SKF 7218ACD/HCP4ATBTB — Super-precision angular contact ball bearing
SKF · Bearings & Power Transmission · Super-Precision Angular Contact Bearings
SKF 7218ACD/HCP4ATBTB 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. Boundary plan per ISO 15 / ISO 355: bore d = 90 mm, outside diameter D = 160 mm, width B (or height H) = 30 mm.
Specifications
- Part number
- 7218ACD/HCP4ATBTB
- HS code
- 8482.10
- Material
- As declared by SKF designation suffix
- Dimensions
- 90 × 160 × 30 mm (bore d × OD D × width B / height H)
- 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Also known as — OEM cross-references & superseded numbers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 72184
- NSK 72184
- GMN 72184
- Timken 72184
- Koyo 72184
- Competitor equivalent: 72184 (FAG)
- Competitor equivalent: 72184 (NSK)
- Competitor equivalent: 72184 (GMN)
- Competitor equivalent: 72184 (Timken)
- Competitor equivalent: 72184 (Koyo)
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