lianxidianhua 086 15806631151 send-sms info@sdtflbearing.com
/
/
Four-Point Contact Angular Contact Ball Bearings (General) QJ 328 N2MA
Four-Point Contact Angular Contact Ball Bearings (General) QJ 328 N2MA

Four-Point Contact Angular Contact Ball Bearings (General) QJ 328 N2MA

The QJ 328 N2MA is a four-point contact angular contact ball bearing, measuring 140mm by 300mm by 62mm. Made from durable chrome steel, it handles radial loads up to 112500 lbf and operates smoothly at speeds up to 3800 RPM.

Its single-row design with a brass cage ensures reliable performance, while the open seal allows for easy lubrication. The bearing is suitable for 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 gearboxes or large machinery where high radial loads are common.

Weighing 24kg, it’s robust and built to last. Compliant with RoHS and REACH standards for safe and environmentally friendly use.

SEND INQUIRY

"*" indicates required fields

This field is for validation purposes and should be left unchanged.

Product Parameters

  • Part Number QJ 328 N2MA
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • Bearing Type Ball
  • For Load Direction Four Point Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.018mm to 0
  • Outer Dia 300 mm
  • Outer Dia Tolerance -0.025mm to 0
  • Width 62 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 196 mm
  • Internal Diameter On Outer Ring 244 mm
  • Chamfer Dimension 4 mm
  • Distance Pressure Point (a) 154 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 112500 lbf
  • Static Radial Load 156375 lbf
  • Max Speed 3800 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 24 kg

Features

Why Choose QJ 328 N2MA Bearing for Precision Tasks?

QJ 328 N2MA Bearing features a four-point contact design, enabling it to handle both radial and axial loads efficiently.
Its chrome steel rings and balls ensure durability, while the brass cage maintains proper ball alignment.

With a dynamic radial load capacity of 112,500 lbf, QJ 328 N2MA Bearing performs reliably in heavy-duty applications.
The P6 tolerance class guarantees precision, making it suitable for high-accuracy tasks.

QJ 328 N2MA Bearing operates smoothly at speeds up to 3,800 rpm, balancing performance and longevity.
Its open design allows for easy lubrication, reducing maintenance requirements.

The temperature range of -30° to 110°C ensures QJ 328 N2MA Bearing functions well in various environments.
This makes it a versatile choice for industrial and mechanical applications.

Application

Key Fields for QJ 328 N2MA Bearing
QJ 328 N2MA Bearing is commonly used in industrial machinery, especially in gearboxes and heavy-duty equipment where four-point contact is needed for handling combined loads. Its brass cage ensures smooth rotation even under high radial forces.

Where Is QJ 328 N2MA Bearing Used?
In automotive applications, QJ 328 N2MA Bearing fits well in large transmission systems, providing stability and durability. The metric dimensions make it suitable for various vehicle designs, from trucks to industrial vehicles.

Built for Heavy-Duty Use: QJ 328 N2MA Bearing
For automation systems, QJ 328 N2MA Bearing supports robotic arms and conveyor belts, where precision and load capacity are key. The open design allows for easy lubrication, extending its service life.

Medical vs Industrial: Where QJ 328 N2MA Bearing Excels
In medical imaging devices, QJ 328 N2MA Bearing offers reliable performance due to its chrome steel construction. However, it truly shines in industrial settings like presses and cranes, where heavy loads are routine.

Practical Applications of QJ 328 N2MA Bearing
QJ 328 N2MA Bearing works well in wind turbines, handling the axial and radial loads from rotor blades. Its P6 tolerance class ensures consistent performance in demanding environments.

Q&A

SEND INQUIRY

"*" indicates required fields

This field is for validation purposes and should be left unchanged.