+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 7021 CD/P4ADBC

Super Precision Angular Contact Ball Bearings 7021 CD/P4ADBC

The 7021 CD/P4ADBC is a super precision angular contact ball bearing with a 105mm bore and 160mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 35100 lbf and operates smoothly at speeds up to 16000 RPM.

Its 15° contact angle and matched pair arrangement (DB) provide excellent stability under combined loads. The phenolic cage ensures durability while keeping the weight manageable at 3.18kg.

This bearing is lubricated for long service life and works in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or robotics where accuracy is key.

Compatible with SKF bearings, it offers a reliable replacement option. The open design allows for easy maintenance and inspection.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 7021 CD/P4ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 105 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 160 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 52 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 17.462 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 35100 lbf
  • Static Radial Load 43425 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 3.18 kg
Super Precision Angular Contact Ball Bearings 7021 CD/P4ADBC dimension drawing
Download DWG Download PDF

Features

Why Choose 7021 CD/P4ADBC Bearing for Precision Tasks?

7021 CD/P4ADBC Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and reliable performance under dynamic radial loads up to 35100 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 16,000 rpm, it balances high-speed performance with precision.

Moderate preload (Class C) improves stability, making it suitable for matched arrangements.
Its P4A tolerance class guarantees consistent accuracy in demanding conditions.

Application

Industrial Uses of 7021 CD/P4ADBC Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability under radial and axial loads.

Where Is 7021 CD/P4ADBC Bearing Used?
You’ll find it in automotive transmissions, where the moderate preload helps maintain gear alignment. The phenolic cage reduces friction, making it suitable for high-speed applications.

Built for Heavy-Duty Use: 7021 CD/P4ADBC Bearing
It’s a reliable choice for industrial pumps, handling both dynamic and static loads with ease. The chrome steel construction offers durability in demanding environments.

Automotive vs Aerospace: Applications of 7021 CD/P4ADBC Bearing
In automotive systems, it supports gearboxes, while in aerospace, it’s used in turbine shafts. The P4A tolerance class ensures precision across both industries.

Perfect Fit for Automation: 7021 CD/P4ADBC Bearing
Robotic arms benefit from its high-speed capability and angular contact design. The lubricated setup ensures smooth operation in continuous use scenarios.

Q&A

SEND INQUIRY