SKF 71811ACD/HCP4TBTA Super-precision angular contact ball bearing

SKF 71811ACD/HCP4TBTA 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.

Type

Super-precision angular contact ball bearing

Designation

SKF 71811ACD/HCP4TBTA

Bore d

55 mm

HS code

8482.10

Bore diameter

55 mm

Outside diameter

72 mm

Width

27 mm

Contact angle

25 °

Basic dynamic load rating

20.8 kN

Basic static load rating

30.5 kN

Note

Refer to catalogue data or contact SKF for the attainable speeds

Contact type

Normal contact (two-point contact)

Number of rows

3

Ring type

One-piece inner and outer rings

Design

High-capacity D

Universal matching bearing

No

Matched arrangement

<>>

Number of bearings in matched set

3

Matched condition (axial clearance/ preload)

Extra light preload

Tolerance class

P4

Material, bearing

Hybrid (ceramic balls)

Coating

Without

Sealing

Without

Lubricant

None

Indicative carbon footprint for new product

0.89 kg CO2e

Product net weight

0.24 kg

eClass code

23-05-08-03

UNSPSC code

31171531

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

• FAG 718114
• NSK 718114
• GMN 718114
• Timken 718114
• Koyo 718114
• Equivalent: 718114 (FAG)
• Equivalent: 718114 (NSK)
• Equivalent: 718114 (GMN)
• Equivalent: 718114 (Timken)
• Equivalent: 718114 (Koyo)