Crawler Crane QUY250 Track roller
Crawler Crane QUY250 Track roller
Fuwa QUY250 Crawler Crane Track Roller
This Fuwa QUY250 crawler crane track roller, also called a bottom roller, is designed for crawler crane undercarriage repair and replacement. It supports the track chain, distributes machine load and helps the crane travel smoothly on job sites.
For buyers comparing aftermarket crawler crane parts suppliers, correct model matching and stable quality control are important. We can help confirm the right bottom roller according to your Fuwa crane model, old part photos, OEM reference or sample dimensions.
Product Detail Information
| Machine Model | Fuwa QUY250 |
|---|---|
| Part Type | Crawler Crane Track Roller / Bottom Roller |
| Material | 35Mn or 35CrNiSiMo, depending on application and working conditions |
| Machine Type | Crawler Crane |
| Application | Aftermarket replacement for crane undercarriage repair and maintenance |
Function of the Bottom Roller
The bottom roller is one of the key wear parts in a crawler crane undercarriage system. It carries the weight of the machine, guides the track chain and helps reduce uneven wear during traveling. A properly matched track roller improves crawler stability and helps extend the service life of related components.
Supports the crawler crane body weight during movement and lifting preparation.
Works together with track shoes, track chains, idlers and sprockets.
Helps maintain smooth track movement and reduce abnormal vibration.
Suitable for Fuwa QUY250 crawler crane maintenance and aftermarket replacement.
Product Images
How to Confirm the Right Fuwa Track Roller
Before ordering a replacement track roller, please check the crane model, roller size, shaft dimensions, mounting position and existing wear condition. If you are not sure which bottom roller fits your Fuwa QUY250, send us photos or measurements and our team will help verify the part.
Why Choose a Reliable Supplier
A crawler crane track roller works under heavy load, dust, impact and long operating hours. When sourcing from aftermarket crawler crane parts suppliers, buyers should evaluate material selection, heat treatment, machining accuracy, sealing quality, export packing and technical support rather than only comparing price.
We support customers with model checking, product photos, dimension confirmation and international shipping arrangements for crawler crane undercarriage parts.
FAQ
How to check crane track wear limits?
To check crane track wear limits, inspect the track shoes, track chain pitch, roller tread surface, idler contact area and sprocket tooth profile. Look for cracks, uneven wear, oil leakage, flat spots, loose bolts and abnormal clearance. If the track roller surface is deeply worn, the flange is damaged, or the track chain does not run smoothly, the undercarriage should be measured and serviced. For accurate judgment, compare the measurements with the crane service manual or send photos and dimensions to a qualified crawler crane parts supplier for confirmation.
When should a Fuwa crawler crane bottom roller be replaced?
A Fuwa crawler crane bottom roller should be replaced when there is serious tread wear, damaged flanges, oil leakage, abnormal noise, bearing failure or unstable track movement. Replacing worn rollers in time helps protect the track chain, track shoes, idlers and sprockets from further damage.
What information is needed to confirm a QUY250 track roller?
To confirm a QUY250 track roller, please provide the crane model, OEM reference if available, old roller photos, shaft size, roller diameter, overall width and installation position. These details help avoid wrong part selection and improve replacement accuracy.
Need Fuwa QUY250 Undercarriage Parts?
Send us your Fuwa crane model, old part photos, OEM number or sample dimensions. We can help confirm track rollers, bottom rollers, track shoes, idlers, sprockets and other crawler crane undercarriage parts.
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