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Home > products > Precision Ball Bearings > S71911 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7911 2RZ

S71911 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7911 2RZ

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: S71911 CD/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:
S71911 CD/HCP4A Angular Contact Ball Bearing
Structure:
Angular Contact
Seals Type:
Sealed,Seal On Both Sides,2RZ
Ring Type:
One-piece Inner And Outer Rings
Lubrication:
Grease
Replaceable With:
SKF, NSK 7911CSN24TRV1VP4
Coating:
Without
Sealing:
Without
Design:
High-capacity D
Contact Type:
Normal Contact (two-point Contact)
Part Number:
S71911 CD/HCP4A Angular Contact Ball Bearing
Structure:
Angular Contact
Seals Type:
Sealed,Seal On Both Sides,2RZ
Ring Type:
One-piece Inner And Outer Rings
Lubrication:
Grease
Replaceable With:
SKF, NSK 7911CSN24TRV1VP4
Coating:
Without
Sealing:
Without
Design:
High-capacity D
Contact Type:
Normal Contact (two-point Contact)
S71911 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7911 2RZ

S71911 CD/HCP4A 55*80*13 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid  Ceramic Balls High Speed

Super-precision, high-capacity, single row angular contact ball bearing with seals 

 

The S71911 CD/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 S71911 CD/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 Seal on both sides
Temperature Range -30°C to 150°C
Lubrication Grease  
Tolerance Class P4A better than P4 (ABEC-7)
Weight 0.15 kg
Matched Arrangement No
Universal Matching Bearing No
Preload Not applicable
Load and Speed Dynamic Radial Load 19500 N
Static Radial Load 14600 N
Reference Speed For Grease (r/min) 19,000 rpm
Limiting Speed For Oil(r/min) 30,000 rpm

 

 

 

S71911 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7911 2RZ 0

 

S71911 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7911 2RZ 1

 

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

 

The 71911 CD/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 CD/HCP4A Bearing?

 

The S71911 CD/HCP4A bearing is a precision angular contact ball bearing with features such as sealing, a 15° contact angle, and hybrid tolerances. It is suitable for use in a wide range of equipment and industries. Below is a detailed introduction:


Industrial Machinery

In various types of industrial machinery, the S71911 CD/HCP4A bearing plays an important role. It can be used in:

  • Machining centers
  • Tapping machines

This bearing supports high-speed and high-precision operation of these machines. Additionally, in fatigue testing machines, it ensures stable and accurate performance during testing, thereby improving the reliability of test results⁸.


Rubber & Plastic Processing Industry

Equipment such as rubber molding machines and plastic molding machines must withstand certain loads and rotational speeds during operation. Thanks to its excellent performance, this bearing meets the operational needs of such equipment, ensuring smooth production²⁵.


Food & Beverage Processing

In food and beverage processing equipment, this bearing helps ensure stable machine operation while meeting strict hygiene and safety standards in the food industry, thus contributing to product quality and production efficiency⁵.


Printing Industry

Precision and stability are crucial in printing equipment like business card printing machines. The S71911 CD/HCP4A bearing ensures accuracy and continuous operation in printing processes⁵.


Agricultural Machinery

Agricultural equipment such as tractors operates in complex environments and requires reliable components. This bearing adapts well to the working conditions of agricultural machinery, providing stable and durable performance⁵.


Textile Industry

In textile machinery, such as electrical instruments, precise transmission and stable operation are essential. The S71911 CD/HCP4A bearing meets these requirements, helping improve production efficiency and product quality⁵.


Drying & Dewatering Equipment

In washing and drying machines, granulation dryers, box-type dryers, and other similar equipment, bearings must have good thermal resistance and stability. This bearing performs reliably under such conditions, ensuring normal operation and long service life²⁸.


Cooling Equipment

Cooling towers — including counterflow cooling towers and crossflow cooling towers — require bearings that can withstand load and speed during operation. The S71911 CD/HCP4A bearing provides reliable support for these systems²⁸.


Construction Machinery

Heavy-duty construction equipment such as tower cranes often operate under high loads and torque. This bearing maintains stable performance even in harsh working conditions, contributing to safer and more efficient construction operations².


Other Applications

The S71911 CD/HCP4A bearing is also widely used in:

  • Arc calibration templates
  • Hoists
  • Belt cutters
  • Vulcanizing machines
  • Knitting machines
  • Laboratory mixing equipment
  • Fertilizer applicators
  • Open reactors
  • Butt welding machines
  • Plastic machinery components
  • Shielded pumps
  • Alignment boxes
  • Heat shrink packaging machines
  • Smelting equipment
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!

S71911 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7911 2RZ 2