FAG HSS71912-C-T-P4S-K5-UL Spindle Bearing - 60x85x13 mm - Super Precision Angular Contact Ball Bearing

FAG HSS71912-C-T-P4S-K5-UL Spindle Bearing - 60x85x13 mm - Super Precision Angular Contact Ball Bearing

The FAG HSS71912-C-T-P4S-K5-UL is a super precision angular contact ball bearing designed for high-speed spindle applications in machine tools. With its optimized internal design and high-quality materials, it ensures exceptional performance in demanding environments.​

Key Features:

• Dimensions: 60 mm (Inner Diameter) x 85 mm (Outer Diameter) x 13 mm (Width)

• Contact Angle: 15°

• Precision Rating: P4S+K5 (ISO P4 with enhanced bore and outer diameter tolerances)

• Cage Material: Textile laminated phenolic resin (TB)

• Sealing: Two non-contact rubber seals (2RU)

• Preload: Light (UL)

• Dynamic Load Rating: 9.2 kN

• Static Load Rating: 5.7 kN

• Limiting Speed (Grease): 22,000 rpm

• Weight: 0.22 kg​

Applications:

• Main spindles in CNC machines

• High-speed milling and grinding spindles

• Precision rotary tables

• Medical equipment requiring high rotational accuracy

• Aerospace components with stringent tolerance requirements​

❓ Frequently Asked Questions (FAQ)

Q1: What does the "P4S+K5" precision rating signify?
A1: "P4S+K5" indicates a higher precision level than standard P4, ensuring superior accuracy and performance in high-speed applications.​

Q2: Can this bearing handle high-speed operations?
A2: Yes, with a grease limiting speed of 22,000 rpm, it's ideal for high-speed spindle applications.​

Q3: What is the purpose of the 15° contact angle?
A3: The 15° contact angle allows the bearing to accommodate axial loads in one direction, making it suitable for precision spindle applications.​

Q4: Is this bearing sealed?
A4: Yes, it features two non-contact rubber seals (2RU) to protect against contamination and retain lubrication.​

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