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Home > Products > Precision Ball Bearings > 71908 CE/HCP4A Super Precision Angular Contact Ball Bearing with 40 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls

71908 CE/HCP4A Super Precision Angular Contact Ball Bearing with 40 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71908 CE/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

Get Best Price
Highlight:

71908 CE/HCP4A angular contact ball bearing

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super precision ball bearing 7908

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single row angular contact bearing

Part Number:
71908 CE/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
Coating:
Without
Sealing:
Without
Design:
High-speed E
Contact Type:
Normal Contact (two-point Contact)
Part Number:
71908 CE/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
Coating:
Without
Sealing:
Without
Design:
High-speed E
Contact Type:
Normal Contact (two-point Contact)
71908 CE/HCP4A Super Precision Angular Contact Ball Bearing with 40 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls
71908 CE/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7908
71908 CE/HCP4A 40×62×12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-speed E design, single row angular contact ball bearing. The 71908 CE/HCP4A bearing features a bore diameter of 40 mm, outside diameter of 62 mm, and width of 12 mm. With precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
Part Number 71908 CE/HCP4A
Bearing Type Angular Contact
Measurement Unit Metric
Dimensions Inner Bore Diameter (d): 40 mm
Inner Bore Diameter Tolerance: -0.006mm to 0
Outer Bore Diameter (D): 62 mm
Outer Bore Diameter Tolerance: -0.007mm to 0
Width (B): 12 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: Grease or Oil
Tolerance Class: P4A better than P4 (ABEC-7)
Weight: 0.1 kg
Matched Arrangement: No
Universal Matching Bearing: No
Preload: Not applicable
Load and Speed Dynamic Radial Load: 9750 N
Static Radial Load: 6000 N
Reference Speed For Grease: 38,000 rpm
Limiting Speed For Oil: 58,000 rpm
71908 CE/HCP4A Super Precision Angular Contact Ball Bearing Close-up view of 71908 CE/HCP4A bearing components
Performance Features
  • Engineered for high-precision and high-performance applications
  • Very tight tolerances suitable for precise machinery
  • 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
Applications
The 71908 CE/HCP4A precision angular contact ball bearing, featuring high precision, high-speed capability, and hybrid ceramic balls, is designed for high-demand applications requiring accuracy, speed, and rigidity. It is prominently used in:
  • Machine tools and processing equipment for stable high-speed operations
  • Industrial machinery including plastic and rubber extrusion and textile equipment for durability under continuous operation
  • Laboratory devices for low vibration and high precision
  • Heavy-duty engineering and construction machinery
  • Specialized equipment in packaging, food processing, and precision instruments
Certifications & Services
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