+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71821 CD/P4

Super Precision Angular Contact Ball Bearings 71821 CD/P4

The 71821 CD/P4 is a super precision angular contact ball bearing with a 105mm bore and 130mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 5152 lbf and operates smoothly at speeds up to 14,000 RPM.

With a 15° contact angle and P4 tolerance class, it offers high accuracy for demanding applications. The phenolic cage ensures quiet operation and long service life.

Its open design allows for easy lubrication, making maintenance straightforward. The bearing performs reliably in temperatures ranging from -30°C to 110°C.

Ideal for precision machinery like spindles or high-speed tools, this model is interchangeable with SKF bearings. Weighing 0.32kg, it balances strength and lightweight performance.

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

Product Parameters

  • Part Number 71821 CD/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 105 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 35
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5152 lbf
  • Static Radial Load 6750 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 14000 rpm
  • Weight 0.32 kg
  • Price（$） 1383.66
Super Precision Angular Contact Ball Bearings 71821 CD/P4 dimension drawing
Download DWG Download PDF

Features

Performance Features of 71821 CD/P4 Bearing

71821 CD/P4 Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 5152 lbf, 71821 CD/P4 Bearing handles demanding conditions reliably.
The P4 tolerance class guarantees high precision, making it suitable for applications requiring tight tolerances.

Operating at speeds up to 14,000 rpm, 71821 CD/P4 Bearing maintains performance without compromising efficiency.
Its temperature range of -30° to 110°C ensures adaptability in various environments.

The open design simplifies lubrication, extending maintenance intervals and reducing downtime.
Weighing just 0.32 kg, it offers a balance of strength and lightweight construction.

Application

Key Fields for 71821 CD/P4 Bearing
71821 CD/P4 Bearing is commonly used in high-precision machine tools, where its angular contact design helps maintain accuracy during heavy cutting operations. The P4 tolerance ensures minimal vibration, crucial for fine surface finishes.

In automotive applications, 71821 CD/P4 Bearing supports high-speed spindle systems in performance vehicles, handling both radial and axial loads efficiently. Its phenolic cage offers quiet operation, ideal for reducing noise in premium car models.

For robotics, 71821 CD/P4 Bearing provides reliable motion control in articulated arms, thanks to its 15° contact angle. The chrome steel construction ensures long service life even with continuous use in automated production lines.

Medical imaging devices benefit from 71821 CD/P4 Bearing’s precision, ensuring smooth rotation in CT scanners. The lubricated design reduces maintenance needs, making it suitable for critical healthcare environments.

In aerospace components, 71821 CD/P4 Bearing handles extreme loads while maintaining precision. Its lightweight phenolic cage and high-speed capability make it a trusted choice for aircraft instrumentation systems.

Q&A

SEND INQUIRY