71930 ACD/P4ATBTB

71930 ACD/P4ATBTB

These sets of three matched super-precision angular contact ball bearings are available as universally matchable bearings or as preconfigured arrangements. Sets arranged in back-to-back and tandem, or face-to-face and tandem, are available in different preload classes and correct mounting results in preload within a predetermined range, without the need for shims or similar devices. Sets of three bearings paired in tandem need to be mounted against a single bearing, or another set of bearings in tandem, to achieve the desired preload. The bore and outside diameters of the bearings are matched to within a maximum of one-third of the permitted diameter tolerance, to provide better load distribution than single universally matchable bearings.Very high running accuracyHigh axial and radial stiffnessHigh axial and radial load carrying capacity
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Dimensions - 71930 ACD/P4ATBTB

d

150 mm

D

210 mm

B

84 mm

d1

168.5 mm

r1,2

min.2 mm

r3,4

min.1 mm

Abutment dimensions - 71930 ACD/P4ATBTBAbutment dimensions - 71930 ACD/P4ATBTB

da

min.159 mm

Db

max.205 mm

ra

max.2 mm

rb

max.1 mm

dn

173.5 mm

C

234 kN

C0

375 kN

Pu

11.8 kN

 

25 degree

Dw

19.05 mm

i

3

z

23

G

35 cm³

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

B

G

1 998 N

 

648.15 N/µm

f

1.24

f1

0.98

f2B

1.04

f

1

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.

71930 ACD/P4ATBTB 150 210 84
71930 ACD/P4ATBTA 150 210 84
71930 ACD/P4AQGA 150 210 112
71930 ACD/P4ALDT 150 210 56
71930 ACD/P4ADGB 150 210 56
71930 ACD/P4ADGA 150 210 56
71930 ACD/P4ADBC 150 210 56
71930 ACD/P4ADBB 150 210 56
71930 ACD/P4ADBA 150 210 56
71930 ACD/P4A 150 210 28
71930 ACD/HCP4ALDT 150 210 56
71930 ACD/HCP4ADGAGMM1 150 210 56
71930 ACD/HCP4ADGA 150 210 56
7028 CDGB/P4A 140 210 33
7028 CDGA/P4A 140 210 33
7028 CDGA/HCP4A 140 210 33
7028 CD/P4ATGA 140 210 99
7028 CD/P4ATBTB 140 210 99
7028 CD/P4ATBTA 140 210 99
7028 CD/P4ADGB 140 210 66
7028 CD/P4ADGA 140 210 66
7028 CD/P4ADBB 140 210 66
7028 CD/P4ADBA 140 210 66
7028 CD/P4A 140 210 33
7028 CD/HCP4ADGA 140 210 66
7028 CD/HCP4A 140 210 33
7028 ACDGC/P4A 140 210 33
7028 ACDGB/P4A 140 210 33
7028 ACDGA/P4A 140 210 33
7028 ACD/P4ATGA 140 210 99

 

תגיות פופולריות: 71930 acd/p4atbtb, 71930 acd/p4atbtb suppliers

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