Product Introduction

This comprehensive SB5 X 6FJ centrifugal pump spare parts collection covers all critical wear, structural, sealing, and transmission components, featuring precision-manufactured parts with dedicated part numbers (SB56FJ series). Crafted from high-grade industrial materials—including hardened alloy shafts, wear-resistant cast iron casings, corrosion-proof mechanical seals, and high-speed precision bearings—each component undergoes 100% dimensional inspection, pressure testing (1.5x rated working pressure), and wear-cycle validation to match original equipment performance. This parts list serves as a definitive sourcing and technical reference, eliminating cross-referencing errors and ensuring teams can quickly source exact replacements for both minor repairs and full pump teardowns.
Key Functional Specifications
- Hydraulic Efficiency Restoration: Precision-machined impeller (SB56FJ0002) and casing (SB56FJ0001) restore rated flow rate and head pressure to 100% factory specs, eliminating efficiency loss from worn hydraulic components
- Leak-Proof Sealing Performance: Mechanical seals, oil seals, and O-rings provide zero-leakage sealing for fluids ranging from clean water to abrasive slurries, with a temperature resistance range of -25°C to 130°C
- Stable Shaft & Bearing Operation: High-precision bearings (SB56FJ0012, SB56FJ0017) reduce radial vibration to below 2.2mm/s, supporting 22,000+ continuous operating hours with proper lubrication
- Wear & Corrosion Resistance: Hardened shaft sleeves and carbon-enhanced sealing components cut abrasive wear rates by 45% compared to generic aftermarket parts
- Quick Installation Design: Pre-sized fasteners, keys, and pins enable tool-aligned assembly, reducing on-site repair downtime by up to 65%
Structural Design Features
- OEM-Matched Dimensional Accuracy: Every part follows the original SB5 X 6FJ pump engineering drawings, requiring no modifications or custom fitting for installation
- Modular Component Layout: Separable sealing, bearing, and fastener assemblies allow targeted part replacement without full pump disassembly
- Anti-Loosening Fastening System: Spring washers, lock nuts, and lock washers prevent fastener disengagement under high-vibration drilling and industrial conditions
- Reinforced Wear Zones: High-friction areas (shaft surfaces, impeller blades, seal seats) feature enhanced material thickness for extended durability
- Protective Enclosure Design: Inboard/outboard covers and bearing housings shield internal components from dust, debris, and fluid contamination
Applicable Operating Conditions
These SB5 X 6FJ pump spare parts are certified for use in heavy-duty industrial and drilling environments, optimized for the following operating parameters:
- Onshore/offshore drilling rigs (mud circulation, drilling fluid transfer, water displacement)
- Mining operations, construction sites, and industrial wastewater treatment facilities
- Chemical and slurry fluid handling systems with moderate abrasiveness
- Operating temperature range: -25°C to 130°C; working pressure rating: up to 1.8MPa
- Continuous and intermittent heavy-duty operation in high-vibration, high-dust environments
Maintenance & Troubleshooting Best Practices
- Routine Visual Inspection (Every 600 Operating Hours): Check for seal leaks, fastener loosening, and abnormal noise; tighten studs, bolts, and nuts to factory torque specifications (14-18 Nm for main fasteners)
- Preventive Wear Part Replacement (Every 2500 Operating Hours): Replace paper gaskets, oil seals, and packing to prevent sudden leakage failures; refresh bearing grease with high-temperature lithium-based lubricant
- Bearing & Shaft Care: Inspect shaft sleeve wear monthly; replace bearings if vibration or overheating occurs to avoid catastrophic shaft damage
- Sealing System Maintenance: Replace O-rings and gaskets whenever the pump is disassembled; clean sealing surfaces to ensure a tight, leak-proof fit
- Fastener & Hardware Checks: Inspect spring washers and lock washers for fatigue damage quarterly; replace worn hardware to maintain structural integrity
- We supply the following spare parts:
| SL NO | DESCRIPTION | PART NO |
| Model (SB5 X 6FJ) | ||
| 1 | Case -JC | SB56FJ0001 |
| 2 | Impeller -J | SB56FJ0002 |
| 3 | Paper gasket | SB56FJ0003 |
| 4 | Stud | SB56FJ0004 |
| 5 | Nuts | SB56FJ0005 |
| 6 | Spring washer | SB56FJ0006 |
| 7 | Cover of seal | SB56FJ0007 |
| 8 | Cover inboard | SB56FJ0008 |
| 9 | Paper gasket | SB56FJ0009 |
| 10 | Oil seal | SB56FJ0010 |
| 11 | Oil seal | SB56FJ0011 |
| 12 | Bearing | SB56FJ0012 |
| 13 | Oil cover | SB56FJ0013 |
| 15 | Bearing house | SB56FJ0015 |
| 16 | O -ring | SB56FJ0016 |
| 17 | Bearing | SB56FJ0017 |
| 18 | O – ring | SB56FJ0018 |
| 19 | Grease cup | SB56FJ0019 |
| 20 | Lock nut | SB56FJ0020 |
| 21 | Lock washer | SB56FJ0021 |
| 22 | Cover out board | SB56FJ0022 |
| 23 | Oil seal | SB56FJ0023 |
| 24 | Shaft -JC | SB56FJ0024 |
| 25 | Screw bolts | SB56FJ0025 |
| 26 | Nuts | SB56FJ0026 |
| 27 | Spring washer | SB56FJ0027 |
| 28 | Screw bolts | SB56FJ0028 |
| 29 | Spring washer | SB56FJ0029 |
| 30 | Oil gauge | SB56FJ0030 |
| 31 | plug | SB56FJ0031 |
| 32 | Slinger | SB56FJ0032 |
| 33 | Plug | SB56FJ0033 |
| 34 | Gland bolt | SB56FJ0034 |
| 35 | Nuts | SB56FJ0035 |
| 36 | Washer | SB56FJ0036 |
| 37 | Screw bolts | SB56FJ0037 |
| 38 | Washer | SB56FJ0038 |
| 39 | Packing gland set | SB56FJ0039 |
| 40 | O -ring | SB56FJ0040 |
| 41 | packing | SB56FJ0041 |
| 42 | pin | SB56FJ0042 |
| 43 | Sleeve shaft | SB56FJ0043 |
| 44 | Mechanical seal | SB56FJ0044 |
| 45 | Cover | SB56FJ0045 |
| 46 | Screw bolts | SB56FJ0046 |
| 47 | Spring washer | SB56FJ0047 |
| 48 | Key | SB56FJ0048 |
| 49 | Key | SB56FJ0049 |
SB5 X 6FJ pump parts list
Field Fault Repair Cases (Real On-Site Scenarios)
Case 1: Mechanical Seal Leakage & Fluid Loss
Field Scenario: An onshore drilling rig’s SB5 X 6FJ pump experienced severe fluid leakage at the seal assembly, leading to reduced pump output and material waste.
Root Cause: Worn mechanical seal (SB56FJ0044) and damaged shaft sleeve (SB56FJ0043) caused seal face misalignment and pressure loss.
Resolution: Replaced the mechanical seal and shaft sleeve; re-aligned the pump shaft and pressure-tested the assembly. Leakage was fully resolved, and rated pump performance was restored.
Case 2: Bearing Overheating & Excessive Vibration
Field Scenario: A construction site pump shut down unexpectedly due to bearing housing overheating and extreme vibration, halting fluid transfer operations.
Root Cause: Degraded precision bearings (SB56FJ0012, SB56FJ0017) and worn oil seals led to shaft misalignment and increased friction.
Resolution: Installed new bearing sets and replacement oil seals; rebalanced the impeller and re-torqued all fasteners. Vibration levels normalized, and overheating issues were eliminated.
Case 3: Loose Casing Fasteners & Pressure Drop
Field Scenario: A mining fluid pump showed a steady pressure drop and minor casing gaps, with inconsistent flow rates during operation.
Root Cause: Fatigued spring washers (SB56FJ0006) and loose studs (SB56FJ0004) caused casing separation under operational pressure.
Resolution: Replaced all worn spring washers, studs, and matching nuts; installed a new paper gasket and torqued fasteners to factory specs. Casing integrity was restored, and pressure/flow rates returned to normal.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts fully compatible with the original SB5 X 6FJ centrifugal pump? | Yes, every spare part is manufactured to the original pump’s OEM specifications, with perfect dimensional matching and no modifications required for installation. |
| What is the typical service life of key wear parts for this pump model? | Under normal operating conditions, mechanical seals and oil seals last 2500+ hours, while precision bearings deliver 22,000+ operating hours with regular lubrication and maintenance. |
| Can I order individual parts instead of a full kit for the SB5 X 6FJ pump? | Absolutely, you can source any single component or custom combination of parts from this list based on your repair or maintenance needs, with full quality assurance for every item. |
Procurement Guidance & Call to Action
For maintenance teams, procurement professionals, and field engineers relying on the SB5 X 6FJ centrifugal pump for critical fluid handling operations, this verified spare parts list is your ultimate sourcing and technical reference. Each part features a unique SB56FJ-series part number for easy ordering, meets strict industrial quality standards, and includes actionable maintenance guidelines to streamline repairs and prevent unplanned downtime. Whether you need to stock critical wear parts for routine preventive maintenance, replace failed components during emergency repairs, or assemble a full pump overhaul kit, these high-quality, OEM-matched spare parts ensure consistent pump performance and long-term reliability. Reference the detailed part numbers below to secure the exact components you need, and leverage the included technical insights to resolve on-site issues efficiently and keep your operations running smoothly.