7021 CD/P4ADGA

7021 CD/P4ADGA

These matched sets of two super-precision, high-capacity, D design, single row angular contact ball bearings are available in a variety of arrangements. They are designed for high-load capacity and relatively high speed operation and, compared to the equivalent SKF B and E design high-speed bearings, are best suited for heavier loads.Very high running accuracyVery high load carrying capacity
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Dimensions - 7021 CD/P4ADGA

d

105 mm

D

160 mm

B

52 mm

d1

121.9 mm

d2

121.9 mm

D1

143.1 mm

r1,2

min.2 mm

r3,4

min.1 mm

Abutment dimensions - 7021 CD/P4ADGAAbutment dimensions - 7021 CD/P4ADGA

da

min.114 mm

db

min.114 mm

Da

max.151 mm

Db

max.155 mm

ra

max.2 mm

rb

max.1 mm

dn

125.6 mm

C

156 kN

C0

193 kN

Pu

7.2 kN

 

To be calculated: Single bearing (8000) x speed reduction factor (see table below)

Attainable speed for oil-air lubrication  

To be calculated: Single bearing (13000) x speed reduction factor (see table below)

15 degree

Dw

17.462 mm

i

2

z

21

G

20.4 cm³

Preload and stiffness (back-to-back, face-to-face)
 

A

G

360 N

 

117 N/µm

f

1.15

f1

1

f2A

1

f

1

f0

15.7

 

Refer to Notes 1 and 2 below

Precision contact bearings are engineered with exceptional accuracy to ensure optimal performance in various mechanical applications. These bearings feature tight dimensional tolerances and precise geometric shapes, which contribute to their high rotational accuracy and low noise levels. The materials used in their construction, often high-quality steels or ceramics, are chosen for their durability and resistance to wear, ensuring long service life even under demanding conditions. Precision contact bearings typically include configurations such as ball bearings, roller bearings, and needle bearings, each designed to address specific load and speed requirements. Their design also incorporates advanced lubrication systems to reduce friction and heat generation, thereby enhancing efficiency and reliability.

The primary advantage of precision contact bearings lies in their ability to sustain high precision under various operating conditions. They offer superior load-carrying capacity, making them ideal for applications requiring heavy loads while maintaining high speeds. The precision of these bearings minimizes vibration and noise, which is critical in sensitive environments such as medical equipment or precision instruments. Additionally, their robust construction ensures reliability and longevity, reducing maintenance costs and downtime. The use of advanced materials and lubrication techniques further enhances their performance, providing resistance to corrosion and wear. This combination of features makes precision contact bearings an indispensable component in precision engineering and high-performance machinery.

Precision contact bearings are widely applied in a variety of industries due to their exceptional performance characteristics. In the automotive sector, they are crucial for the smooth operation of engines, transmissions, and suspension systems, ensuring reliability and fuel efficiency. Aerospace applications utilize these bearings for their ability to withstand extreme conditions and high speeds, contributing to the safety and efficiency of aircraft. Industrial machinery, such as CNC machines and robotics, benefit from the high precision and durability of these bearings, enabling consistent and accurate operations. Medical devices, which demand minimal noise and vibration, also rely on precision contact bearings to ensure patient comfort and device effectiveness. Overall, the versatility and reliability of precision contact bearings make them essential in numerous high-precision and high-performance applications across different sectors.

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7218 ACD/P4AQBCC 90 160 120
7218 ACD/P4AQBCB 90 160 120
7218 ACD/P4AQBCA 90 160 120
7218 ACD/P4ADGD 90 160 60
7218 ACD/P4ADGC 90 160 60
7218 ACD/P4ADGB 90 160 60
7218 ACD/P4ADGA 90 160 60
7218 ACD/P4ADBC 90 160 60
7218 ACD/P4ADBB 90 160 60
7218 ACD/P4ADBA 90 160 60
7218 ACD/P4A 90 160 30
7218 ACD/HCP4ATBTB 90 160 90
7218 ACD/HCP4ADGA 90 160 60
7218 ACD/HCP4A 90 160 30
7021 CDGB/P4A 105 160 26
7021 CDGA/P4A 105 160 26
7021 CDGA/HCP4A 105 160 26
7021 CD/P4ATBTA 105 160 78
7021 CD/P4ADGC 105 160 52
7021 CD/P4ADGB 105 160 52
7021 CD/P4ADGA 105 160 52
7021 CD/P4ADBC 105 160 52
7021 CD/P4ADBB 105 160 52
7021 CD/P4ADBA 105 160 52
7021 CD/P4A 105 160 26
7021 ACDGC/P4A 105 160 26
7021 ACDGB/P4A 105 160 26

Populära Taggar: 7021 cd/p4adga, 7021 cd/p4adga suppliers

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