7201A

7201A · Product image

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7201A · Technical drawing

Brand
QIBR
Alternative brand
SKF
Measurement system
Metric
Rolling element type
Ball
Precision level
P6(ABEC-3)
Vibration grade
ZV3
Outer diameter
32 mm
Inner diameter
12 mm
Total width
10 mm
Chamfer dimension1
0.6 mm
Chamfer dimension2
0.3 mm
Weight
0.036 kg
Contact angle
30°
Inner diameter tolerance
0 to -7 µm
Outer diameter tolerance
0 to -9 µm
Width tolerance
0 to -120 µm
Reference speed
25000 rpm
Limiting speed
23000 rpm
Load direction
Axial and radial
Temperature
-30 ℃ to +110 ℃
Seal type
Open type
Ring material
52100
Rolling element material
52100
Basic dynamic load rating
7.61 kN
Basic static load rating
3.8 kN
Fatigue load limit
0.16 kN

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Description

Single-row angular contact ball bearings can only support an axial load in one direction.

QIBR - 7201A Angular Contact Ball Bearing Advantages and Applications

7201A Angular Contact Ball Bearing, high precision, high load-bearing capacity,Inner diameter is 12 mm,Outer diameter is 32 mm,Total width is 10 mm,Weight is 0.036 kg, suitable for cycloid reducers, repair welding machines, booster pumps and gas turbines, etc., and is the most widely used bearing in working conditions with high precision requirements.

QIBR - 7201A Angular Contact Ball Bearing Characteristics

7201A Angular Contact Ball Bearing, long service life, easy installation and maintenance, high cost performance. 7201A Angular Contact Ball Bearing, can bear radial load and certain axial load at the same time, suitable for mechanical equipment with high precision requirements.

7201A 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 - 7201A 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 - 7201A 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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