086 15806631151 info@sdtflbearing.com
-QJ-1988-N2MA-Dimensions.webp)
The QJ 1988 N2MA is a four-point contact angular contact ball bearing, measuring 440mm by 600mm by 74mm. Made from durable chrome steel, it handles radial loads up to 171225 lbf and operates smoothly at speeds up to 1500 RPM.
Its single-row design with a brass cage ensures reliable performance, while the open seal allows for easy lubrication. The bearing works well in temperatures ranging from -30°C to 110°C.
This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or large gearboxes where high radial loads are common.
Weighing 64kg, it’s built for robust performance. Compliant with RoHS and REACH standards, it meets stringent safety and environmental requirements.
"*" indicates required fields
Performance Features of QJ 1988 N2MA Bearing
QJ 1988 N2MA Bearing is designed for four-point contact, offering excellent radial load capacity up to 171225 lbf.
Its chrome steel rings and balls ensure durability, while the brass cage maintains proper ball alignment.
With a maximum speed of 1,500 rpm, it balances performance and reliability in demanding applications.
The P6 tolerance class ensures precision, making it suitable for high-accuracy machinery.
Industrial Uses of QJ 1988 N2MA Bearing
QJ 1988 N2MA Bearing is commonly used in heavy machinery like cranes and mining equipment, where its four-point contact design handles combined radial and axial loads efficiently. The brass cage ensures smooth operation even under high stress.
In wind turbine systems, QJ 1988 N2MA Bearing supports the main shaft, providing stability and durability in harsh weather conditions. Its large bore diameter and metric sizing make it ideal for European-designed turbines.
For industrial gearboxes, QJ 1988 N2MA Bearing’s chrome steel construction offers reliable performance in high-torque applications. The open seal design allows for easy lubrication, extending the bearing’s service life.
Where Is QJ 1988 N2MA Bearing Used?
QJ 1988 N2MA Bearing is often found in steel mills, where it supports rolling mill stands and handles heavy loads. Its P6 tolerance class ensures precision in demanding environments.
In marine applications, QJ 1988 N2MA Bearing is used in propeller shafts, thanks to its corrosion-resistant materials and robust design. The lubricated construction helps maintain performance in saltwater conditions.
Built for Heavy-Duty Use: QJ 1988 N2MA Bearing
QJ 1988 N2MA Bearing excels in construction equipment like excavators, where its high static radial load capacity is crucial. The brass cage reduces friction, enhancing overall efficiency.
For paper manufacturing machines, QJ 1988 N2MA Bearing provides reliable support in high-speed rollers. Its temperature range ensures consistent performance in both hot and cold operating conditions.
"*" indicates required fields
-QJ-1988-N2MA-Drawing.webp)