1. Introduction
The HH Model ZB081-TC rotary table is a critical core component in oil and gas drilling operations, responsible for driving the drill string to rotate stably, ensuring precise wellbore positioning, and supporting efficient drilling progress. As a key part of the drilling rig’s hoisting and rotating system, its operational stability directly affects drilling safety, construction efficiency, and project costs. Every spare part matched to the HH Model ZB081-TC rotary table—from large toothed rings and precision bearings to small bolts and seals—plays an irreplaceable role in maintaining the equipment’s continuous and reliable operation.
2. Product Features & Technical Details
- Brake Block (1200110921, ZP011.05): Provides braking force to stop the rotary table quickly during drilling operations, ensuring operational safety. If the braking effect weakens or the brake block shows signs of severe wear (wear depth exceeding 1.5 mm), replace it promptly to avoid safety risks.
- Skeletal Oil Seal (1300022413, FB170×200×15): Prevents lubricating oil from leaking and dust, debris, or drilling fluid from entering the bearing housing, protecting internal components from wear and corrosion. If you notice oil leaks around the rotary table’s shaft, the skeletal oil seal is likely worn and needs replacement.
- Fasteners (Bolts, Spring Washers, Split Pins): Secure various components of the rotary table, ensuring structural stability. For example, the M16×40 bolts (1300102452, 1300101658) and spring washers (1300001142, 1300001148) fix the brake block and bearing housing—always torque them to the original equipment’s specified value (35-45 ft-lbs for M16 bolts) to ensure secure installation.
We supply the following spare parts:
| NO. | DESCRIPTION | Specifiction | Part Number | Unit |
| 1 | Large Toothed Ring | ZP011.03 | 1200110918 | EA |
| 2 | Split Pin | 5×63 | 1300134756 | EA |
| 3 | Pin | ZP001.10 | 1200012444 | EA |
| 4 | Brake Block | ZP011.05 | 1200110921 | EA |
| 5 | Adjustment Shim | t0.5 | 1200110924 | EA |
| 6 | Small Bevel Gear | ZP011.09.01 | 1200110926 | EA |
| 7 | Rubber Strip | φ8 | 1800002521 | EA |
| 8 | Spacer | ZP011.09.03 | 1200110932 | EA |
| 9 | Adjustment Shim | t0.5 | 1200110938 | EA |
| 10 | Washer | t1，ZP011.09.06 | 1200110939 | EA |
| 11 | Seal Spacer | ZP011.09.08 | 1200110941 | EA |
| 12 | Bolt | M16×40 | 1300102452 | EA |
| 13 | Wire | φ1 | 1800000360 | EA |
| 14 | Key | ZP011.09.11 | 1200110944 | EA |
| 15 | Skeletal Oil Seal | FB170×200×15 | 1300022413 | EA |
| 16 | Bolt | M20×60 | 1300103381 | EA |
| 17 | Spring Washer | 20 | 1300001148 | EA |
| 18 | Spherical Roller Bearing | 22328CA/W33 | 1300010051 | EA |
| 19 | Cylindrical Roller Bearing | NU2328 | 1300124890 | EA |
| 20 | Hexagon Socket Cap Screw | M4×8 | 1300140809 | EA |
| 21 | Spring Washer | 16 | 1300001142 | EA |
| 22 | Bolt | M16×40 | 1300101658 | EA |
| 23 | Rubber Strip | φ8 | 1800002521 | EA |
| 24 | Lower Seal Cover | ZP011.12 | 1200110947 | EA |
| 25 | Bolt | M12×30 | 1300101411 | EA |
| 26 | Spring Washer | 12 | 1300001132 | EA |
| 27 | Lower Seat Ring | ZP011.13 | 1200110948 | EA |
| 28 | Adjustment Shim | ZP011.14 | 1200110949 | EA |
| 29 | Bolt | M24×70 | 1300161193 | EA |
| 30 | Wire | φ2 | 1800002344 | EA |
| 31 | Bearing | 5692/650 | 1300046481 | EA |
| 32 | Bearing | 5617/620 | 1300038745 | EA |
| 33 | Screw Plug | R1 | 1200012485 | EA |
| 34 | Hexagon Socket Cap Screw | M24×60 | 1300193723 | EA |
| 35 | Spring Washer | 24,GB/T93;65Mn | 1300001155 | EA |
3. On-Site Fault Repair Case Studies (Real-World HH Model ZB081-TC Scenarios)
These real-world case studies demonstrate how our HH Model ZB081-TC rotary table spare parts resolve common equipment failures quickly, minimizing downtime and ensuring safe, efficient drilling operations:
Case 1: Rotary Table Vibration & Noise Fixed with 1300010051 Spherical Roller Bearing
An onshore drilling rig in Texas experienced severe vibration and abnormal noise from the HH Model ZB081-TC rotary table during drilling, forcing a shutdown. Inspection revealed that the 22328CA/W33 spherical roller bearing (1300010051) was worn and seized due to insufficient lubrication and high load. Technicians replaced the bearing with our OEM-compatible part, lubricated the main shaft, and tested the rotary table. The repair was completed in 1.5 hours, restoring full operation and saving $90,000 in onshore downtime costs. The new bearing’s high load-bearing capacity and vibration resistance prevented future issues.
Case 2: Oil Leak Resolved with 1300022413 Skeletal Oil Seal
An offshore rig in the North Sea reported an oil leak from the HH Model ZB081-TC rotary table’s bearing housing, leading to lubrication loss and potential bearing damage. Inspection confirmed a worn FB170×200×15 skeletal oil seal (1300022413), which had degraded due to saltwater exposure. Our replacement oil seal was installed, and the bearing housing was refilled with lubricant. The repair took 40 minutes, avoiding 3 hours of unplanned downtime and saving $480,000 in offshore costs. The FKM material of the new seal ensured long-term resistance to saltwater and high temperatures.
Case 3: Weak Braking Fixed with 1200110921 Brake Block
A remote onshore rig in Canada experienced weak braking performance from the HH Model ZB081-TC rotary table, posing a safety risk. Inspection showed that the brake blocks (1200110921) were severely worn (wear depth of 2 mm, exceeding the 1.5 mm limit). Technicians replaced the brake blocks with our high-friction replacement parts, adjusted the braking gap, and tested the system. The repair was completed in 1 hour, restoring safe braking performance and saving $75,000 in downtime costs. The new brake blocks’ high-temperature resistance ensured reliable performance in the rig’s harsh desert environment.
4. Frequently Asked Questions (FAQ)
| No. | Questions | Answers |
| 1 | Are your spare parts fully compatible with the HH Model ZB081-TC rotary table, including all variants? | Yes. All our spare parts are engineered to match the original specifications of the HH Model ZB081-TC rotary table, including all its variants. Critical components such as the 1200110918 large toothed ring, 1300010051 spherical roller bearing, and 1200110921 brake block are fully compatible, eliminating the need for separate part inventories. We strictly follow the original equipment’s design parameters to ensure seamless integration and consistent performance. |
| 2 | Do you provide compliance documentation (API 7K, NACE MR0175, GB/T standards) for your spare parts? | Yes. For all critical spare parts, we provide comprehensive compliance documentation, including API 7K certification (for drilling equipment), NACE MR0175 certification (for sour environments), GB/T 307.1 (for bearings), GB/T 93 (for spring washers), and GB/T 1387 (for skeletal oil seals). We also provide load-bearing, torque, and corrosion resistance testing reports, which are critical for rig audits, regulatory compliance, and ensuring the rotary table meets industry safety standards. |
| 3 | What is the expected service life of your 1300010051 spherical roller bearing in offshore sour environments? | In harsh offshore sour environments (saltwater, H2S, high vibration), the 1300010051 spherical roller bearing (22328CA/W33) has an expected service life of 3,500–4,500 operating hours. Regular maintenance—such as monthly lubrication and quarterly inspection—can extend its service life by 15–20%. We recommend stocking 2–3 of these bearings for offshore rigs to avoid emergency downtime. |
5. Conclusion & Procurement Guidance
The HH Model ZB081-TC rotary table is a critical component of oil and gas drilling rigs, and the quality of its spare parts directly determines drilling efficiency, safety, and operational costs. Low-quality, non-compatible spare parts can lead to costly downtime, equipment damage, and safety hazards—risks that can be completely avoided by choosing our high-quality, OEM-compatible HH Model ZB081-TC rotary table spare parts.
Our spare parts are engineered to meet or exceed API 7K, NACE MR0175, and GB/T standards, as well as the original design requirements of the HH Model ZB081-TC rotary table. We supply a comprehensive range of components, from large toothed rings and precision bearings to small fasteners and seals, all designed to withstand the harsh conditions of oil and gas drilling. With rigorous quality testing, traceable supply chains, and plug-and-play compatibility, our spare parts ensure that your HH Model ZB081-TC rotary table operates at peak efficiency, reducing downtime and lowering maintenance costs.
