FAG B7011-E-2RSD-T-P4S-UL - High-Precision Angular Contact Spindle Bearing (55x90x18 mm)

FAG B7011-E-2RSD-T-P4S-UL - High-Precision Angular Contact Spindle Bearing (55x90x18 mm)

The FAG B7011-E-2RSD-T-P4S-UL is a super-precision, single-row angular contact ball bearing designed for high-speed and high-accuracy applications. With a 25° contact angle and P4S precision class, it ensures optimal performance in demanding environments such as CNC machinery, spindles, and precision tools. The non-contact 2RSD seals on both sides provide effective protection against contamination while minimizing friction.

Technical Specifications

• Inner Diameter (d): 55 mm

• Outer Diameter (D): 90 mm

• Width (B): 18 mm

• Contact Angle: 25°

• Sealing: 2RSD (non-contact seals on both sides)

• Cage Material: Phenolic resin (T)

• Precision Class: P4S (higher than ISO P4)

• Preload: UL (universal pairing with light preload)

• Dynamic Load Rating (Cr): 37,000 N

• Static Load Rating (C₀r): 21,000 N

• Limiting Speed (grease lubrication): 14,000 rpm

• Weight: 0.37 kg

Key Features

• High-Speed Capability: Designed for applications requiring high rotational speeds with minimal vibration.

• Enhanced Precision: P4S precision class ensures superior dimensional and running accuracy.

• Effective Sealing: 2RSD non-contact seals protect against contaminants without increasing friction.

• Durable Construction: Phenolic resin cage offers strength and reduces weight for improved performance.

• Versatile Mounting: UL designation allows for universal pairing in various arrangements without the need for preload adjustments.

Applications

Ideal for use in:

• CNC machine spindles

• High-speed milling and grinding machines

• Precision rotary tables

• Robotics and automation equipment

• Aerospace and medical devices requiring high-precision bearings

Frequently Asked Questions (FAQ)

Q1: What does the 'UL' designation mean in this bearing?
A1: 'UL' indicates a universal pairing with light preload, allowing for flexible mounting in various arrangements without the need for preload adjustments.

Q2: Are the 2RSD seals contact or non-contact?
A2: The 2RSD seals are non-contact, providing effective protection against contaminants while minimizing additional friction.

Q3: Can this bearing handle both radial and axial loads?
A3: Yes, the angular contact design allows it to support combined radial and axial loads, making it suitable for high-precision applications.

Q4: Is this bearing suitable for high-speed applications?
A4: Absolutely. With a limiting speed of 14,000 rpm under grease lubrication, it's designed for high-speed operations.