Super Precision Angular Contact Ball Bearings S7004 ACDGA/P4A

The S7004 ACDGA/P4A is a super precision angular contact ball bearing with a 20mm bore and 42mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes sealed for protection.

This bearing handles radial loads up to 1872 lbf and spins smoothly at speeds up to 100,500 RPM. Its phenolic cage ensures quiet operation and long service life.

With an extra light preload (Class A), it offers precise performance in high-speed applications. The bearing is compatible with SKF models, making replacements straightforward.

Ideal for machine tools or spindle drives where accuracy is key. It operates in temperatures from -30°C to 110°C and weighs just 0.068kg, combining lightness with reliability.

The bearing can be arranged back-to-back, face-to-face, or tandem, offering flexibility in design. Compliant with P4A tolerance standards for consistent quality.

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Description

Features

Application

Q&A

Product Parameters

Part Number S7004 ACDGA/P4A
Brand TFL
Interchangeable SKF
Bore Dia 20 mm
Bore Dia Tolerance -0.004mm to 0
Outer Dia 42 mm
Outer Dia Tolerance -0.004mm to 0
Width 12 mm
Width Tolerance -0.2mm to 0
Ball Dia 6.35 mm
Ball Qty 12
Contact Angle 25°
Tolerance Class P4A
System of Measurement Metric
Seal Type Sealed
Matched Arrangement No
Number Of Bearings In Matched Set 3
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 Chrome Steel
Cage Material Phenolic
Dynamic Radial Load 1872 lbf
Static Radial Load 934 lbf
Lubrication Grease
Temperature Range - 30°C to 110 °C
Max Speed 100500 rpm
Weight 0.068 kg

Super Precision Angular Contact Ball Bearings S7004 ACDGA/P4A dimension drawing

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Features

How Does S7004 ACDGA/P4A Bearing Achieve Super Precision?

S7004 ACDGA/P4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability while maintaining tight tolerances for accurate performance.

The phenolic cage design reduces friction, allowing speeds up to 100,500 rpm without compromising stability.
With a dynamic radial load capacity of 1872 lbf, it handles demanding tasks with ease.

Sealed for protection, S7004 ACDGA/P4A Bearing operates reliably in temperatures from -30°C to 110°C.
Its grease lubrication ensures smooth operation while minimising maintenance needs.

The P4A tolerance class guarantees consistent precision, making it ideal for high-accuracy machinery.
Its universal matching capability allows flexible arrangement options for varied applications.

Application

Industrial Uses of S7004 ACDGA/P4A Bearing
S7004 ACDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

Where Is S7004 ACDGA/P4A Bearing Used?
In robotics, S7004 ACDGA/P4A Bearing provides smooth motion control for articulated arms, thanks to its extra light preload and high-speed capability. The phenolic cage reduces friction, enhancing efficiency in repetitive tasks.

Optimized for Performance: S7004 ACDGA/P4A Bearing
For medical imaging devices, S7004 ACDGA/P4A Bearing offers reliable operation with minimal vibration, crucial for clear diagnostic results. Its chrome steel construction ensures long-term durability in demanding clinical settings.

Light-Duty vs Heavy-Duty: Best Uses for S7004 ACDGA/P4A Bearing
In consumer electronics like high-end printers, S7004 ACDGA/P4A Bearing supports precise paper feed mechanisms. The grease lubrication and temperature range make it suitable for continuous operation without overheating.