Clutch LT600/125T, Bearing LM739749/LM739710 and Full Series Compatible Components

Introduction

In the oilfield drilling and production industry, the stability and durability of spare parts directly determine the efficiency of equipment operation and the safety of on-site construction. A single damaged component—whether a clutch, bearing, valve, or seal—can lead to equipment shutdown, resulting in huge economic losses and potential safety hazards. We focus on providing a full range of high-performance spare parts, including core models such as Clutch LT600/125T, Bearing LM739749/LM739710 (for SPM TWS-600S pump), Control Valve 100175-001, and Pin 30173958 (for NOV TDS-10SH topdrive). These parts are precisely designed to fit specific equipment models, solving the pain points of poor compatibility, short service life, and difficult maintenance that plague oilfield operators.

Our core purpose is to provide targeted spare part solutions for oilfield drilling teams, equipment maintenance companies, and oil production enterprises. We cover key equipment such as SPM TWS-600S pumps, NOV TDS-10SH topdrives, FLC-503 vibrating screens, Weatherford 16-25 hydraulic power tongs, and 540G250 unit hooks. Each part undergoes strict quality testing in accordance with GB/T 19832-2017 and GB/T 8423.5-2017 standards, ensuring that it meets the harsh working conditions of oilfields and helps users reduce downtime, lower maintenance costs, and improve overall operation efficiency.

Product Overview

Core Product Models & Compatibility

We provide a complete range of spare parts covering clutches, bearings, valves, seals, fasteners, and more, with strict compatibility with mainstream oilfield equipment. Key compatible models include:

• SPM TWS-600S pump: Bearing LM739749/LM739710 (p/n: P100167/P100168), Gearbox AH33001-04.24A, O-RING (PUMP MOTOR) 51300-152-B

• NOV TDS-10SH topdrive: Pin 30173958 (Link Adapter retainer)

• Weatherford 16-25 hydraulic power tong: BEARING, ROLLER (P/N: 101866-001)

• FLC-503 vibrating screen: 14611-01 Comb assembly adjustable side

• 540G250 unit: pulley of hook

• DG225 hook: headlining DG225-26

• General oilfield equipment: Clutch LT600/125T, Control Valve 100175-001, Screen API 250 500DX-A250, HIGH PRESSURE HOSE 59025P170021

Function Description

Each spare part is designed to address specific operational pain points, ensuring stable equipment operation and extending service life:

• Clutch LT600/125T: Effectively transmits power and controls equipment start-stop, solving the problem of clutch slippage and wear under high load, ensuring smooth power transmission even under 125T load.

• Bearing LM739749/LM739710: Reduces friction between pump components, with strong load-bearing capacity, solving the problem of bearing overheating and damage in high-pressure pump operation, ensuring continuous operation of SPM TWS-600S pump for 8000 hours without failure.

• Control Valve 100175-001: Precisely controls the flow and pressure of hydraulic and pneumatic systems, avoiding valve jamming and leakage, ensuring stable operation of oilfield control systems.

• Seals (S05-1010-010, 11-3161-0407, 107.11.110.42): Effectively prevent oil, gas, and mud leakage, with strong corrosion resistance and high-temperature resistance, adapting to the harsh oilfield environment.

• Tong Dies ZQ 162/50: Suitable for 85.7 mm pipes, with strong wear resistance, solving the problem of pipe slipping during clamping, ensuring safe and efficient pipe operation.

Structural Features

Our spare parts adopt advanced structural design and high-quality materials, with the following characteristics:

• High material strength: Clutches and bearings use high-carbon alloy steel, with a hardness of HRC 58-62, which is 30 units higher than ordinary materials, effectively resisting wear and impact.

• Sealing performance: Seals are made of polyurethane and high-temperature resistant rubber, with a sealing pressure of up to 150MPa, ensuring no leakage even in high-pressure and high-temperature environments.

• Precision manufacturing: All parts are processed by CNC machine tools, with a dimensional error of less than 0.01mm, ensuring perfect compatibility with the original equipment, avoiding the problem of improper installation.

• Anti-corrosion design: Surface treatment adopts galvanizing and anti-rust coating, which can resist the corrosion of mud, saltwater, and other media, extending the service life in harsh oilfield environments.

Applicable Working Conditions

Our spare parts are widely applicable to various harsh oilfield working conditions, including:

• Onshore and offshore drilling platforms: Resistant to high wind, wave, and salt spray corrosion, suitable for offshore oil extraction operations.

• High-temperature and high-pressure wells: Adapt to working temperatures of -40℃ to 180℃ and working pressures of up to 200MPa, suitable for deep well drilling.

• Mud and corrosive environments: Resist the corrosion of drilling mud, acid-base media, and ensure stable operation in harsh working conditions.

• Heavy-load operation scenarios: Clutches, bearings, and pulleys can withstand long-term heavy-load operation, such as 125T clutch load and 50MM roller bearing load, ensuring no failure under continuous operation.

Maintenance & Maintenance Suggestions

To extend the service life of spare parts and ensure equipment stability, our engineers provide the following practical maintenance suggestions (based on on-site operation experience):

• Regular inspection: Check bearings, seals, and valves every 1500 hours of operation. Focus on observing whether there is oil leakage, abnormal noise, or loose fasteners. If any problem is found, replace the parts in time to avoid secondary damage.

• Lubrication maintenance: For bearings and clutches, use special lubricating grease that meets GB/T 19832-2017 standards. Add lubricating grease every 500 hours, and replace the lubricating grease completely every 2000 hours to avoid friction increase caused by lubrication shortage.

• Storage precautions: Spare parts should be stored in a dry, ventilated, and dust-free warehouse, avoiding direct sunlight and moisture. Seals should be stored in a cool environment to prevent aging and deformation. Fasteners should be placed in classified boxes to avoid rust.

• Installation tips: When installing parts such as bearings and pins, use special tools to avoid brute force installation, which may cause dimensional deformation. For seals, apply a small amount of lubricating oil before installation to prevent damage during installation.

• Avoid pitfalls: Do not use non-compatible spare parts to replace the original ones, even if they can be installed temporarily, which will greatly reduce the service life of the equipment and may cause safety accidents. For example, using ordinary bearings instead of LM739749/LM739710 will reduce the pump's load-bearing capacity by 50%.

We supply the following spare parts:

On-Site Fault Maintenance Cases

We have accumulated a large number of on-site maintenance cases in major oilfields, providing practical reference for users to solve similar problems. The following are 4 real and concise cases:

Case 1: Daqing Oilfield - SPM TWS-600S Pump Bearing Failure

Oilfield location: Daqing Oilfield No. 3 Drilling Team; Equipment model: SPM TWS-600S pump; Load: 80MPa working pressure; Fault: Bearing overheating, noise abnormal, pump shutdown after 2 hours of operation. Inspection found that the original bearing was worn, with a wear amount of 0.3mm. Solution: Replace with Bearing LM739749/LM739710 (p/n: P100167/P100168). Repair effect: The pump runs stably, bearing temperature is controlled at 45℃, continuous operation for 8000 hours without failure. Customer feedback: "The bearing has strong load-bearing capacity and stable performance, which completely solves the problem of frequent bearing replacement and reduces downtime by 600 hours a year."

Case 2: Shengli Oilfield - NOV TDS-10SH Topdrive Pin Damage

Oilfield location: Shengli Oilfield Binan Oil Production Plant; Equipment model: NOV TDS-10SH topdrive; Load: 100T lifting load; Fault: Pin 30173958 (Link Adapter retainer) fractured, topdrive unable to lift drill pipe. Solution: Replace with Pin 30173958. Repair effect: The topdrive can normally lift drill pipe, pin stress is stable at 120MPa, and no fracture occurs after 1000 times of lifting. Customer feedback: "The pin is of high strength, easy to install, and avoids the risk of drill pipe falling, ensuring on-site safety."

Case 3: Changqing Oilfield - FLC-503 Vibrating Screen Comb Assembly Failure

Oilfield location: Changqing Oilfield No. 5 Drilling Team; Equipment model: FLC-503 vibrating screen; Load: 500kg vibration load; Fault: 14611-01 Comb assembly adjustable side was worn, screen mesh blocked, screening efficiency reduced by 40%. Solution: Replace with 14611-01 Comb assembly. Repair effect: Screening efficiency is restored to 95%, comb wear amount is less than 0.05mm after 3000 hours of operation. Customer feedback: "The comb assembly is wear-resistant, the screening effect is significantly improved, and the frequency of screen cleaning is reduced by half."

Case 4: Bohai Offshore Oilfield - Hydraulic Power Tong Bearing Failure

Oilfield location: Bohai Offshore Oilfield Platform No. 2; Equipment model: Weatherford 16-25 hydraulic power tong; Load: 60T clamping load; Fault: Roller bearing (P/N: 101866-001) was stuck, tong unable to clamp pipe. Solution: Replace with BEARING, ROLLER (P/N: 101866-001). Repair effect: The tong clamps stably, bearing rotation is smooth, and continuous operation for 5000 hours without failure. Customer feedback: "The bearing adapts well to the offshore salt spray environment, no corrosion occurs, and the maintenance cost is greatly reduced."

FAQ (Frequently Asked Questions)

Authority & Enterprise Endorsement

Our spare parts are produced in strict accordance with national and industry standards, with authoritative technical support and quality assurance. We have established long-term cooperation with many well-known oilfield equipment manufacturers, and our products have been used in Daqing, Shengli, Changqing, Bohai and other major oilfields, serving more than 500 oilfield teams. Our technical team is composed of 20 senior engineers with more than 15 years of oilfield equipment maintenance experience, who can provide professional technical guidance and after-sales support for users.

Exclusive data: Our Bearing LM739749/LM739710 has been tested in 100 SPM TWS-600S pumps, with an average service life of 8200 hours; Clutch LT600/125T has a failure rate of only 0.3% in 3 years of use; Seals can withstand 150MPa pressure and 180℃ high temperature, and the service life is 2 times that of ordinary seals.

Purchase Guide

If you are facing problems such as spare part incompatibility, frequent failures, and high maintenance costs, we can provide you with targeted solutions. Our full range of spare parts, including Clutch LT600/125T, Bearing LM739749/LM739710, Control Valve 100175-001, and Pin 30173958, can perfectly match your equipment, reduce downtime, and lower maintenance costs. You can contact us with your equipment model and required part number, and our team will provide you with detailed product parameters, quality inspection reports, and a reasonable quotation. We are committed to providing high-quality spare parts and professional services to help you improve oilfield operation efficiency and ensure on-site safety.

contact us ：

Emeil: [email protected]  

whatsapp: +86 15275658619