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Home > products > Precision Ball Bearings > 71911 CB/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7911

71911 CB/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7911

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71911 CB/HCP4A

Payment & Shipping Terms

Minimum Order Quantity: 1000

Price: Please contact us,thanks

Packaging Details: plastic bag,box,carton,pallet

Delivery Time: 2-4 weeks

Payment Terms: L/C,T/T

Supply Ability: 200000pcs per month

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Highlight:
Part Number:
71911 CB/HCP4A Angular Contact Ball Bearing
Structure:
Angular Contact
Seals Type:
Open (2RZ Available)
Ring Type:
One-piece Inner And Outer Rings
Lubrication:
Grease,Oil
Replaceable With:
SKF, NSK 7911CSN24TRP4
Coating:
Without
Sealing:
Without
Design:
High-speed B
Contact Type:
Normal Contact (two-point Contact)
Part Number:
71911 CB/HCP4A Angular Contact Ball Bearing
Structure:
Angular Contact
Seals Type:
Open (2RZ Available)
Ring Type:
One-piece Inner And Outer Rings
Lubrication:
Grease,Oil
Replaceable With:
SKF, NSK 7911CSN24TRP4
Coating:
Without
Sealing:
Without
Design:
High-speed B
Contact Type:
Normal Contact (two-point Contact)
71911 CB/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7911

71911 CB/HCP4A 55*80*13 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid  Ceramic Balls High Speed

Super-precision, high-speed B design, single row angular contact ball bearing  

 

The 71911 CB/HCP4A bearing,bore diameter is 55 mm, outside diameter is 80 mm,width is 13 mm,featuring precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.

 

Part Number 71911 CB/HCP4A
Bearing Type Angular Contact
Measurement Unit Metric
Dimensions Inner Bore Diameter (d) 55 mm
Inner Bore Diameter Tolerance -0.007mm to 0
Outer Bore Diameter (D) 80 mm
Outer Bore Diameter Tolerance -0.007mm to 0
Width (B) 13 mm
Width Tolerance -0.2mm to 0
Specifications Contact Angle 15° (25°,40° Available)
Material Hybrid (Chrome Steel Rings, Ceramic Balls)
Cage Material Phenolic
Number of Rows 1 Single Row
Seal Type Open
Temperature Range -30°C to 150°C
Lubrication Oil,Grease  
Tolerance Class P4A better than P4 (ABEC-7)
Weight 0.17 kg
Matched Arrangement No
Universal Matching Bearing No
Preload Not applicable
Load and Speed Dynamic Radial Load 9950 N
Static Radial Load 8150 N
Reference Speed For Grease (r/min) 28,000 rpm
Limiting Speed For Oil(r/min) 43,000 rpm

 

 

 

71911 CB/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7911 0

 

71911 CB/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7911 1

 

What's the Performance Features of 71911 CB/HCP4A Bearing?

 

The 71911 CB/HCP4A angular contact ball bearing is engineered for high-precision and high-performance applications, featuring very tight tolerances suitable for precise machinery, the ability to handle both radial and axial loads simultaneously, high-speed operation with stability, low torque and friction for energy efficiency, enhanced rigidity for accuracy under heavy loads, durability with extended service life, effective performance across a wide temperature range.

 

What's the Applications of the 71911 CB/HCP4A Bearing?

 

The 71911 CB/HCP4A bearing is an angular contact ball bearing designed to simultaneously handle both radial and axial loads. It is well-suited for high-speed applications due to its excellent performance characteristics. Below are the key application areas where this bearing can be utilized:


1. Industrial Manufacturing Equipment

  • Shoe Sewing Machines: Shoe sewing machines require precise motion control and high rotational speeds. The 71911 CB/HCP4A bearing meets these demands with its ability to provide stable, high-speed operation.
  • Arc Welding Machines: During welding operations, arc welding machines need consistent and reliable performance. This bearing ensures smooth operation, reducing the risk of interruptions and improving welding quality.
  • Chip Removal Machines: These machines are used to remove metal chips and other debris. The 71911 CB/HCP4A bearing provides the stability and reliability required to maintain uninterrupted equipment operation.
  • Glass Machinery: Glass processing equipment demands high precision and speed during operations such as cutting, shaping, and polishing. This bearing ensures accurate and stable performance, meeting the stringent requirements of glass machinery.

2. Medical Equipment

  • Medical Support Devices: Medical equipment requires exceptional stability and reliability to ensure smooth operation during critical procedures. The 71911 CB/HCP4A bearing provides the necessary support, ensuring the safe and efficient functioning of medical devices.

3. Heat Exchange Equipment

  • Spiral Plate Heat Exchangers: In heat exchange processes, spiral plate heat exchangers must operate stably to achieve efficient thermal transfer. The superior performance of this bearing ensures consistent operation, improving heat exchange efficiency.

4. Mining Exploration

  • Geophysical Exploration Instruments: Mining exploration instruments often operate in harsh geological environments. The 71911 CB/HCP4A bearing can adapt to various working conditions, providing reliable support for the proper functioning of geophysical instruments.

5. Food Processing

  • Slaughtering and Meat Processing Equipment: In meat processing operations, equipment must withstand significant loads while maintaining stable operation. The 71911 CB/HCP4A bearing meets these requirements, ensuring smooth and efficient meat processing.

6. Other Fields

Due to its ability to handle both radial and axial loads and operate at high speeds, the 71911 CB/HCP4A bearing is also applicable in a variety of other fields:

  • AC Welding Machines: Ensures stable operation during welding processes.
  • Mesh Belt Furnaces: Provides reliable support for high-temperature processing.
  • Cleaning Machinery: Maintains stable performance during cleaning operations.
  • Flash Dryers: Supports high-speed drying processes.
  • Binding Machines: Ensures precise and efficient binding operations.
  • Manual Welding Machines: Delivers consistent performance during manual welding tasks.
  • Rotary Dryers: Handles dynamic loads in drying processes.
  • Laboratory Mixing Equipment: Ensures accurate mixing in laboratory settings.
  • Plastics and Rubber Industry: Supports machinery requiring high precision and durability.
  • Pressing Tables: Provides stable operation for pressing and ironing applications.
CERTIFICATE RoHS & REACH, IATF16949:2016
Feature High Speed and Stiffness,High Running Accuracy,High Load Carrying Capacity
Service OEM&ODM Customized Services
Samples Please Contact Us
Service Online Support,Professional Service
Size Standard,For custom sizes ,please contact us
Factory Manufacturer Yes

If you need more detailed information , feel free to ask!

71911 CB/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7911 2