SKF 71938CD/P4ADGB — Super-precision angular contact ball bearing
SKF · Bearings & Power Transmission · Super-Precision Angular Contact Bearings
SKF 71938CD/P4ADGB super-precision angular contact ball bearing. Super-precision (ISO 492 P4A / P2A) single-row angular contact ball bearing for machine-tool spindles, high-speed pump rotors, precision index tables. Contact angle 15° (E / 7000C) or 25° (7000A / ACD). Standard cage TN9 (nylon) or T (fabric-reinforced phenolic) for the highest speed ratings. Universally-matched sets available for back-to-back, face-to-face or tandem pair mounting. Designation follows the SKF alphanumeric identification convention where the numeric block encodes the boundary plan and the suffix declares execution options (material, sealing, cage, precision, clearance, lubricant). Genuine SKF supply carries the SKF logo etch or moulded mark and hologram-authenticated packaging.
Specifications
- Part number
- 71938CD/P4ADGB
- HS code
- 8482.10
- Material
- As declared by SKF designation suffix
- Temperature range
- Per SKF product data
- Standard
- SKF designation convention (see description for governing ISO / DIN)
Compatibility
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.
Also known as — OEM cross-references & superseded numbers
- FAG 719384
- NSK 719384
- GMN 719384
- Timken 719384
- Koyo 719384
- Competitor equivalent: 719384 (FAG)
- Competitor equivalent: 719384 (NSK)
- Competitor equivalent: 719384 (GMN)
- Competitor equivalent: 719384 (Timken)
- Competitor equivalent: 719384 (Koyo)
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