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Heavy-Duty Forged Steel Sheaves from China Factory - Reliable Suppliers for Drilling Rig Applications
Product Specifications
| Product Name | Heavy Duty Sheave |
| Application | Used in Crown Block, Traveling Blocks and Hook Blocks, Mast and Derrick |
| Sheave OD | 1524 mm (60 inches) |
| Groove Diameter | 32 mm |
| Maximum Rope Diameter | 26 mm |
| Bearing Type | Tapered roller bearing with double-sealed protection |
| This flexibility allows our products to be adapted to rig models from 1000 HP to 3000 HP. | |
| Material | 42CrMo Forged Steel |
| Temperature Rating | -40°C to 120°C |
| Service Life | 8–10 years under normal drilling conditions, with periodic bearing and groove maintenance as required. |
| Standard | Produced under API 8C |
| Third-Party Inspection | Bureau Veritas (BV), CCS, ABS, SJS, etc. |
Product Features
- Each MTPM sheave is produced to sustain the mechanical stress of continuous drilling operations.
- The forged steel sheave body minimizes material fatigue while ensuring uniform strength distribution across the equipment.
- The optimized groove geometry provides steady rope guidance, reducing friction and extending wireline service life.
- Precision machined sheave holes allow smooth rotation under heavy load, while the sealed bearing housing effectively prevents contamination from mud and dust.
- The surface coating system delivers durable corrosion protection, retaining its structural integrity and color stability even after prolonged field exposure.
★ OEM Compatibility: As a source manufacturer, we supply sheaves fully compatible with major OEM equipment from BOMCO, LS NOV, Honghua, RG and other well-known drilling equipment brands. Customers can expect high interchangeability, strict compliance with API 8C requirements, and production traceability from raw material to final inspection.
Contact us for more details about the Sheave compatible with HONGHUA, RG, RONGSHENG, EMSCO, LSNOV drilling systems.
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Frequently Asked Questions
What is the outer diameter and groove specification of this heavy duty sheave?
The sheave has an outer diameter (OD) of 1524 mm (60 inches), a groove diameter of 32 mm, and supports a maximum rope diameter of 26 mm, making it suitable for high-load drilling applications.
Which drilling rig brands is this sheave compatible with?
This sheave is fully compatible with major OEM drilling equipment brands including BOMCO, LS NOV, Honghua, RG, RONGSHENG, EMSCO, and other well-known manufacturers. It is designed for rigs ranging from 1000 HP to 3000 HP.
What material is used to manufacture the sheave, and what standard does it comply with?
The sheave body is manufactured from 42CrMo forged steel, which provides excellent mechanical strength and fatigue resistance. All products are produced in compliance with API 8C standards to ensure quality and safety.
Is third-party inspection available for this sheave product?
Yes. Third-party witness and inspection reports are available from internationally recognized certification bodies including Bureau Veritas (BV), CCS, ABS, SJS, and others upon customer request.
What is the expected service life of this heavy duty sheave?
Under normal drilling conditions, the sheave is designed for a service life of 8 to 10 years. This assumes periodic maintenance of bearings and grooves as required during operation.
What temperature range can the sheave bearing system operate in?
The sheave is equipped with tapered roller bearings featuring double-sealed protection, rated for operating temperatures from -40°C to 120°C, making it suitable for both arctic and high-temperature drilling environments.