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Self-aligning Roller Bearing

Your Professional Self-Aligning Roller Bearing Supplier!

 

Zhejiang Zhongji Changsheng E-commerce Co., Ltd. was established in 2020 and mainly operates a bearing trading platform. The company now covers a full range of bearing and pneumatic component products, with a total of 1.5 million SKUs and a year-round spot inventory value of approximately RMB 20 billion. In 2023, the company's self operated automotive parts business was fully launched, mainly for chassis components such as automotive bearings, ball heads, swing arms, and stabilizer bars, and simultaneously launched a series of pneumatic component products.

 
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Why Choose Us

Wide Range of Brands Covered

NSK, SKF, NTN, FAG, INA, KOYO, EZO, NMB, IKO, THK, TIMKNE, NACHI, MCGILL, ELGES, FYH, ASAHI, IJK, EAST, ROLLWAY, SAMICK, HRB, ZWZ, LYC, TR, BUT, ZHBR, YFA, HZY, QCS, and other well-known domestic and foreign brands. The bearing models of major brands are complete, and customers can purchase them in a one-stop manner.

Sufficient supply

The company now covers a full range of bearing and pneumatic components products, with a total of 1.5 million SKUs and a year-round spot inventory value of approximately RMB 20 billion.

 

High-quality service

We promise to provide genuine guarantee, stable supply, and a complete logistics system to ensure efficient procurement for customers.

Wide range of applications

The products are widely used in many industries such as engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, electricity and railways.

 

NSK Self-aligning Roller Bearing

 

Our Best-Selling Self-aligning Roller Bearing

NSK Self-aligning Roller Bearing
NSK self-aligning roller bearings are designed to allow for slight misalignment between the shaft and the housing, which can occur as a result of manufacturing tolerances or thermal expansion.
 

LYC Self-aligning Roller Bearing
LYC self-aligning roller bearing refers to a type of bearing that has a cylindrical or tapered bore and outer ring raceway that can self-align.
 

TWB Self-aligning Roller Bearing
TWB self-aligning roller bearings are designed to accommodate misalignment between the shaft and the housing, which can be caused by shaft deflection, housing deformation, or mounting errors.

 

Self-Aligning Roller Bearing Specification

 

Raceway Ring Shape

Self-aligning roller

Inner Dia. d

70

Width B

51

Number of Raceway Ring Rows

Double Row

Specifications/Environment

Standard

Outer Ring Type

Flat

Basic Load Rating: Dynamic Load

420000

Internal Clearance Symbol

NA

Revolution Frequency

3000

Load Direction

Radial

Outer Dia. D

150

Inner/Outer Ring Material

Steel

Size Standards

Metric System

Rolling Element Material

Steel

Retainer Type

Punching

Bearing Ring

With Oil Hole, Oil Groove

Shaft Bore Config

Cylindrical Bore

 

Benefits of Self-Aligning Roller Bearing
 

Self-Alignment Capability for Enhanced Reliability
Self-aligning roller bearings feature a unique spherical raceway design that allows them to accommodate angular misalignment between the shaft and housing. This capability is crucial for machinery operating in environments prone to vibrations or shaft deflections.

 

High Load-Carrying Capacity
Designed to support both radial and axial loads, self-aligning roller bearings are perfect for heavy-duty machinery in demanding industries such as mining, steel production, and cement manufacturing. Their robust construction ensures consistent performance under intense operating conditions.

 

Durability in Extreme Conditions
Self-aligning roller bearings are engineered to perform under extreme conditions, including high temperatures, heavy contamination, and aggressive environments. They feature advanced materials and precision manufacturing to ensure longevity and consistent performance.

 

Low Friction for Increased Efficiency
The optimized internal geometry of self-aligning roller bearings minimizes friction, reducing energy consumption and heat generation. This leads to improved operational efficiency and lower maintenance costs over time.

 

Versatility Across Applications
Self-aligning roller bearings are versatile and can be used in various industries and machinery, from wind turbines to paper mills. Their ability to handle misalignment and heavy loads makes them a reliable choice for numerous applications.

 

 

The Basic Principle Of Self-aligning Roller Bearing

The self-aligning roller bearing is a kind of roller bearing with double row rollers. The outer ring has a common spherical raceway, and the inner ring has two raceways which are inclined to an angle relative to the axis of the bearing. It is this ingenious structure that makes it have automatic alignment performance, so it is not easy to be affected by the angle of shaft and bearing box seat on the error or shaft bending. It is suitable for installation error or shaft bending caused by angle error occasions.


The inner holes of the self-aligning roller bearings are cylindrical and conical, and the taper of the conical hole is 1:30 and 1:12. The self-aligning ball bearings with conical inner holes can be assembled conveniently and quickly on the optical axis or on the stepped axle by using a set sleeve or a back-off sleeve. Unlike other bearings, self-aligning roller bearings can withstand not only radial load, but also biaxial load.

SKF Self-aligning Roller Bearing

 

Industries Using Self-Aligning Roller Bearing

 

Automotive industry

Self-aligning roller bearings are extensively used in automotive applications such as wheel hubs, transmissions, engines, steering systems, and suspension systems.

01

Industrial machinery

Self-aligning roller bearings are crucial components in industrial machinery including machine tools, conveyors, pumps, compressors, gearboxes, printing presses, and textile machinery.

02

Aerospace industry

Self-aligning roller bearings are utilized in aircraft engines, landing gear systems, flight control mechanisms, and various other aerospace applications due to their reliability and performance under extreme conditions.

03

Construction equipment

Self-aligning roller bearings are found in construction equipment like cranes, excavators, loaders, bulldozers, and compactors, where they facilitate smooth operation and withstand heavy loads.

04

Railway industry

Self-aligning roller bearings are used in railway applications such as locomotives, freight cars, passenger cars, and rail infrastructure components to support wheels, axles, and rotating mechanisms.

05

Mining and quarrying

Self-aligning roller bearings are employed in mining equipment such as crushers, screens, conveyors, and drills, where they endure heavy loads, shock, and vibration.

06

Power generation

Self-aligning roller bearings are used in power generation equipment such as turbines, generators, and wind turbines to support rotating shafts and ensure efficient energy conversion.

07

Marine industry

Self-aligning roller bearings are utilized in marine applications such as ship propulsion systems, steering systems, winches, and deck machinery, where they withstand harsh environmental conditions.

08

Renewable energy

Self-aligning roller bearings are critical components in renewable energy systems like wind turbines and solar trackers, supporting rotor shafts and ensuring smooth operation for optimal energy production.

09

Steel and metal processing

Self-aligning roller bearings are essential in steel mills, metal processing plants, and forging operations where they support heavy rotating machinery and equipment.

10

 

Ordering Process

 

 

Consultation and demand analysis

Product selection and confirmation

Order placement and order review

Shipping and logistics tracking

 

Packaging and Shipping

 

Packaging

Plastic bag, wooden box

Transportation methods

Road transport, rail transport, sea transport, air transport

 

FAQ

Q: What is self-aligning roller bearing?

A: Self-aligning roller bearings are non-detachable, self-contained roller bearings. They are equipped with two rows of rolling elements with a joint spherical raceway in the outer ring and raceways inclined toward the bearing axis in the inner ring.

Q: What is the main advantage of self-aligning roller bearings?

A: Self-aligning roller bearings are advantageous because they can automatically adjust to misalignments between the shaft and housing, making them suitable for applications where shaft deflection or misalignment is common. They can handle both radial loads and axial loads in both directions, with particularly high radial load capacity.

Q: Are self-aligning roller bearings suitable for high-speed applications?

A: Self-aligning roller bearings are generally not suitable for high-speed applications. At high speeds, there is a risk of roller slip and smearing, especially under large axial loads.

Q: How should self-aligning roller bearings be lubricated?

A: Lubrication for self-aligning roller bearings can be done through oil grooves and holes provided in the bearings. Proper lubrication is essential to ensure optimal performance and longevity.

Q: Can self-aligning roller bearings compensate for misalignment during operation?

A: Yes, self-aligning roller bearings can automatically adjust to misalignment and shaft deflections during operation, thanks to their unique design that allows the inner ring, rollers, and cage to tilt freely relative to the outer ring.

Q: What should be considered when installing self-aligning roller bearings?

A: During installation, it is important to ensure proper alignment and adequate lubrication of the bearing surfaces. Using a torque wrench for bolt tightening is recommended to avoid shaft slippage and ensure a secure fit.

We're well-known as one of the leading self-aligning roller bearing manufacturers and suppliers in China. Be free to wholesale high quality self-aligning roller bearing in stock here and get quotation from our factory. Contact us for more details.

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