Product Specifications
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Model Number: 71912 ACD/PA9ADBC
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Manufacturer: SKF
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Bearing Type: Angular Contact Ball Bearing
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Precision Class: PA9A (ISO P2 equivalent, ultra-high precision)
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Contact Angle: 25° (ACD design)
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Bore Diameter: 60 mm
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Outside Diameter: 85 mm
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Width: 13 mm
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Configuration: DBC (duplex matched pair, back-to-back arrangement)
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Cage Material: Polyamide (lightweight, low-friction)
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Lubrication: Pre-lubricated or grease-lubricated (based on application)
Key Features
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Ultra-high precision (PA9A) for maximum spindle stability and repeatability
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25° contact angle optimized for both axial and radial load capacity
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Duplex (DBC) matching ensures accurate preload and alignment
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Lightweight polyamide cage allows for high-speed operation with reduced heat buildup
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Designed for low noise and minimal vibration at elevated rotational speeds
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Ideal for high-speed machining and grinding applications
Applications
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CNC machine tool spindles
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Precision grinding machines
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Robotics and automation systems
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High-speed electric motors
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Measurement and inspection equipment
Alternative model numbers include: 71912ACD/PA9A DBC, SKF 71912ACD-DBC, 71912-PA9ADBC, 71912ACDPA9A-DB, SKF Super Precision 71912ACD
Common misspellings include: 79192 ACD/PA9ADBC, 71912 ACD/PA9ADCB, SKF 71912ACD/P9A, 71912ACDPA9ADCB, 71912ACDPAA9ADBC
