lianxidianhua 086 15806631151 send-sms info@sdtflbearing.com
/
/
Four-Point Contact Angular Contact Ball Bearings (General) QJ 215 N2MA
Four-Point Contact Angular Contact Ball Bearings (General) QJ 215 N2MA

Four-Point Contact Angular Contact Ball Bearings (General) QJ 215 N2MA

The QJ 215 N2MA is a four-point contact angular contact ball bearing with a 75mm bore and 130mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 28125 lbf and operates smoothly at speeds up to 8500 RPM.

Its single-row design and brass cage ensure durability, while the open seal allows for easy lubrication. The bearing performs reliably in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings, offering a practical replacement option. It’s well-suited for applications like pumps or gearboxes where radial and axial loads are present.

Weighing 1.45kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for various industrial uses.

SEND INQUIRY

"*" indicates required fields

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

Product Parameters

  • Part Number QJ 215 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 75 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 25 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 88.5 mm
  • Internal Diameter On Outer Ring 112 mm
  • Chamfer Dimension 1.5 mm
  • Distance Pressure Point (a) 72 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 28125 lbf
  • Static Radial Load 29700 lbf
  • Max Speed 8500 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 1.45 kg

Features

Performance Features of QJ 215 N2MA Bearing

QJ 215 N2MA Bearing is built with chrome steel rings and balls, offering excellent resistance to radial loads.
Its dynamic radial load capacity reaches 28125 lbf, making it suitable for demanding industrial applications.
The brass cage ensures smooth operation and reduces friction during high-speed rotations.
With a maximum speed of 8,500 rpm, it delivers reliable performance in various conditions.

How Does QJ 215 N2MA Bearing Reduce Friction?

QJ 215 N2MA Bearing features a precision-engineered brass cage that minimises friction during operation.
The chrome steel construction enhances durability while maintaining smooth performance under load.
Its four-point contact design distributes forces evenly, reducing wear and tear.
Lubrication is optimised to ensure consistent performance over time.

Built for Reliability: QJ 215 N2MA Bearing

QJ 215 N2MA Bearing is designed to handle heavy radial loads up to 29700 lbf static capacity.
The single-row construction and open seal type allow for easy maintenance and inspection.
It operates efficiently within a temperature range of -30° to 110°C, ensuring versatility.
With a P6 tolerance class, it meets high precision standards for industrial applications.

Steel vs Ceramic Bearings: Strengths of QJ 215 N2MA Bearing

QJ 215 N2MA Bearing uses chrome steel for both rings and balls, providing excellent strength and durability.
This material choice ensures reliable performance under heavy loads and high-speed conditions.
The brass cage complements the steel components by reducing friction and noise.
Its robust design makes it a practical choice for various industrial uses.

Application

Industrial Uses of QJ 215 N2MA Bearing
QJ 215 N2MA Bearing is commonly used in machine tools, where its four-point contact design handles combined radial and axial loads efficiently. The brass cage ensures smooth operation even at higher speeds, making it suitable for precision equipment.

Where Is QJ 215 N2MA Bearing Used?
In automotive applications, QJ 215 N2MA Bearing supports gearbox systems, providing reliable performance under varying loads. Its metric sizing and P6 tolerance make it a versatile choice for European and Asian vehicle models.

Built for Heavy-Duty Use: QJ 215 N2MA Bearing
QJ 215 N2MA Bearing excels in conveyor systems, where its chrome steel construction withstands continuous operation. The open seal design allows for easy lubrication, extending its service life in demanding environments.

Automotive vs Aerospace: Applications of QJ 215 N2MA Bearing
QJ 215 N2MA Bearing is found in both automotive transmissions and aerospace actuators, thanks to its ability to manage multi-directional loads. The high dynamic radial load capacity ensures durability in these critical applications.

Perfect Fit for Automation: QJ 215 N2MA Bearing
QJ 215 N2MA Bearing is ideal for robotic arms, where its precise movement and low friction are essential. The lubricated design reduces maintenance needs, making it a practical choice for automated systems.

Q&A

SEND INQUIRY

"*" indicates required fields

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