IHI MAN Turbocharger Bearing Housing NR/TCR Series for 300-2500kW Marine Diesel Engines with 4.0 Pressure Ratio
Price:
negotiable
MOQ:
1
Delivery Time:
5-8 work days
Brand:
BF
Product Description
IHI/MAN Marine Turbocharger Bearing Housing
Complete bearing casing assembly for NR/TCR series turbochargers, designed for ship diesel engines with power outputs ranging from 300-2500kW.
Product Overview
The NR series turbocharger is a radial-flow design featuring single-stage radial-flow turbine and centrifugal compressor components. Engineered with inboard support roller bearings and external lube oil supply structure, these units deliver flow rates of 0.6-4.0m³/s and compression ratios up to 4.0 with total efficiency exceeding 80%.
Compatible Models
| TCR12 | TCR16 | TCR20 | NR34/R |
| TCR14 | TCR18 | TCR22 | NR24/R |
| NR15/R | NR17/S | NR29/S | NR26 |
| NR20 | NR20/S | NR12/S | NR26/R |
| NR20/R | NR24/S | NR14/S |
Technical Specifications
| Type | Length (mm) | Width (mm) | Height (mm) |
|---|---|---|---|
| NR12/S | 858 | 402 | 432 |
| NR15/R | 715-724 | 500-520 | 525-672 |
| NR20/R | 900-960 | 662-692 | 700-730 |
| NR20/S | 1165 | 715 | 678 |
| NR24/S | 1470 | 748 | 838 |
| Type | Max. Engine Output (kW) | Max. Speed (rpm) | Weight (kg) |
|---|---|---|---|
| NR12/S | 670 | 75000 | 155 |
| NR15/R | 800 | 57000 | 200 |
| NR20/R | 1400 | 44000 | 400 |
| NR20/S | 1870 | 44700 | 350 |
| NR24/S | 2690 | 37300 | 505 |
Design Features
- External lube oil supply compatible with diesel engine lubrication systems
- Forward inclined and backward curved compressor blades with maximum pressure ratio of 4.0
- Vaned diffuser type pressure plates for optimal airflow
- Non-water-cooled casing design for simplified installation
- Total efficiency exceeding 60% for improved engine performance
Product Advantages
- Single-stage radial turbine and centrifugal compressor configuration
- Compatible with both two-stroke and four-stroke diesel engines (300-2500kW)
- Inner bracing plain bearing with uncooled casing design
- Unique nozzle ring blades engineered to enhance working surge performance
- Continuous bending compressor wheel design for durability
- Overall turbocharger efficiency of 61%-66% with maximum pressure ratio of 4.0
- Extensive application in marine main engines and auxiliary engines
Frequently Asked Questions
When will you deliver the goods?
Approximately one week after payment, depending on quantity requirements and custom mold manufacturing needs.
How about quality of products?
Each product undergoes strict quality control and inspection before leaving our factory, ensuring top-tier manufacturing standards.
How about price?
We offer competitive pricing while maintaining superior product quality and performance.
Do you accept customized orders?
Yes, we welcome OEM and ODM orders with our dedicated design team supporting custom requirements.
Which transportation do you accept?
We work with major carriers including DHL, FedEx, EMS and others for your convenience.
What about payment terms?
We accept T/T, L/C, PayPal and Western Union payments.
Can you accept mold making?
Yes, we provide custom mold manufacturing services for specialized requirements.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Chongqing Xionggong Mechanical & Electrical Co., Ltd.
Location
No. 111, Longshan Ave, Yubei Dist., Chongqing, China (Mainland)
Contact Person
Xijia Huang