SKF 71804CD/HCP4 Super-precision angular contact ball bearing
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Product Description
SKF 71804CD/HCP4 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.
Technical Specifications
- Type
- Super-precision angular contact ball bearing
- Designation
- SKF 71804CD/HCP4
- Bore d
- 20 mm
- HS code
- 8482.10
- Bore diameter
- 20 mm
- Outside diameter
- 32 mm
- Width
- 7 mm
- Contact angle
- 15 °
- Basic dynamic load rating
- 3.9 kN
- Basic static load rating
- 2.65 kN
- Attainable speed for grease lubrication
- 53000 r/min
- Attainable speed for oil-air lubrication
- 80000 r/min
- Contact type
- Normal contact (two-point contact)
- Number of rows
- 1
- Ring type
- One-piece inner and outer rings
- Design
- High-capacity D
- Universal matching bearing
- No
- Matched arrangement
- No
- Matched condition (axial clearance/ preload)
- Not applicable
- Tolerance class
- P4
- Material, bearing
- Hybrid (ceramic balls)
- Coating
- Without
- Sealing
- Without
- Lubricant
- None
- Indicative carbon footprint for new product
- 0.06 kg CO2e
- Product net weight
- 0.017 kg
- eClass code
- 23-05-08-03
- UNSPSC code
- 31171531
Standards & Compliance
- Standard
- SKF designation convention (see description for governing ISO / DIN)
- Material
- As declared by SKF designation suffix
- Temperature Range
- Per SKF product data
- HS Code
- 8482.10
Cross References
- FAG 718044
- NSK 718044
- GMN 718044
- Timken 718044
- Koyo 718044
- Equivalent: 718044 (FAG)
- Equivalent: 718044 (NSK)
- Equivalent: 718044 (GMN)
- Equivalent: 718044 (Timken)
- Equivalent: 718044 (Koyo)
Compatibility & Fitment
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 71804CD/HCP4?
- 71804CD/HCP4 can be ordered from cballast.com as a SKF catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this SKF product?
- The manufacturer part number is 71804CD/HCP4.
- What is the HS code for 71804CD/HCP4?
- The customs tariff (HS) code for 71804CD/HCP4 is 8482.10.
- Who manufactures 71804CD/HCP4?
- 71804CD/HCP4 is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for 71804CD/HCP4?
- Yes — the 71804CD/HCP4 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 71804CD/HCP4?
- The minimum order quantity is 1.
- Is 71804CD/HCP4 available?
- Yes — 71804CD/HCP4 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).