Super Precision Angular Contact Ball Bearings S7030 CD/P4AQBCA

The S7030 CD/P4AQBCA is a super precision angular contact ball bearing with a 150mm bore and 225mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 103950 lbf and operates smoothly at speeds up to 11000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 15° contact angle and extra-light preload (Class A) provide excellent accuracy for demanding applications.

This matched set of four bearings (QBC arrangement) is ideal for high-precision machinery like CNC spindles or grinding equipment. It works reliably in temperatures from -30°C to 110°C.

Weighing 16.8kg, it’s a robust choice for industrial use. Compliant with P4A tolerance standards, it offers interchangeability with SKF bearings for easy replacement.

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Description

Features

Application

Q&A

Product Parameters

Part Number S7030 CD/P4AQBCA
Brand TFL
Interchangeable SKF
Bore Dia 150 mm
Bore Dia Tolerance -0.004mm to 0
Outer Dia 225 mm
Outer Dia Tolerance -0.004mm to 0
Width 140 mm
Width Tolerance -0.2mm to 0
Ball Dia 23.812 mm
Ball Qty 22
Contact Angle 15°
Tolerance Class P4A
System of Measurement Metric
Seal Type Sealed
Matched Arrangement 4 bearings <<>> QBC
Number Of Bearings In Matched Set 4
Universal Matching Bearing No
Preload Extra light / Class A
For Load Direction Angular Contact
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Phenolic
Dynamic Radial Load 103950 lbf
Static Radial Load 172125 lbf
Lubrication Grease
Temperature Range - 30°C to 110 °C
Max Speed 11000 rpm
Weight 16.8 kg

Super Precision Angular Contact Ball Bearings S7030 CD/P4AQBCA dimension drawing

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Features

Performance Features of S7030 CD/P4AQBCA Bearing

S7030 CD/P4AQBCA Bearing is designed 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 103950 lbf.

The sealed design and phenolic cage ensure smooth operation, even at high speeds of 11,000 rpm.
Grease lubrication reduces friction, making it suitable for precision tasks.

With a P4A tolerance class, S7030 CD/P4AQBCA Bearing offers reliable performance in temperatures from -30°C to 110°C.
The matched arrangement of four bearings ensures stability in demanding conditions.

Application

Industrial Uses of S7030 CD/P4AQBCA Bearing
S7030 CD/P4AQBCA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In aerospace applications, S7030 CD/P4AQBCA Bearing supports critical components like turbine shafts, thanks to its extra-light preload and high-speed capabilities. The matched arrangement of four bearings provides stability under demanding conditions.

For automation systems, S7030 CD/P4AQBCA Bearing is ideal for robotic arms, offering smooth movement and long service life. The phenolic cage material reduces friction, making it suitable for continuous operation.

Medical imaging devices benefit from S7030 CD/P4AQBCA Bearing’s precision and reliability, ensuring consistent performance in sensitive equipment. The grease lubrication further enhances its durability in high-use scenarios.