Super Precision Angular Contact Ball Bearings 71919 CD/P4A

The 71919 CD/P4A is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 11115 lbf and operates smoothly at speeds up to 15000 RPM.

With a 15° contact angle and open design, it offers excellent performance for angular contact applications. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is suitable for temperatures ranging from -30°C to 110°C and comes pre-lubricated for immediate use. Its P4 tolerance class (ABEC-7) ensures high precision and reliability.

Ideal for precision machinery like spindles or high-speed tools, this model is interchangeable with SKF bearings. Weighing 0.58kg, it balances strength and precision in demanding environments.

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Description

Features

Application

Q&A

Product Parameters

Part Number 71919 CD/P4A
Brand TFL
Interchangeable SKF
Bore Dia 95 mm
Bore Dia Tolerance -0.008mm to 0
Outer Dia 130 mm
Outer Dia Tolerance -0.009mm to 0
Width 18 mm
Width Tolerance -0.2mm to 0
Ball Dia 11.112 mm
Ball Qty 28
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 11115 lbf
Static Radial Load 12375 lbf
Lubrication Lubricated
Temperature Range -30° to 110 °C
Max Speed 15000 rpm
Weight 0.58 kg
Price（$） 112.167

Super Precision Angular Contact Ball Bearings 71919 CD/P4A dimension drawing

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Features

Performance Features of 71919 CD/P4A Bearing

71919 CD/P4A Bearing is crafted with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 11,115 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 15,000 rpm.
Precision-engineered to P4 tolerance standards, it delivers reliable performance in demanding conditions.

71919 CD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, maintaining consistent performance over time.

Application

Industrial Uses of 71919 CD/P4A Bearing
71919 CD/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In automotive applications, 71919 CD/P4A Bearing supports gearbox systems, providing stable performance under radial and axial loads. Its P4 tolerance class ensures consistent operation in demanding conditions.

For automation equipment, 71919 CD/P4A Bearing is ideal for robotic arms, offering reliable movement with minimal vibration. The chrome steel construction enhances durability in continuous use scenarios.

Medical imaging devices benefit from 71919 CD/P4A Bearing’s precision, ensuring smooth operation in critical applications. The open design allows for easy lubrication, maintaining performance over time.

In consumer electronics, 71919 CD/P4A Bearing can be found in high-end printers, where its low noise and high-speed capabilities are valued. The metric sizing ensures compatibility with various international models.