SKF 7021ACD/HCP4ALDGA Super-precision angular contact ball bearing

SKF 7021ACD/HCP4ALDGA 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 7021ACD/HCP4ALDGA

Bore d

105 mm

HS code

8482.10

Bore diameter

105 mm

Outside diameter

160 mm

Width

52 mm

Contact angle

25 °

Basic dynamic load rating

148 kN

Basic static load rating

186 kN

Note

Refer to catalogue data or contact SKF for the attainable speeds

Contact type

Normal contact (two-point contact)

Number of rows

2

Ring type

One-piece inner and outer rings

Design

High-capacity D

Universal matching bearing

Yes, back-to-back (<>), face-to-face (>>)

Matched arrangement

Universal matching

Number of bearings in matched set

2

Matched condition (axial clearance/ preload)

Extra light preload

Tolerance class

P4A

Material, bearing

Hybrid (ceramic balls)

Coating

Without

Sealing

Without

Lubricant

None

Special feature

Suitable for direct oil-air lubrication

Indicative carbon footprint for new product

9.6 kg CO2e

Product net weight

2.59 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 70214
• NSK 70214
• GMN 70214
• Timken 70214
• Koyo 70214
• Equivalent: 70214 (FAG)
• Equivalent: 70214 (NSK)
• Equivalent: 70214 (GMN)
• Equivalent: 70214 (Timken)
• Equivalent: 70214 (Koyo)