1. Product Introduction

This comprehensive swivel parts assortment features cross-referenced OEM part numbers for all listed swivel models, sourced from certified manufacturing facilities to match original equipment specifications for material composition, dimensional tolerance, and load-bearing capacity. Each component is rigorously tested for hardness, pressure resistance, and wear performance to ensure seamless integration with existing swivel assemblies, eliminating the need for custom modifications or rework. Covering stems, bearings, seals, gaskets, fasteners, bail pins, and lubrication fittings, this parts list caters to every repair and maintenance need for the full lineup of targeted drilling swivels, making it a one-stop procurement solution for oilfield maintenance crews.
2. Functional Capabilities
- Load & Torque Support: Precision-machined stems, main bearings, and thrust bearings handle extreme axial and radial loads, maintaining smooth swivel rotation under high drilling torque (up to 60,000 ft-lbs) without binding or warping.
- Leak Prevention & Sealing: High-performance oil seals, O-rings, and gaskets create a zero-leak barrier for drilling fluid and lubricant, preventing contamination and pressure loss in high-pressure drilling environments.
- Structural Stability: Alignment retainers, bail pins, and heavy-duty studs with flex-loc nuts ensure rigid swivel assembly, reducing vibration and extending the service life of internal rotating components.
- Lubrication Management: Alemite grease fittings and seal spacers enable consistent lubrication delivery, minimizing friction and preventing premature wear of bearing and bushing surfaces.
3. Structural & Material Features
- High-Strength Alloys: Load-bearing parts (stems, bearings, bail pins) are forged from heat-treated alloy steel with a hardness rating of HRC 28-32, resisting impact, abrasion, and fatigue failure.
- Chemical-Resistant Elastomers: Seals and O-rings use oil-resistant nitrile and fluoroelastomer compounds, compatible with all drilling mud types and lubricants, with a temperature tolerance range of -50°F to 250°F.
- Precision Machining: Tight dimensional tolerances (±0.001 inches) ensure perfect fit within swivel housings, eliminating play and reducing rotational friction.
- Corrosion Protection: All metal components feature a protective zinc plating or black oxide finish, resisting saltwater corrosion and rust for offshore and coastal drilling applications.
4. Applicable Operating Conditions
These swivel replacement parts are validated for use in the most demanding oilfield drilling scenarios, fully compatible with the targeted swivel models for:
- Onshore land drilling rigs, offshore jack-up rigs, semi-submersibles, and drillships
- High-pressure drilling operations (up to 10,000 PSI working pressure)
- Harsh environments with salt spray, drilling mud contamination, and extreme temperature fluctuations
- Continuous 24-hour drilling cycles and heavy-duty workover operations
- Compliance with API 8C, ISO 10424, and industry-leading oilfield equipment standards
5. Maintenance & Service Recommendations
- Routine Inspection: Inspect seals, bearings, and O-rings every 500 drilling hours for signs of wear, leakage, or deformation; replace damaged parts immediately to avoid catastrophic failure.
- Lubrication Protocol: Regrease bearings and fittings via Alemite grease points every 200 operating hours using high-temperature drilling grease to maintain lubrication film integrity.
- Fastener Torque Checks: Verify stud and nut torque (350-400 ft-lbs for 3/4″ N.C flex-loc nuts) monthly to prevent loosening from vibration.
- Overhaul Schedule: Conduct full swivel teardown and replacement of bearings, seals, and gaskets every 2,000 drilling hours to restore peak performance and extend swivel service life.
We supply the following spare parts:
| Description | Vendor Description | |
| 1 | STEM, Ref. Mat.: 531-02 | Piece |
| 2 | BEARING, IB-631 | Piece |
| 3 | SEAL,OIL I0-305 | Piece |
| 4 | GASKET, 531-05 | Piece |
| 5 | BEARING,MAIN IB-432 | Piece |
| 6 | BEARING,THRUST 18-411 | Piece |
| 7 | UPPER ALIGNMENT BEARING RETAINER 531-06 | Piece |
| 8 | GASKET, 531-07 | Piece |
| 9 | STUD W/3/4″ N.C FLEX-LOC NUT (Tl-200) 339-HB | Piece |
| 10 | PIN, BAIL 531-10 | Piece |
| 11 | GREASE ALEMITE IF-117 | Piece |
| 12 | SEAL,SPACER 531-17 | Piece |
| 13 | STEM Ref. Mat.: 654311 | Piece |
| 14 | BUSHING, Ref. Mat.: 607308-A | Piece |
| 15 | SEAL,OIL LOWER NATIONAL 415227 Ref. Mat.: YS-10501 | Piece |
| 16 | SPACER,OIL SEAL Ref. Mat.: M-624509 | Piece |
| 17 | PIN, BAIL Ref. Mat.: 654335 | Piece |
| 18 | O’RING Ref. Mat.: 7817600-346 | Piece |
| 19 | BEARING,UPPER REF ZJ-7OO6 SWIVEL P-2OO Ref. Mat.: ZT-7006 | Piece |
| BEARING,UPPER REF ZT-7006 NATIONAL SWIVEL P-200 | ||
| 20 | BEARING Ref. Mat.: ZB-10750 | Piece |
| 21 | GAGE, OIL Ref. Mat.: 649354-A | Piece |
| 22 | BEARING ,MAINTHRYST Ref. Mat.: ZB-8120 | Piece |
| 23 | O’RING ,SEAL . Ref. Mat.: 624511 | Piece |
| 24 | O’RING Ref. Mat.: 7817600-432 | Piece |
| 25 | SEAL ,OIL LOWER . Ref. Mat.: YS-7622 | Piece |
| 26 | BEARING,LOWER RADIAL. Ref. Mat.: ZA-6870 | Piece |
Field Failure Repair Cases (On-Site Drilling Scenarios)
Case 1: TL-200 Swivel Main Bearing Failure (IB-432)
A land drilling rig experienced excessive swivel vibration and rotational friction on a TL-200 swivel, caused by worn main bearings (IB-432). Replacing the faulty bearings eliminated vibration, restored smooth rotation, and prevented potential damage to the swivel stem. Repair was completed in 2 hours with zero compatibility issues.
Case 2: P-500 Swivel Lower Oil Seal Leak (YS-10501)
An offshore rig reported persistent drilling fluid leakage from the lower seal of a National P-500 swivel, leading to lubricant contamination. Swapping the worn YS-10501 oil seal resolved the leak, restored pressure containment, and avoided unplanned rig downtime for full swivel replacement.
Case 3: P-300 Swivel Lower Radial Bearing Wear (ZA-6870)
A workover rig noticed uneven swivel rotation and premature seal wear on a P-300 swivel, traced to damaged lower radial bearings (ZA-6870). Installing new OEM-grade bearings corrected alignment, reduced friction, and extended the life of adjacent seal components, returning the swivel to full operating capacity.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible only with the listed swivel models (TL-200, P-500, etc.)? | Yes, these components are designed exclusively for IDEC0 TL-200, National P-500/P-400/P-200, NOV P-650/P-750, and P-300 swivels, with OEM-matched dimensions and part numbers to guarantee perfect fit; not recommended for other swivel models. |
| Do these swivel parts meet industry drilling standards? | All parts comply with API 8C standards for drilling equipment, using certified materials and manufacturing processes to withstand heavy-duty oilfield loads and harsh operating conditions. |
| Can I order individual parts instead of full kit quantities? | Absolutely, each component (bearings, seals, stems, fasteners) is available for individual purchase, with flexible quantity options to match targeted repairs, routine maintenance, or full swivel overhauls. |
Procurement Guidance & Call to Action
For drilling operators and maintenance teams focused on minimizing swivel-related downtime, reducing repair costs, and maintaining compliance with oilfield equipment standards, these OEM-grade swivel replacement parts are the definitive solution. Each part is backed by strict quality verification, complete technical specifications, and cross-referenced OEM part numbers to simplify procurement and ensure flawless installation. Whether you need a single seal or bearing for an emergency repair, or bulk quantities for scheduled swivel overhauls, this parts list provides the exact components needed to keep your TL-200, P-series, and NOV swivels operating at peak efficiency.