High-speed, easy-to-handle, long-life ball bearings from NSK

Applications that demand high running speeds, easy handling and long service life will benefit from NSK’s new four-point contact ball bearings. The QJ series features a high-strength outer-ring-guided brass cage to facilitate extremely high speeds and improved running accuracy.

Furthermore, a 35° contact angle helps to provide longer operating life thanks to the resulting high axial load capacity, which in turn minimises the costs associated with downtime and maintenance.

Among many notable features, QJ series four-point contact ball bearings comprise an inner ring that splits into halves. Users can separate the outer ring of these advanced single-row angular contact ball bearings from the halves of the inner ring (split along a plane perpendicular to the shaft centre), to promote easy handling.

To meet the challenges of demanding applications, NSK QJ bearings are also able to sustain significant axial loads in both directions. As a result, the bearings are ideal for carrying pure axial loads, or combined loads where the axial load is high.

Another major advantage is the compact size of the QJ series. A single QJ unit can replace a face-to-face or back-to-back arrangement of conventional bearings, saving valuable design space.

Among a myriad of applications set to benefit are oil-free screw compressors, industrial pumps, tractor transmissions, robot gearboxes and servomotors. Further applications in the petrochemical, chemical and pharmaceutical industries can also take advantage of the added value these bearings provide.

The added value stems from many factors, not least the decades of experience and expertise that NSK applied in the creation of a special internal design complemented by a precision-machined brass cage. This combination delivers increased limiting speed, high dimensional and running accuracy (P6), and a narrow axial clearance range. Additional advantages include reduced heat generation, vibration and noise.

NSK Europe

Northern Road
NG24 2JF

01636 605123



More products
2 days ago
NSK bearings reduce concrete floor manufacturing machine failures to zero
Regular bearing failures in a concrete floor manufacturing machine were leading to extensive downtime, costly lost production, and high maintenance costs. To rectify the problem, the customer turned to the expertise of NSK for a redesigned wheel hub and stub axle assembly.
4 days ago
Servodrives help protect chair castors and cut packaging costs
Drives and motors specialist Yaskawa has played a key role in the development of an automated system specifically designed to fit protective plastic caps onto chair castors, using its Sigma-7 series servo-drives and a SLIO-series controller.
1 week ago
SKF streamlines bearing analysis for Ansys users
With the new SKF Bearing App for Ansys Mechanical, design engineers have instant access to accurate stiffness data on more than 10,000 bearing designations. The app is available in the Ansys Store free of charge.
1 week ago
Omron awarded platinum rating from EcoVadis for sustainability
Omron has been awarded the Platinum rating following a sustainability assessment by EcoVadis. A score earning a Platinum rating, which is the highest distinction, puts the company within the top 1% of all the businesses assessed for sustainability performance.
1 week ago
ABB Value Provider wins order for rolling mill DC drive solution
DC drive specialist Iconsys is set to deliver a bespoke drive upgrade solution comprising two 12-pulse drive suites from ABB for a UK steel mill’s payoff and tension reels, used to feed and recoil steel strip through a production line.
1 week ago
What are the design considerations when specifying lead screws?
The first in the new ‘Design • Engineer • Build’ series of video podcasts focuses on lead screws – components that are at the heart of countless engineering systems. We talk to Phil Jones at Abssac about the enduring popularity of these essential design products, and the design considerations in their specification.
1 week ago
Harting honoured with the ‘Best of Industry Award’
The industry media of the Vogel Communications Group presented their ‘Best of Industry Awards’ shortly before the turn of the year. The Harting Technology Group emerged as the winner in the ‘Electrical Equipment’ category with its Han-Modular Domino modules.
1 week ago
Quick ROI and 60% decrease in maintenance travel with remote access
Brazilian surface treatment systems manufacturer Erzinger was keen to limit service trips as much as possible to serve customers faster. By implementing IXON Cloud, it can now support its customers remotely, and work in an intuitive and secure way. It can even set up multiple simultaneous connections to work together on the same project. The result is cost reduction, quick ROI and happier customers.
2 weeks ago
Nord high up in the sustainability ranking
Nord Drivesystems was assessed by the rating agency EcoVadis and awarded the silver sustainability certificate in 2022. In the overall ranking, the North German company is in the top six percent of manufacturers in the industry assessed by EcoVadis.
2 weeks ago
Mitsubishi Electric helps door manufacturer triple its throughput
Renowned door manufacturer Profile Developments has seen a threefold increase in its productivity, thanks to its latest collaboration with Mitsubishi Electric, with a solution based on multiple FR-E series inverter or variable speed drives (VSDs) and other system-matched components, such as a GOT 2000 series HMI and MELSEC iQ-R PLC.

Login / Sign up