7220 CD/P4A

7220 CD/P4A

These super-precision, high-capacity, single row angular contact ball bearings, with 15 degree contact angle, accommodate radial and axial loads acting simultaneously, where the axial load acts in one direction only. They are designed to accommodate heavy loads at relatively high speeds under low to moderate operating temperatures.Very high running accuracyVery high load carrying capacityRelatively high speed and stiffness
Gửi yêu cầu
Nói chuyện ngay
Giơi thiệu sản phẩm

Dimensions - 7220 CD/P4A

d

100 mm

D

180 mm

B

34 mm

d1

124.7 mm

d2

124.7 mm

D1

155.3 mm

r1,2

min.2.1 mm

r3,4

min.1.1 mm

a

35.9 mm

Abutment dimensions - 7220 CD/P4AAbutment dimensions - 7220 CD/P4A

da

min.112 mm

db

min.112 mm

Da

max.168 mm

Db

max.173 mm

ra

max.2 mm

rb

max.1 mm

dn

131.4 mm

C

156 kN

C0

137 kN

Pu

4.9 kN

 

7 500 r/min

Attainable speed for oil-air lubrication  

12 000 r/min

15 degree

Dw

25.4 mm

i

1

z

15

G

40.899 cm³

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

590 N

 

122 N/µm

GB

1 180 N

Axial stiffness for preload B (sets of two brgs back-to-back or face-to-face)  

165 N/µm

GC

2 360 N

Axial stiffness for preload C (sets of two brgs back-to-back or face-to-face)  

230 N/µm

GD

4 720 N

Axial stiffness for preload D (sets of two brgs back-to-back or face-to-face)  

331 N/µm

f

1.09

f1

1

f2A

1

f2B

1.01

f2C

1.03

f2D

1.05

f

1

f0

14.5

 

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.

S7024 ACEGA/P4A 120 180 28
S7024 ACE/P4ADGA 120 180 56
S7024 ACE/P4ADBA 120 180 56
S7024 ACE/P4A 120 180 28
S7024 ACE/HCP4ATGA 120 180 84
S7024 ACE/HCP4ADGA 120 180 56
S7024 ACDGC/P4A 120 180 28
S7024 ACDGB/P4A 120 180 28
S7024 ACDGA/P4A 120 180 28
S7024 ACDGA/HCP4A 120 180 28
S7024 ACD/P4ATBTC 120 180 84
S7024 ACD/P4AQGA 120 180 112
S7024 ACD/P4AQBCC 120 180 112
S7024 ACD/P4AQBCB 120 180 112
S7024 ACD/P4ADGC 120 180 56
S7024 ACD/P4ADBB 120 180 56
S7024 ACD/P4A 120 180 28
S7024 ACD/HCP4ADGB 120 180 56
7220 CDGB/P4A 100 180 34
7220 CDGA/P4A 100 180 34
7220 CDGA/HCP4A 100 180 34
7220 CD/P4ATBTA 100 180 102
7220 CD/P4ADGC 100 180 68
7220 CD/P4ADGB 100 180 68
7220 CD/P4ADGA 100 180 68
7220 CD/P4ADFB 100 180 68
7220 CD/P4ADBB 100 180 68
7220 CD/P4ADBA 100 180 68
7220 CD/P4A 100 180 34
7220 CD/HCP4ADGD 100 180 68

Chú phổ biến: 7220 cd/p4a, 7220 cd/p4a suppliers

Bạn cũng có thể thích

Gửi yêu cầu

whatsapp

Điện thoại

Thư điện tử

Yêu cầu thông tin