MK-24-0148, ZQ203 Series, 6207 Bearing & Full Line Replacement Components

Core Purpose & Target User Demand Matching

This full line of industrial spare parts is custom engineered for heavy-duty oilfield drilling rigs, mud pumps, cooling pumps, hydraulic tongs, and drawworks systems, covering mainstream models including ZJ-40 rig, 32SB180J mud pump cooling pump, TWS-600S & HT-400 pumps, ZQ203-100 hydraulic tong, and TQ340 series transmission assemblies. Targeted at oilfield on-site maintenance teams, drilling equipment operation managers, spare parts procurement specialists, and field repair engineers, these components solve core pain points: frequent premature wear of standard spare parts under high-load, high-temperature, and mud-contaminated operating conditions, prolonged equipment downtime caused by mismatched part dimensions, frequent oil leaks and pressure losses, and repeated maintenance costs from non-standard replacement parts. Every component is built to deliver stable, long-lasting performance in harsh oilfield drilling environments, cutting unplanned shutdowns and lowering total lifecycle maintenance costs for drilling equipment.

Full Product Overview

We supply a complete range of precision-manufactured replacement spare parts for critical oilfield drilling and fluid handling equipment, covering mechanical fasteners, sealing components, bearings, gears, diaphragms, sensors, and transmission parts. All parts strictly follow OEM dimensional standards, material specifications, and industry performance benchmarks, with 100% fitment for targeted equipment without modification. Backed by decades of oilfield equipment manufacturing experience and third-party material performance testing, each component passes multi-stage quality inspection before delivery, meeting API standard requirements for oilfield drilling equipment accessories. Exclusive operational data shows our premium spare parts extend continuous service life by 1800 operating hours compared to generic aftermarket parts, with a 42% lower failure rate in high-sand, high-vibration drilling conditions.

Core Function Specifications

These spare parts perform mission-critical functions to keep drilling equipment running reliably: precision bearing sets (including 6207 ZWZ series) support high-speed rotating shafts, reduce friction loss, and stabilize equipment operation under heavy radial and axial loads; multi-specification oil seals, O-rings, and gasket sets block mud, coolant, and lubricant leakage, maintaining stable system pressure and preventing contaminant ingress; piston rod clamps, gear assemblies, and locking rings secure moving components, ensuring precise transmission and alignment; mechanical seals and seal kits deliver long-lasting sealing for centrifugal pumps and mud pumps; temperature sensors enable real-time temperature monitoring to prevent overheating damage; custom fasteners and bolts provide secure, vibration-resistant connections under continuous heavy-duty operation; rubber diaphragms and valve components maintain smooth fluid control and pressure regulation.

Structural & Material Advantages

Every component is designed with oilfield harsh conditions in mind, featuring optimized structural design and industrial-grade premium materials. Rolling bearings use high-carbon chromium bearing steel with precise grinding, offering enhanced impact resistance and extended fatigue life; lip seals and oil seals use high-performance nitrile rubber and fluororubber composites, resisting high-temperature aging, oil corrosion, and mud abrasion; gear components adopt precision forging and quenching treatment, with 178-tooth bull gears delivering stable heavy-load transmission; fasteners use high-strength alloy steel, meeting torque resistance standards for heavy drilling equipment; diaphragm components use thickened wear-resistant rubber, withstanding repeated pressure fluctuations without cracking. All structural dimensions are strictly consistent with OEM drawings, eliminating installation errors and assembly gaps.

Applicable Operating Conditions

These spare parts are suitable for both onshore and offshore oilfield drilling operations, adapting to extreme working conditions: temperature range from -25℃ to 120℃, high-vibration heavy-load continuous drilling, high-sand content mud fluid environments, high-pressure pump systems (up to 31.5MPa), and long-term unattended field operation. Fully compatible with conventional drilling, deep well drilling, and offshore platform drilling scenarios, these parts perform reliably in ZJ-40 rigs, mud pump cooling systems, hydraulic tongs, drawworks, and centrifugal pump assemblies, meeting daily maintenance, emergency repair, and equipment overhaul needs.

We supply the following spare parts:

On-Site Maintenance & Upkeep Recommendations

1. Regular Inspection: Check sealing components for wear, cracks, and hardening every 750 operating hours; inspect bearing temperature and lubrication status weekly, ensuring no abnormal noise or overheating (bearing operating temperature should not exceed 95℃). 2. Lubrication Protocol: Use special high-temperature lithium-based lubricating grease for bearings, avoiding mixed lubrication of different grease types; apply uniform lubricant during seal installation to prevent edge damage. 3. Installation Standards: Follow strict torque specifications for fastener installation, avoiding over-tightening or under-tightening; align components accurately to prevent eccentric wear. 4. Storage Tips: Store spare parts in a dry, dust-free environment, sealed and moisture-proof; avoid prolonged direct sunlight to prevent rubber component aging. 5. Troubleshooting Reminder: Replace sealing parts immediately if fluid leakage occurs; stop equipment promptly if abnormal vibration or noise appears, and replace worn rotating components to avoid secondary damage.

Field Fault Repair Cases (On-Site Verified)

Case 1: Permian Basin, USA – 32SB180J Mud Pump Cooling Pump Bearing Failure

Equipment Model: 32SB180J mud pump cooling pump; Load: Continuous 85% heavy-load operation; Fault: Original 6207 bearing seizing, bearing temperature reaching 108℃, coolant circulation interrupted. Replacement Part: ZWZ 6207 bearing (OD72MM, ID25MM, Thickness17MM). Post-Repair Index: Bearing operating temperature stabilized at 72℃, continuous operation for 2400 hours without failure; Customer Feedback: Resolved repeated bearing failure issues, eliminated unplanned downtime during drilling operations.

Case 2: Shengli Oilfield, China – ZJ-40 Rig Brake Block & Seal Leakage

Equipment Model: ZJ-40 drilling rig; Load: 120-ton drawworks lifting load; Fault: PZ-40-01-05 brake block wear, 16×2.4 O-ring seal leakage causing lubricant loss. Replacement Parts: PZ-40-01-05 brake block, FR-04-01-0084 O-ring. Post-Repair Index: Brake friction coefficient stabilized at 0.42, zero leakage after 1500 operating hours; Customer Feedback: Improved braking safety, eliminated frequent seal replacement workload.

Case 3: North Sea Offshore Platform – ZQ203-100 Hydraulic Tong Screw Failure

Equipment Model: ZQ203-100 hydraulic tong (5 1/2" jaw); Load: High-frequency pipe makeup/breakout operation; Fault: Original fastener loosening caused jaw misalignment, equipment jamming. Replacement Part: 01.135-02B high-strength screw. Post-Repair Index: Fastener torque maintained at 185N·m, 1900 uninterrupted operation cycles; Customer Feedback: Fixed frequent downtime issues, improved offshore operation efficiency.

Frequently Asked Questions (FAQ)

Procurement Guidance & Value Commitment

For oilfield drilling teams seeking reliable, high-performance replacement spare parts, this full product line provides a one-stop procurement solution with clear technical parameters, strict quality control, and field-proven performance. Every component comes with complete technical specifications and quality certification, serving as both a standardized procurement reference and a professional technical troubleshooting guide. We adhere to strict manufacturing and inspection standards, ensuring each part matches your equipment’s technical requirements and delivers consistent performance in harsh oilfield environments. Whether for bulk routine maintenance procurement or small-batch emergency repair replenishment, we provide professional technical support to help you select the correct models, avoid procurement errors, and optimize your equipment spare parts inventory. Invest in these premium spare parts to enhance equipment stability, reduce long-term maintenance costs, and keep your oilfield drilling operations running smoothly and efficiently.

contact us ：

Emeil: [email protected]  

whatsapp: +86 15275658619