QJ1064-N2-MPA

d	320 mm	Bore diameter
D	480 mm	Outside diameter
B	74 mm	Width
Cr	650,000 N	Basic dynamic load rating, radial
C0r	1,320,000 N	Basic static load rating, radial
Cur	36,000 N	Fatigue load limit, radial
nG	2,250 1/min	Limiting speed
nϑr	1,080 1/min	Reference speed
≈m	50.2 kg	Weight

Mounting dimensions

da min	334.6 mm	Minimum diameter shaft shoulder
Da max	465.4 mm	Maximum diameter of housing shoulder
ra max	3 mm	Maximum fillet radius

Dimensions

rmin	4 mm	Minimum chamfer dimension
D1	424 mm	Shoulder diameter outer ring
d1	376.5 mm	Shoulder diameter inner ring
a	280.1 mm	Distance between the apexes of the pressure cones
an	15 mm	Hight retaining slot
bn	12.5 mm	Width retaining slot
rn	2.5 mm	Radius retaining slot
	45 °	Angle retaining slot
α	35 °	Contact angle

Temperature range

Tmin	-30 °C	Operating temperature min.
Tmax	200 °C	Operating temperature max.

The QJ1064-N2-MPA four-point contact ball bearing is a hallmark of precision engineering, designed to meet the demanding requirements of various industrial applications. One of its most notable features is its capability to accommodate both radial and axial loads simultaneously, making it particularly versatile. This design allows the bearing to provide robust support in applications where space is limited and where traditional bearing configurations might fall short.

One of the key characteristics of the QJ1064-N2-MPA bearing is its construction, which includes a high-quality steel raceway and carefully selected ball elements. This combination ensures a durable and reliable performance, reducing the risk of wear over time. The precise manufacturing process behind these bearings guarantees tight tolerances, which in turn leads to superior rotational accuracy and lower noise levels during operation. These qualities are critical in settings such as machine tools and assembly lines where precision and smooth operation are paramount.

The QJ1064-N2-MPA also features a special design that allows it to maintain optimal performance even under fluctuating temperature conditions. It is engineered to operate efficiently in environments that may experience sudden changes in heat, making it suitable for many sectors, including automotive, aerospace, and manufacturing. The ability to maintain its integrity and performance under such conditions underscores its robustness and makes it a preferred choice for engineers looking for reliability and effectiveness.

Another advantage of this bearing model is its ease of installation. The four-point contact design simplifies the alignment process, leading to reduced installation time and minimal adjustments. This is particularly beneficial in high-volume production settings, where efficiency is critical. Furthermore, its compatibility with various shaft sizes and housings enhances its versatility, allowing it to be integrated into a wide range of equipment and machinery.

The QJ1064-N2-MPA also incorporates advanced sealing solutions that protect against contaminants such as dust and moisture. This protection is vital in prolonging the life of the bearing and maintaining its performance in harsh operating conditions. By minimizing the impact of external factors, this bearing ensures long-term reliability, which in turn translates to lower maintenance costs and reduced downtime for production equipment.

In addition to these practical advantages, the QJ1064-N2-MPA is also notable for its cost-effectiveness. While it offers premium quality and features, its competitive pricing makes it accessible for various applications without compromising performance. Companies can rely on this bearing to enhance their operational efficiency without the financial burden often associated with high-end components.

In summary, the QJ1064-N2-MPA four-point contact ball bearing stands out for its exceptional quality, versatility, and reliability. Its ability to handle simultaneous radial and axial loads, coupled with its durability and ease of installation, makes it an excellent choice for engineers and manufacturers alike. With robust sealing solutions and effective protection against environmental factors, this bearing model is well-suited for the demands of modern industrial applications. Ultimately, the QJ1064-N2-MPA offers a balanced solution that enhances performance while keeping costs manageable, making it a preferred option in today's competitive marketplace.

NO.	d[mm]	D[mm]	B[mm]
QJ260-N2-MPA	300	540	85
QJ260-N2-MPA-C3	300	540	85
QJ352-N2-MPA	260	540	102
QJ1072-MPA	360	540	82
QJ1068-MPA	340	520	82
QJ1068-MPA-C3	340	520	82
QJ1068-N2-MPA	340	520	82
QJ348-N2-MPA	240	500	95
QJ348-N2-MPA-C3	240	500	95
QJ256-N2-MPA-C3	280	500	80
QJ348-N2-MPA-J30PD-C3	240	500	95
QJ348-N2-MPA-J30PC-C3	240	500	95
QJ1256-N2-MPA	280	500	90
QJ1256-N2-MPA-C3	280	500	90
QJ256-N2-MPA	280	500	80
QJ252-N2-MPA-J30PC-C3	260	480	80
QJ1064-N2-MPA	320	480	74
QJ1064-N2-MPA-C3	320	480	74
QJ1252-MPA	260	480	90
QJ1252-N2-MPA	260	480	90

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