won’t build up on them and if anything does stick, like grass or soil, it falls off once the dog slobber dries. They’re also thick, so they don’t fall apart or blow out like a normal tennis ball does in our dog’s jaws after 30 seconds. Our GS chomps on these like crazy and the only damage they’ve suffered is a crack that developed from the edge of the hole, but the crack is growing very slowly and none of these balls have totally failed yet. The balls do whistle when thrown ant high speed and that may help a dog track and locate it, but I’m not sure. Our neighbors hear the whistling too so it’s far from silent. Lastly the orange ball is easy to locate out in our yard, but the dark blue practically disappears.
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Reviewed in the United States on April 6, 2025
★★★★★ 5
Great for smaller dogs
Size: Small
These two balls are perfect for the smaller mouthed dog that loves to play fetch.
These balls are not only super durable (lots of teeth biting), but float in the baby pool we use for our miniature dachshunds.
The value here is much better than you’d find anywhere else. The noise, if bitten hard enough, was “low” at best. Easy to spot/find if overthrown. Will definitely buy again once these are in bad repair; so far, so good-love these for my fur babies!
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Reviewed in the United States on October 8, 2024
★★★★★ 5
My dogs favorite balls
Size: Medium
These are great for my dog who always has to have a ball in her mouth. Not too hard so I don't have to worry about her teeth. They last for ever. They do lose their shape a little over time (like I said, she always has a ball in her mouth) they become a little oval in shape. They still bounce, she still chases it and she still chews on it so I don't think she notices or cares. I've gotten her a bag full of these over time and I have only seen one that she chewed a chunk out.
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Reviewed in the United States on September 28, 2023
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