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Bearings for Industrial Gearboxes
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Catalog excerpts

Bearings for Industrial Gearboxes - 1

Bearings for industrial gearboxes

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Bearings for Industrial Gearboxes - 2

2 Europe Africa Asia The Americas Oceania NSK commenced operations as the first Japanese manufacturer of rolling bearings back in 1916. Ever since, we have been continuously expanding and improving not only our product portfolio but also our range of services for various industrial sectors. In this context, we develop technologies in the fields of rolling bearings, linear systems, components for the automotive industry and mechatronic systems. Our research and production facilities in Europe, Americas and Asia are linked together in a global technology network. Here we concentrate not only...

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Bearings for Industrial Gearboxes - 3

Industrial gearboxes 3 Partnership based on trust – and trust based on quality Total Quality by NSK: The synergies of our global network of NSK Technology Centres. Just one example of how we meet our requirements for high quality. NSK is one of the leading companies with a long tradition in patent applications for machine parts. In our worldwide research centres, we not only concentrate on the development of new technologies, but also on the continual improvement of quality based on the integrated technology platform of tribology, material technology, analysis and mechatronics. More about...

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Bearings for Industrial Gearboxes - 4

4 NSK Technology Designed to Move – Day by Day

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Bearings for Industrial Gearboxes - 5

Industrial gearboxes 5 NSK stands for motion in all areas of application, all over the world. From industrial plants to household appliances. In a global technology network of more than 40 plants, more than 24.000 staff members ensure that approximately three million new bearings with the NSK trademark are produced daily. The incredibly large range of NSK bearings is employed in all sorts of application areas and this guarantees that our clients will find the perfect solution for their requirements. We are there when you need us Products and solutions by NSK do not only provide optimum...

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Bearings for Industrial Gearboxes - 6

6 Focus on performance of outstanding nature The textbook says: Gearboxes are systems for converting and translating motion. The designer says: bearings for industrial gearboxes are a means of supporting the torque and speeds of the drive end to the required turning moments and speeds of the engine – according to the individual and specific operating processes. And what does the engineer say from experience? Above all, bearings for modern industrial drive systems face the most demanding and most versatile requirements. Features, including sufficient availability, long life, economy and best...

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Bearings for Industrial Gearboxes - 7

Industrial gearboxes 7 Hypoid bevel gears The larger-sized pinion which is part of this hypoid bevel gear integrating an offset pinion shaft, facilitates lower peripheral force while the turning moment (torque) remains constant. The offset axis provides for higher strength of pinion support in both directions. Low noise generation is a further advantage. However, a disadvantage is increased friction due to additional sliding motion. Spur gear Parallel axis gears generally fall into two main types – Spur gears and Helical gears. Whilst spur gears have the advantage of ease of manufacture and...

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Bearings for Industrial Gearboxes - 8

8 NSK rolling bearings meet tomorrow’s requirements The history of developing and designing gears is the history of continuously improving performance. Over the course of time gears have become increasingly powerful – thus the requirements for bearing performance have continuously increased. NSK rolling bearings have not only kept pace: great ideas have ensured that they have always been one step ahead. However, capacities for high performance can only be fully utilised if the correct rolling bearing is fitted in the right place. For this purpose numerous vital criteria and important...

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Bearings for Industrial Gearboxes - 9

Industrial gearboxes 9 Strength of connecting parts Does deformation of the housing need to be taken into consideration? Does misalignment at the bearing position caused by shaft bending affect performance? Such issues can cause distinct additional loads within the bearings and therefore need to be fully understood. Friction One issue is to determine whether specific friction performance is required to maintain accurate motion. Another issue is to determine whether support is to be provided for a special gear that requires a low level of heat generation during operation. Bearing life This...

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Bearings for Industrial Gearboxes - 10

10 Vital features affecting performance

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Bearings for Industrial Gearboxes - 11

Industrial gearboxes 11 The right selection makes the difference Of course, this preview can only deal with the most important factors, i.e. basic bearing types, without considering further important parameters such as size, internal clearance, cage material and design. Our product range gives an insight to the scale of the application spectrum of our products: You can select from more than 35.000 different types of ball bearings and roller bearings, which fulfil practically any requirement from engineers from all branches of industry and for all sorts of applications. Yet in our global...

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Bearings for Industrial Gearboxes - 12

12 Bearing types Single-Row Deep Groove Ball Bearings ›› Suitable for small and moderate radial loads and minor axial loads in both directions ›› Extremely high speed possible ›› Excellent noise performance ›› Also available in pre-lubricated sealed versions Double-Row Deep Groove Ball Bearings ›› Suitable for moderate radial loads and minor axial loads in both directions ›› Suitable for moderatespeed ›› Sensitive to misalignment Maximum Type Ball Bearings ›› Only suitable for moderate radial loads and small axial loads in one direction ›› High speed is possible ›› Separable Single-Row...

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Bearings for Industrial Gearboxes - 13

Industrial gearboxes 13 Self Aligning Double Row Ball Bearings ›› Suitable for moderate radial loads and minor axial load in both directions ›› Moderate and high speed possible ›› Can take small degrees of misalignment ›› Mounting with adaptor sleeve possible Spherical Roller Bearings ›› Suitable for very high radial loads ›› Axial load in both directions possible ›› Moderate speed possible ›› Can take small degrees of misalignment ›› Mounting with adaptor sleeve possible Cylindrical Roller Bearings ›› Suitable for high radial load ›› Depending on bearing type, axial loads in one or two...

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