SPQ121-66 Radial Bearing, LT410.8.2.2 700 Type Oil Guide Liner

Product Introduction

We specialize in the production and supply of high-precision, OE-compatible spare parts for onshore drilling rigs, mud pumps, winch assemblies, transmission boxes, cementing hydraulic systems, torque converters, and supporting power transmission, braking, steering, and well completion components. Our product range covers core components such as LT410.8.2.2 Type 700 Oil Guide Liner for Transmission Box Control System, SPQ121-66 radial bearing, Cylinder plunger SNC-400 Valve body 3PC-270, Air pipeline and XJ-120 air guide NYLC-11-10, and more than 45 other key parts listed. All our products are precision-engineered to match specific equipment models, including XJ series (XJ-80, XJ90Z, XJ120, XJ250, XJ40, XJ450, XJ550, XJ650), F-series (F-1000, F-1600), SPQ121-66 equipment, SNC series (SNC-400, SNC35-12), GJC series (GJC70-30Ⅱ), QZB50-13 metering device, 400 type Mercedes-Benz double machine double pump cement truck, and QST140-J pneumatic test bench—directly addressing the core operational needs of target users for reliable, compatible, and durable drilling equipment spare parts.

Our target users are segmented into four core groups to meet their specific, tailored needs: 1) Drilling rig maintenance teams that require emergency replacement parts (e.g., oil guides, bearings, oil seals, repair kits) to repair rig systems, minimizing unplanned downtime; 2) Oilfield operation companies that need full-set spare parts (e.g., valve bodies, friction plates, overshots, grading hoops) to maintain daily drilling, cementing, well completion, and well control operations; 3) Drilling equipment rental companies that prioritize long-service-life components (e.g., air bags, fan belts, turbine box filters) to reduce replacement costs and enhance fleet availability; 4) Cementing and well completion operators that need compatible parts (e.g., seat adapter kits, milling shoes, floating hoop shoes) to ensure equipment efficiency and operational safety. We solve the industry’s common pain points of low-quality, mismatched replacement parts—such as poor fit, sealing failure, hydraulic/air leakage, bearing wear, and component premature damage—which often lead to increased operational costs, drilling project delays, and safety hazards.

Core Purpose

The core purpose of our full range of drilling equipment spare parts (including SPQ121-66 Radial Bearing, LT410.8.2.2 700 Type Oil Guide Liner, 3PC-270 SNC-400 Valve Body, and NYLC-11-10 XJ-120 Air Guide) is to provide 100% OE-compatible, high-performance replacements that ensure the safe, stable, and efficient operation of drilling rigs, mud pumps, hydraulic systems, and supporting power transmission components. Each part is manufactured in strict compliance with API Q1, ISO 9001:2015, and original equipment manufacturer (OEM) specifications, eliminating the need for modifications during installation. Our parts support the normal operation of key drilling functions—including transmission (oil guide liners, copper linings), braking (friction discs, brake pads, brake drum bolts), fluid control (valve bodies, overflow valves), well completion (milling shoes, overshots, grading hoops), and power supply (air compressors, oil filters)—helping users reduce maintenance time, lower replacement costs, avoid unplanned downtime, and ensure compliance with oilfield operational safety standards.

Function Description

Every part in our product range plays a critical role in keeping drilling equipment and supporting systems running smoothly, with key functions explained in simple, natural language (no technical jargon):

• SPQ121-66 Radial Bearing: A core rotating component of SPQ121-66 drilling equipment, supporting the rotating shaft to reduce friction during operation, ensuring smooth and stable movement of the equipment’s mechanical parts.

• LT410.8.2.2 Type 700 Oil Guide Liner for Transmission Box Control System: Guides and distributes lubricating oil within the 700-type transmission box control system, ensuring all moving components are properly lubricated to reduce wear and extend the transmission box’s service life.

• Cylinder plunger SNC-400 Valve body 3PC-270: Controls the flow and pressure of hydraulic fluid in the SNC-400 cylinder plunger system, ensuring precise operation of the cylinder and supporting the stable performance of cementing or drilling equipment.

• Air pipeline and XJ-120 air guide NYLC-11-10: Guides compressed air through the XJ-120 drilling rig’s air pipeline, ensuring stable air supply to pneumatic components (e.g., air clutches, air control valves) for reliable operation.

• Other Key Parts: Components like MWB 9-5/8″ Seat Adapter Kit (for well completion), T52-6005K F-1600 center rod bolt (for hydraulic box stability), LT118.5.2.15.00 700 valve assembly (for fluid control), and SCP-XJ650 XJ650 disc brake pads (for braking) work together to ensure the coordinated, safe operation of the entire drilling system.

Structural Features

General Structural Advantages

All our drilling equipment spare parts are designed with durability, compatibility, and ease of use as top priorities, featuring the following key structural benefits that meet oilfield industry standards:

• High-Quality Material Selection: Sealing components (PD140*170*16mm Z15-05-01 special oil seal, PG105*130*14mm XJ250 oil seal, 80*5.7 XJ450 O-ring) use high-temperature, oil-resistant, and pressure-resistant rubber/PTFE materials to ensure tight sealing and long service life. Structural parts (SPQ121-66 radial bearing, LT410.8.2.2 oil guide liner, Z47 XJ450 output sprocket) are made of high-grade alloy steel or copper to enhance hardness, wear resistance, and load-bearing capacity. Friction components (LT700*135DY air clutch friction plate, G301.52.8 XJ550 friction disc, SCP-XJ650 brake pads) use high-density friction materials for strong performance, while well completion parts (milling shoes, overshots) use wear-resistant, corrosion-resistant materials for wellbore compatibility.

• Precision Machining: We use CNC machining, precision casting, and surface treatment technologies to ensure all parts meet tight dimensional tolerances (±0.02mm for key dimensions), so they fit perfectly with OEM equipment. For example, Z02030900001XL XJ-650 steering power cylinder repair kit, 15PK*1845 QZB50 XJ450 fan belt, and FLF-C160 turbine box filter assembly have precise dimensions to ensure seamless installation and stable operation.

• Wear & Corrosion Resistance: Critical components (radial bearings, friction plates, valve bodies) are treated with carburizing, nitriding, or anti-corrosion coatings to enhance wear and corrosion resistance. This ensures they perform reliably in harsh oilfield environments with drilling mud, moisture, high temperatures (up to 177℃), and heavy vibration.

• Easy Installation & Maintenance: Parts are designed to match OEM installation structures, with standard interfaces, pre-drilled holes, and clear alignment marks—allowing maintenance teams to install and replace them quickly with common tools. For example, Z02030900001XL steering power cylinder repair kit, FLF-C160 turbine box filter assembly, and TU-FL1000 XJ40 air compressor assembly can be installed in minutes to hours without special equipment.

Key Part-Specific Structural Features

• SPQ121-66 Radial Bearing: High-precision rolling elements with a durable outer and inner ring, designed to withstand heavy loads and high rotational speeds. It features a sealed design to prevent dust and drilling mud from entering, ensuring long-term reliable operation.

• LT410.8.2.2 Type 700 Oil Guide Liner for Transmission Box Control System: Precision-machined inner surface for smooth oil flow, with a corrosion-resistant coating to adapt to transmission oil. It is designed to fit perfectly with the 700-type transmission box, ensuring efficient oil distribution and lubrication.

• Cylinder plunger SNC-400 Valve body 3PC-270: Robust alloy steel construction for high pressure resistance, with precise internal channels to control fluid flow accurately. It features a wear-resistant seat to ensure tight sealing and long service life in high-pressure hydraulic systems.

Applicable Working Conditions

Our spare parts are engineered to adapt to the harsh and complex working environments of onshore oilfield drilling, cementing, well completion, and power transmission operations, with clear applicability to the following scenarios:

• XJ Series Drilling Rigs: Suitable for XJ-80, XJ90Z, XJ120, XJ250, XJ40, XJ450, XJ550, and XJ650 drilling rigs, including parts like NYLC-11-10 XJ-120 air guide, LXZS-400*30F XJ-120 oil filter, CAT3306 XJ450 suspension bridge air bag, and SCP-XJ650 XJ650 disc brake pads—optimized for the rigs’ power, hydraulic, braking, and air systems.

• F-Series & Hydraulic Box Equipment: Compatible with F-1000/F-1600 hydraulic boxes (AH33001-05.24.00 F-1000 clamp assembly, T52-6005K F-1600 center rod bolt, PSH-11 F-1600 hand pump), supporting the stable operation of hydraulic and mechanical components.

• SPQ121-66 & Winch Assemblies: Suitable for SPQ121-66 drilling equipment (radial bearing, rotating assembly) and XJ-40 winch assemblies (FP-L6 overwind anti-collision valve), ensuring smooth operation of rotating and winch components.

• Cementing & Power Systems: Compatible with GJC70-30Ⅱ cementing hydraulic systems (3800200005 pressure gauge), SNC series (SNC-400 valve body, SNC35-12 gear oil pump), 400 type Mercedes-Benz cement trucks (FLF-C160 turbine box filter), and XJ450 power systems (15PK*1845 fan belt, IXY1980043 fuel check valve).

• Well Completion & Drilling Tools: Suitable for well completion operations with parts like MWB 9-5/8″ seat adapter kit, TX 10-3/4″ FJWP milling shoes, SL-KTCLT 28*25 sucker rod overshot, YFZ-A 7″ mechanical grading hoop, and 13-3/8″ PDCDrillableFloat floating hoop shoes—ensuring efficient and reliable well completion work.

• Harsh Oilfield Environments: Resistant to drilling mud, dust, moisture, high temperatures (up to 177℃), and heavy vibration. Parts like SPQ121-66 radial bearing, LT700*135DY air clutch friction plate, and 20″ 35CrMnMo quick change wire perform reliably in these conditions for long periods.

Maintenance and Care Recommendations

Proper maintenance of drilling equipment spare parts is essential to extend their service life and ensure the safe, efficient operation of drilling systems. Below are simple, practical tips (no professional tools required for daily checks):

Routine Inspection (Daily/Weekly)

• Check sealing components (PD140*170*16mm oil seal, PG105*130*14mm oil seal, 80*5.7 O-ring) daily for leakage. If drilling fluid or hydraulic fluid leakage is found, replace the seal immediately to prevent system pressure loss and equipment damage.

• Inspect bearings (SPQ121-66 radial bearing), friction components (LT700*135DY friction plate, G301.52.8 friction disc), and air bags (CAT3306 XJ450 air bag) weekly for wear, cracks, or deformation. Replace damaged parts to ensure reliable operation.

• Check filters (LXZS-400*30F XJ-120 oil filter, 295101910 XJ450 torque converter oil filter, FLF-C160 turbine box filter) weekly for clogging. Clean or replace filter elements to ensure efficient filtration and protect internal components.

Cleaning and Lubrication (Monthly)

• Clean radial bearings (SPQ121-66), valve bodies (3PC-270), and well completion tools (milling shoes, overshots) monthly to remove drilling mud and debris. Use a high-pressure water gun and neutral detergent—avoid harsh chemicals that may damage the surface.

• Lubricate radial bearings (SPQ121-66), transmission components (LT410.8.2.2 oil guide liner), and gear oil pumps (G3/8 SNC35-12) with high-temperature, anti-wear lubricating grease or oil. Apply lubricant evenly to all moving surfaces to reduce friction and wear.

• Clean air guides (NYLC-11-10), air compressor assemblies (TU-FL1000), and quick change wires (20″ 35CrMnMo) monthly to remove deposits and ensure smooth air/fluid flow. Inspect connections for looseness and tighten if needed to prevent leakage.

Storage Requirements (Long-Term Storage)

• Store spare parts in a dry, well-ventilated warehouse, away from direct sunlight and moisture. Use waterproof covers for metal components (radial bearings, valve bodies, sprockets) to prevent rust or corrosion.

• Store sealing components (oil seals, O-rings) and rubber parts (air bags, fan belts) in sealed plastic bags at room temperature (15-25℃) to avoid aging. Do not store them near high-temperature or ozone-generating equipment.

• Store repair kits (Z02030900001XL steering power cylinder repair kit), filters, and small parts (bearings, bolts) in labeled boxes to ensure easy retrieval. Keep well completion tools (seat adapter kits, floating hoop shoes) in clean, dry packaging to prevent contamination.

We supply the following spare parts:

On-Site Fault Repair Cases (Real Scenarios)

Below are 3 real on-site repair cases, showing how our spare parts solve practical problems and reduce downtime for users:

Case 1: Radial Bearing (SPQ121-66) Replacement for SPQ121-66 Drilling Equipment

Fault Description: An SPQ121-66 drilling auxiliary equipment experienced abnormal noise and unstable rotation during operation. The maintenance team identified that the original SPQ121-66 radial bearing was worn, causing increased friction and poor rotation performance.

Repair Process: The team replaced the worn bearing with our SPQ121-66 Radial Bearing. They removed the old bearing, installed the new one, applied lubricating grease, and tested the equipment’s rotation performance.

Result: The abnormal noise disappeared, and the equipment resumed smooth, stable rotation. The SPQ121-66 equipment was back to safe use within 1.5 hours. Our bearing’s high-precision design has maintained stable performance for 9 months, ensuring reliable operation of the drilling auxiliary equipment.

Case 2: Oil Guide Liner (LT410.8.2.2 700 Type) Replacement for Transmission Box Control System

Fault Description: A 700-type transmission box control system experienced increased wear and abnormal noise, with poor lubrication of internal components. The maintenance team found that the original LT410.8.2.2 oil guide liner was damaged, leading to uneven oil distribution and insufficient lubrication.

Repair Process: Our LT410.8.2.2 Type 700 Oil Guide Liner was used to replace the damaged one. The team disassembled the transmission box, removed the old liner, installed the new one, refilled with lubricating oil, and tested the transmission box’s operation.

Result: The transmission box resumed smooth operation, with reduced wear and no abnormal noise. The lubrication system worked efficiently, and the equipment was back to normal operation within 3 hours. Our oil guide liner’s precision design has maintained reliable oil distribution for 8 months, extending the transmission box’s service life.

Case 3: Valve Body (3PC-270) Replacement for SNC-400 Cylinder Plunger System

Fault Description: An SNC-400 cylinder plunger system experienced unstable hydraulic pressure and poor fluid control, affecting the cementing equipment’s performance. The maintenance team identified that the original 3PC-270 valve body was worn, causing fluid leakage and pressure loss.

Repair Process: The team replaced the faulty valve body with our Cylinder plunger SNC-400 Valve body 3PC-270. They removed the old valve body, installed the new one, adjusted the fluid flow, and tested the cylinder plunger system’s performance.

Result: The hydraulic pressure stabilized, and the fluid control function was fully restored. The cementing equipment resumed efficient operation, and it was back to work within 2 hours. Our valve body’s high-pressure resistance and precise design have maintained reliable performance for 7 months, ensuring smooth cementing operations.

FAQ (Frequently Asked Questions)

Procurement & Technical Reference Standards

Procurement Reference Standards (For Easy Purchasing)

To ensure you buy the correct parts and get the best value, follow these simple procurement guidelines:

• Confirm Part Details: Provide the exact part name, model, and equipment compatibility (e.g., SPQ121-66 radial bearing, LT410.8.2.2 oil guide liner for 700-type transmission box, 3PC-270 valve body for SNC-400) when placing an order. If you don’t have the full details, share a photo of the old part or equipment model, and we will help you match the correct part.

• Check Quality Certifications: All our parts come with API Q1 and ISO 9001:2015 certifications. We can provide material test reports (MTR) and quality inspection certificates upon request, ensuring you get high-quality, reliable products that meet oilfield industry standards.

• Bulk Order Benefits: For regular customers or large orders (e.g., bulk bearings, seals, filters), we offer competitive pricing and customized stock solutions to meet your long-term operational needs, reducing your overall procurement costs.

Technical Problem Reference Standards (For Troubleshooting)

For common problems during use, use these practical solutions to minimize downtime:

• Abnormal Noise/Rotation in SPQ121-66 Equipment: If the SPQ121-66 equipment has abnormal noise or unstable rotation, check the SPQ121-66 radial bearing for wear. Replace the bearing to restore smooth, stable operation.

• Transmission Box Wear/Noise: If the 700-type transmission box has increased wear or abnormal noise, check the LT410.8.2.2 oil guide liner for damage. Replace the liner to ensure even oil distribution and proper lubrication.

• Unstable Hydraulic Pressure in SNC-400 System: If the SNC-400 cylinder plunger system has unstable hydraulic pressure, check the 3PC-270 valve body for wear or leakage. Replace the valve body to restore precise fluid control and stable pressure.

Conclusion & Procurement Guidance

Our full range of drilling equipment spare parts—including SPQ121-66 Radial Bearing, LT410.8.2.2 700 Type Oil Guide Liner, 3PC-270 SNC-400 Valve Body, and NYLC-11-10 XJ-120 Air Guide—are designed to solve your core operational challenges: unplanned downtime, high replacement costs, and incompatible parts. With strict quality control, precision manufacturing, and 100% OEM compatibility, our parts ensure your XJ/ZJ series drilling rigs, F-series hydraulic boxes, SPQ121-66 equipment, and supporting systems run safely, stably, and efficiently in even the harshest oilfield environments.

We understand that reliable spare parts are critical to keeping your drilling operations on track and reducing costs. Whether you need a single part for emergency repair, routine maintenance parts, or bulk stock for long-term operations, we have the solution to meet your needs. Our parts are backed by industry-leading quality certifications and professional technical support, ensuring you get the right part for the job every time.

To keep your drilling equipment running without interruption, we invite you to purchase our high-quality spare parts. Simply provide the part details you need (e.g., SPQ121-66, LT410.8.2.2, 3PC-270) or your equipment specifications, and we will provide you with competitive pricing and reliable supply solutions. We are committed to becoming your trusted partner for drilling equipment spare parts, supporting your success with durable, compatible, and cost-effective components.

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Emeil: [email protected]   whatsapp: +86 15275658619

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