7208A5TR/P4Y

7208A5TR/P4Y · Внешний вид изделия

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7208A5TR/P4Y · Технический чертёж

Бренд
QIBR
Alternative brand
NSK
Rolling element type
Ball
Measurement system
Metric
Precision level
P4Y
Vibration grade
ZV3
Outer diameter
80 mm
Inner diameter
40 mm
Total width
18 mm
Chamfer dimension
1.1 mm
Weight
0.362 kg
Contact angle
25°
Load direction
Axial and radial
Inner diameter tolerance
0 to -6 μm
Outer diameter tolerance
0 to -7 µm
Width tolerance
0 to -120 µm
Temperature
-30 ℃ to +120 ℃
Lubrication speed
16700 rpm
Oil speed
25000 rpm
Seal type
Open Type
Ring material
52100
Rolling element material
52100
Basic dynamic load rating
34.5 kN
Basic static load rating
24.1 kN

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Описание

Spindle bearings are critical components in machine tools, industrial robots, and high-speed rotating equipment, primarily used to support and guide spindle rotation. Common types include angular contact ball bearings, cylindrical roller bearings, and hybrid ceramic bearings, which offer high precision, high rigidity, and low friction. They meet the demands of high speed, heavy load, and superior stability, playing a crucial role in precision machining, aerospace, and automation industries.

QIBR - 7208A5TR/P4Y Angular Contact Ball Bearing Advantages and Applications

7208A5TR/P4Y Angular Contact Ball Bearing, low noise, high speed capability,Inner diameter is 40 mm,Outer diameter is 80 mm,Total width is 18 mm,Weight is 0.362 kg, suitable for small car front wheels, differential pinion shafts, booster pumps and drilling platforms, etc., and is the most widely used bearing in conditions requiring high speed.

QIBR - 7208A5TR/P4Y Angular Contact Ball Bearing Characteristics

7208A5TR/P4Y Angular Contact Ball Bearing, stable performance, not easy to damage, simple maintenance. 7208A5TR/P4Y Angular Contact Ball Bearing, can bear radial load and certain axial load at the same time, suitable for mechanical equipment with high performance requirements.

7208A5TR/P4Y Angular Contact Ball Bearing Product Features and Advantages

High load capacity: It can withstand large radial and axial forces, and adopts high-strength steel and precision processing technology, with strong load-bearing capacity.

Good structural rigidity: The contact angle of the inner and outer rings is large, the structural rigidity is good, and stable operation is maintained under high load.

High positioning accuracy: The inner and outer rings have high matching accuracy, which can provide accurate positioning and centering functions.

High-speed operation performance: It has a low friction coefficient and high speed capability, suitable for high-speed operation applications.

Application: It has a wide range of applications in machine tool manufacturing, automotive industry, aerospace, motors and generators, robotics, medical equipment, automation equipment and other fields.

QIBR - 7208A5TR/P4Y Angular Contact Ball Bearing Optimization

Optional Contact Angles: Depending on the operating conditions, different contact angles can be selected, such as 15°, 18°, 25°, or 40°.

High-Performance Materials: The bearing materials can be replaced according to different operating conditions, with options like SKF III, ZGcr15, high-purity bearing steel, ceramics, stainless steel, and other materials.

Grease Replacement: Select the lubrication based on the bearing's working requirements, such as LUBCON L252, Multemp SRL, or KLUBER ISOFLEX NBU 15.

Process parameter optimization: Optimize the processing parameters, such as grinding speed, feed speed, cutting depth, etc. to improve processing efficiency and quality.

More customization: QIBR can design and optimize the bearing according to customer requirements for drawings and bearing working conditions.

QIBR - 7208A5TR/P4Y Angular contact ball bearing quality control

Dimension measurement: Use a variety of professional high-precision instruments to measure multiple dimensions of the bearing, with a maximum accuracy of 0.001mm.

Rotation accuracy: Use a micrometer to measure small flaws or deviations on the bearing surface, with a measurement accuracy of up to 0.001mm.

Hardness measurement: Use a hardness tester to measure the surface hardness of the bearing, with a measurement accuracy of up to ±0.5HRC.

Metallographic analysis: Use a professional metallographic microscope to analyze the internal metallographic structure of the metal.

Geometric tolerance: Use a profiler to measure the bearing geometry and relative position.

Noise monitoring: Vibration during operation is monitored by a vibration meter to obtain noise data.

Raw material control: Steel and parts are purchased from suppliers certified by ISO 14001 to ensure product stability and promote sustainable development.

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