7028 CD/P4A Bearing

7028 CD/P4A Bearing

size:140*210*33mm
weight: 3.36kg
Super precision bearings
Angular contact ball bearings
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Product Introduction

Products Description

Bore diameter 140 mm
Outside diameter 210 mm
Width 33 mm
Contact angle 15 °
Basic dynamic load rating 153 kN
Basic static load rating 166 kN
Attainable speed for grease lubrication 6 700 r/min
Attainable speed for oil-air lubrication 10 000 r/min
Product net weight 3.36 kg

7028 CD-P4A bearing

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he 7028 CD/P4A super precision bearing is engineered for demanding applications requiring exceptional accuracy and rigidity. Its optimized internal geometry and P4A (ABEC 9) precision class ensure minimal run-out and high rotational accuracy, crucial for machine tool spindles, grinding machines, and precision measuring equipment. The 'CD' designation signifies a 15° contact angle, providing a balanced combination of radial and axial stiffness, vital for maintaining tight tolerances under varying loads. With its robust design and ability to handle high speeds, the 7028 CD/P4A delivers reliable, long-lasting performance in critical industrial operations where precision is paramount.

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