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Super Precision Angular Contact Ball Bearings S7018 ACEGA/HCP4A
Super Precision Angular Contact Ball Bearings S7018 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings S7018 ACEGA/HCP4A

The S7018 ACEGA/HCP4A is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and ceramic balls ensure smooth operation under angular loads.

This sealed bearing handles dynamic radial loads up to 7605 lbf and spins at speeds up to 15,000 RPM. The phenolic cage and grease lubrication make it durable and low-maintenance.

Designed for extra light preload, it’s ideal for high-precision applications like machine tools or spindle drives. The P4A tolerance class guarantees exceptional accuracy.

Weighing 1.16kg, it’s suitable for matched arrangements (back-to-back, face-to-face, or tandem). Works reliably in temperatures from -30°C to 110°C. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S7018 ACEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 7605 lbf
  • Static Radial Load 6750 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.16 kg

Features

Performance Features of S7018 ACEGA/HCP4A Bearing

S7018 ACEGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.

Its 25° contact angle provides excellent angular contact performance, suitable for complex load conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.

With a maximum speed of 15,000 rpm, it delivers reliable performance in high-speed applications.

Application

Industrial Uses of S7018 ACEGA/HCP4A Bearing
S7018 ACEGA/HCP4A Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design helps keep contaminants out, extending service life in demanding industrial environments.

In automotive applications, S7018 ACEGA/HCP4A Bearing supports precision components like turbochargers and electric motor shafts. Its extra light preload ensures smooth rotation, while the P4A tolerance class maintains consistent performance under angular loads.

For medical imaging devices, S7018 ACEGA/HCP4A Bearing’s chrome steel rings and ceramic balls provide quiet, vibration-free operation. The grease lubrication and wide temperature range make it suitable for sensitive equipment requiring reliable, long-term use.

Automation systems benefit from S7018 ACEGA/HCP4A Bearing’s ability to handle both radial and axial loads in robotic arms. Its universal matching feature allows for flexible configurations in back-to-back or tandem arrangements, adapting to various automation needs.

In consumer electronics, S7018 ACEGA/HCP4A Bearing’s compact design and high-speed capability make it ideal for precision tools like dental drills. The phenolic cage material ensures lightweight performance without compromising durability in frequent-use scenarios.

Q&A

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