Main Journal Bearings: Standard & Undersize

Raj — Tue, 22 Aug 2023 11:12:58 +0000

RA Power Solutions is a leading engineering company providing onsite machining and grinding of the crankshaft of diesel engines, compressors, pumps, etc.

The requirement of main journal bearings in the case of auxiliary engines and marine engines after grinding is obvious. Engine manufacturers often do not keep crankpin and main journal bearings of popular engine models readily available in stock.

RA Power Solutions maintains the stock of standard/undersized crankpin bearings and main journal bearings for the reputed makes and models of engines like B&W, Daihatsu, Deutz, MAK, MAN, Yanmar, Sulzer, Compressor, CKD Skoda and Allen, etc.

Below is a sample list of crankpin and main journal bearings currently available in our stock.

Sr. No	Description	Qty
1	MAN CME 5L 16/24 Standard Crankpin Diameter- 130 mm
	a) 0.5 mm Undersized Crankpin Bearing	8 pairs
	b) 1.0 mm Undersized Crankpin Bearing	8 pairs
	c) 1.5 mm Undersized Crankpin Bearing	8 pairs
	d) 2.0 mm Undersized Crankpin Bearing	8 pairs
	e) 2.5 mm Undersized Crankpin Bearing	8 pairs
	f) Main Journal Bearings	8 pairs
2	Daihatsu 5DK20 Standard Crankpin Diameter-170 mm
	a) 0.5 mm Undersized Crankpin Bearing	8 pairs
	b) 1.0 mm Undersized Crankpin Bearing	8 pairs
	c) 1.5 mm Undersized Crankpin Bearing	8 pairs
	d) 2.0 mm Undersized Crankpin Bearing	8 pairs
	e) 2.5 mm undersize Crankpin Bearing	16 pairs
	f) Main Journal Bearings	8 pairs
3	Daihatsu 5DC17 Standard Crankpin Diameter-145 mm
	a) 0.5 mm Undersized Crankpin Bearing	14 pairs
	b) 1.0 mm Undersized Crankpin Bearing	8 pairs
	c) 1.5 mm Undersized Crankpin Bearing	8 pairs
	d) 2.0 mm Undersized Crankpin Bearing	8 pairs
	e) 2.5 mm Undersized Crankpin Bearing	8 pairs
	f) 3.0 mm Undersized Crankpin Bearing	8 pairs
	g) Main Journal Bearings	8 pairs
4	Yanmar Engine 6N18AL-DN/DV Standard Crankpin Diameter-145 mm
	a) 0.40 mm Undersized Crankpin Bearing	14 pairs
	b) 0.80 mm Undersized Crankpin Bearing	8 pairs
	c) 1.60 mm Undersized Crankpin Bearing	8 pairs
	d) 2.0 mm undersized Crankpin Bearing	8 pairs
	e) 1.20 mm undersized Crankpin Bearing	8 pairs
5	Yanmar Engine –S 185 L Standard Crankpin Diameter-140 mm
	a) 0.8 mm Undersized Crankpin Bearing	8 pairs
	b) 1.2 mm Undersized Crankpin Bearing	8 pairs
	c) 1.60 mm Undersized Crankpin Bearing	8 pairs
	d) 2.0 mm Undersized Crankpin Bearing	8 pairs
6	MAN 9ASL 25/30 Standard Crankpin diameter-195 mm
	a) 2.5 mm Undersized Crankpin Bearing	8 pairs
	b) 3.0 mm Undersized Crankpin Bearing	8 pairs
	c) 4.0 mm Undersized Crankpin Bearing	6 pairs
7	Allen Engine PVBCS12 F Standard Crankpin diameter – 190.40 mm
	a) 0.5 mm Undersized Crankpin Bearing	8 pairs
	b) 1.0 mm Undersized Crankpin Bearing	8 pairs
8	Gas Engine Deutz MWM TBG32V16 Standard Crankpin diameter 204.50 mm
8	a) 0.5 mm Undersized Crankpin Bearing	8 pairs
9	Daihatsu Model 8DKM28 Standard Crankpin diameter-235 mm
	a) 0.5 mm Undersized Crankpin Bearing	8 pairs
	b) 1.0 mm Undersized Crankpin Bearing	8 pairs
	c) 1.5 mm Undersized Crankpin Bearing	8 pairs
	d) 2.0 mm Undersized Crankpin Bearing	8 pairs
	e) 2.5 mm Undersized Crankpin Bearing	8 pairs
	f) Standard size Bearing	8 pairs
10	Daihatsu Model 6DL-16 Standard Crankpin diameter-120 mm
	a) 2.0 mm Undersized Crankpin Bearing	8 pairs
	b) 2.5 mm Undersized Crankpin Bearing	8 pairs
	c) 3.0 mm Undersized Crankpin Bearing	8 pairs
11	MAK MODEL 8M20 Standard Crankpin diameter-152 mm
	a) 2.0 mm Undersized Crankpin Bearing	8 pairs
	b) 2.5 mm Undersized Crankpin Bearing	8 pairs
	c) 3.0 mm Undersized Crankpin Bearing	4 pairs
12	MAN 6L 23/30H Standard Crankpin diameter-185 mm
	a) 1.5 mm Undersized Crankpin Bearing	8 pairs
	b) 2.0 mm Undersized Crankpin Bearing	8 pairs
	c) 2.5 mm Undersized Crankpin Bearing	8 pairs
13	CKD Skoda 638A6S 2270 KVA Standard Crankpin diameter 280 mm
	a) 0.5 mm Undersized Crankpin Bearing	12 pairs
	b) 1.0 mm Undersized Crankpin Bearing	12 pairs
	c) 1.5 mm Undersized Crankpin Bearing	12 pairs
	d) 2.0 mm undersized Crankpin Bearing	12 pairs
14	Cummins Model QSV 91G	8 pairs
15	Ariel Compressor JGH/4 stroke 4.5 inch
	a) 0.5 mm Undersized Crankpin Bearing	8 pairs
	b) 1.0 mm Undersized Crankpin Bearing	8 pairs
	c) 1.5 mm Undersized Crankpin Bearing	8 pairs
16	Ariel Compressor JGH/4 stroke 4.5-inch Main Journal
16	a) standard size Main Journal Bearing	8 pairs

Bearing Manufacturer: RA Power Solutions

We proudly export Trimetal engine bearings and Babbitt white metal bearings to a wide range of countries across the Middle East, Caribbean, Asia, and Africa. We export to many countries, including Iraq, Iran, and the UAE (covering Dubai, Abu Dhabi, Sharjah, Ajman, Umm Al-Quwain, and Fujairah), as well as Oman, Saudi Arabia, Qatar, Bahrain, and Kuwait. In the Caribbean and surrounding regions, our exports reach nations such as Antigua and Barbuda, Belize, Dominica, the Dominican Republic, Grenada, Guyana, Haiti, Jamaica, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, and Trinidad and Tobago. Additionally, we serve key Asian and African markets, including Malaysia, Indonesia, Madagascar, Vietnam, and South Korea, among others.

Discover precision and quality with RA Power Solutions – Your trusted bearing manufacturer! Elevate your machinery’s performance with our top-notch bearings. From custom designs to off-the-shelf solutions, we offer a comprehensive range to meet your specific needs. Boost productivity, reduce downtime, and enhance reliability. Explore our bearings today!

For more information on engine bearing manufacturers, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

white metal bearings

FAQs

1. What are main journal bearings?

Main journal bearings are critical engine components that support the crankshaft and allow it to rotate smoothly within the engine block. They reduce friction and wear between moving metal parts in internal combustion engines.

2. What is the difference between standard and undersize bearings?

First, use standard bearings when the crankshaft and housing dimensions match the original factory specifications. However, when wear or damage requires crankshaft grinding, install undersize bearings, which are thicker and help restore proper operating clearances.

3. Can journal bearings be repaired or rebabbitted?

You can repair worn journal bearings through a process called rebabbitting, where you remove the old babbitt material and replace it with a new layer to restore the bearing to its original specifications and performance.

4. When should undersize journal bearings be used?

Undersize journal bearings are typically used after crankshaft regrinding, which reduces the journal diameter. These bearings compensate for the reduced size and help maintain correct oil clearance and engine performance.

5. What materials are used in manufacturing journal bearings?

Manufacturers commonly make journal bearings from babbitt metal, an alloy known for its excellent anti-friction properties. Other materials include copper-lead alloys, aluminum alloys, and composite materials, depending on the application.

The post Main Journal Bearings: Standard & Undersize appeared first on Rebabbitting Bearing.

Babbitting Bearing Repair | Rebabbitting of Old Bearing | Repair And Maintenance Of New Bearings

Raj — Mon, 29 Jul 2019 08:19:50 +0000

RA Power Solutions manufactures white metal babbitt bearings and rebabbit of old white metal bearings. All types of bearings for different applications are repaired or manufactured by us, including the following:

Rebabbitting of old bearing or manufacturing of new babbitt bearing for high capacity diesel engine.
Rebabbitting for white metal bearing for turbine and rotor application.
Rebabbitting and manufacturing of new bearings for pumps, alternators, and all types of mechanical equipment.

White Metal Bearings

The following services are offered for Babbitt Bearing:

Rebabbitting of old and worn-out bearings.
All parameters are maintained and improved as per the original white metal grade.
Manufacturing of new metal babbitt bearing up to 1500 mm diameter.
We develop, manufacture, and supply white metal babbitt bearing either as per the sample or drawing.
Small quantities of white metal babbitt bearing are accepted.

Rebabbitting of White Metal Bearing | Quality Control

We are an ISO-certified company and maintain the quality of bearing strictly as per the specifications mentioned in the drawing and as per the international standard.We guarantee satisfactory performance for all the Babbitt bearings we manufacture

We stand a guarantee for 2500 hours of operation or 12 months from the date of dispatch whichever is earlier.

In this time of recession, all the organizations are trying to reduce the cost of maintenance. We offer cost-effective solutions and maintain high quality standards.

bearings of white metal

rebabbiting of white metal bearings

Repair And Maintenance Of New Bearings

RA Power Solutions: Your partner in maintaining peak performance for new bearings. Our expert repair and maintenance of new bearings services ensure reliability and longevity. Experience seamless machinery operation – contact us today

For any repair and maintenance of new bearings, or bearing-related inquiries, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

FAQs:

1. What is rebabbitting of old bearings?

Technicians restore worn white metal Babbitt bearings using a centrifugal rebabbitting process.

2. How large can the bearings be for rebabbitting?

RA Power Solutions handles bearings with a bore diameter of up to 1,500 mm.

3. Do you manufacture new bearings based on client designs?

Yes, RA Power Solutions develops and supplies Babbitt bearings according to customer-provided samples or drawings.

4. Which industries rely on these rebabbitting services?

pumps

5. What quality assurance is in place after rebabbitting?

They perform thorough inspections, including hardness checks, MPI, and surface finish evaluation to ensure reliability.

The post Babbitting Bearing Repair | Rebabbitting of Old Bearing | Repair And Maintenance Of New Bearings appeared first on Rebabbitting Bearing.

repair and maintenance of new bearings Archives - Rebabbitting Bearing