Kobelco 7045 Track Roller 24100N1661F1
This Kobelco 7045 track roller is supplied for crawler crane undercarriage maintenance, repair replacement, and spare parts stock. It is commonly identified by OEM reference 24100N1661F1 and is used where stable crawler support and accurate roller fitment are required.

Technical Information
| Item | Track Roller / Bottom Roller |
|---|---|
| Machine Application | Kobelco 7045 Crawler Crane |
| Reference Number | 24100N1661F1 |
| Material Option | 50Mn Steel |
| Hardening Depth | Approx. 6–10 mm, subject to final specification |
| Applicable Equipment Type | Crawler Crane |
| Supply Brand | SQ / Shunqi |
| Trade Terms | EXW, FOB, CFR, CIF, DDU |
Application and Fitment Notes
A crawler crane roller works continuously between the track frame and the track chain. For a Kobelco 7045 machine, correct roller size and mounting position are important because even a small mismatch may lead to abnormal chain contact, side wear, or unstable travel movement.
The reference number 24100N1661F1 is useful for identifying this part, but it should not be the only checking method. Before shipment, we recommend confirming the roller with photos of the existing part, basic dimensions, and the machine serial number when available.
This product is suitable for repair companies, crane owners, rental fleets, and undercarriage parts distributors that need replacement rollers for planned maintenance or urgent repair jobs.
Why This Roller Matters in the Undercarriage System
The track roller carries vertical load and helps the crawler chain move along the lower track frame. Once the roller surface becomes uneven, cracked, loose, or difficult to rotate, other parts of the undercarriage may also begin to wear faster. Replacing damaged rollers in time can help protect the track chain, idler, sprocket, and track shoes.
Designed for crawler crane service: Suitable for heavy equipment where stability and reliable movement are required.
40Mn steel material: Selected for undercarriage roller applications that need strength and wear resistance.
Heat-treated working surface: Helps improve resistance against abrasion during regular crane operation.
OEM number support: 24100N1661F1 can be used as the main reference for part inquiry and quotation.
Flexible confirmation: Drawing, old sample, photos, and measurements can be checked before production or delivery.

Related Kobelco Crane Undercarriage Parts
For Kobelco crawler cranes, different models may use different undercarriage dimensions. If you also need other parts for the same machine, we can help check the correct specifications before quotation.
| Main Model | Related Parts | Checking Requirement |
|---|---|---|
| Kobelco 7045 | Track roller, upper roller, idler, sprocket, track shoe | Check by OEM number or part dimensions |
| Kobelco 7035 | Undercarriage parts available upon request | Confirm separately before order |
| Kobelco 7055 | Track roller and related crawler parts available | Do not mix dimensions with 7045 without checking |
Before sending an inquiry: Please prepare the OEM number, quantity, destination, roller photos, or basic dimensions such as outer diameter, roller width, shaft size, and mounting hole distance. These details help us reduce fitment errors.
Inspection and Maintenance Suggestions
During daily crane operation, the roller area should be kept as clean as possible. Mud, sand, stones, and hardened soil around the lower frame may increase friction and accelerate wear. After working on soft ground or abrasive sites, checking the rollers and track chain can help find problems earlier.
Common signs of roller problems include oil leakage, abnormal noise, stuck rotation, uneven surface wear, loose bolts, or visible damage around the sealing area. If several rollers show similar wear, the track chain tension and overall undercarriage condition should also be checked.
FAQ
1.Can this roller be supplied for one-piece replacement?
Yes. One piece can be supplied for repair use, while bulk orders are also available for distributors or fleet maintenance customers.
2.What if my old roller has no visible part number?
You can send clear photos, a simple drawing, or measurements. We can compare the dimensions and help identify the suitable crawler crane roller.
3.Do you provide packing for export shipment?
Yes. Export packing can be arranged according to order quantity, roller size, and transportation method.
Send Your Kobelco 7045 Roller Details for Checking
If you are not sure whether 24100N1661F1 matches your machine, send us the part number, photos, or dimensions. We will help check the roller type and provide a suitable quotation for your crawler crane undercarriage repair.

