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Double Row Angular Contact Ball Bearings are precision rolling units engineered to support combined radial and high bidirectional axial loads in a single, compact assembly. Structurally corresponding to two single-row angular contact ball bearings arranged in a back-to-back (DB) configuration, these bearings feature unified inner and outer rings with predefined contact angles (typically 25° to 30°).
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Single Row Angular Contact (7300 Series)
Single Row Angular Contact Ball Bearings are precision rolling bearings specifically designed to accommodate combined radial and unidirectional axial loads. Featuring contact angles (typically 15°, 25°, 30°, or 40°) defined between the ball contact points and the raceways, these bearings transmit axial forces along a straight vector through the unit.
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Single Row Angular Contact (7200 Series)
Single Row Angular Contact Ball Bearings are precision rolling bearings specifically designed to accommodate combined radial and unidirectional axial loads. Featuring contact angles (typically 15°, 25°, 30°, or 40°) defined between the ball contact points and the raceways, these bearings transmit axial forces along a straight vector through the unit.
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Four-point Contact Ball Bearings (QJ Series)
Four-Point Contact Ball Bearings are specialized radial single-row angular contact ball bearings engineered with a split inner ring (or split outer ring) and gothic arch raceways. The unique gothic arch profile allows a single bearing ball to contact the raceways at four distinct points under light or zero axial load.
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Angular contact bearing balls (type 70000 AC) with α=25°, are inseparable and can only bear the axial force of one side, and the shoulder heights on both sides of the inner and outer rings are different, so more steel balls can be loaded to improve the bearing capacity. Mainly used in a wide range of industries such as automobiles, electrical equipment, machine tools, and aircraft.
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