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Home > Products > Precision Ball Bearings > S71904 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 20x37x9 mm with P4A Precision Grade and Hybrid Ceramic Balls

S71904 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 20x37x9 mm with P4A Precision Grade and Hybrid Ceramic Balls

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: S71904 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: 500000pcs per month

Get Best Price
Highlight:

Super Precision Angular Contact Ball Bearing

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Single Row Ball Bearing 7904

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HCP4A Precision Bearing 2RZ

Part Number:
S71904 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
Coating:
Without
Sealing:
Without
Design:
High-capacity D
Contact Type:
Normal Contact (two-point Contact)
Part Number:
S71904 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
Coating:
Without
Sealing:
Without
Design:
High-capacity D
Contact Type:
Normal Contact (two-point Contact)
S71904 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 20x37x9 mm with P4A Precision Grade and Hybrid Ceramic Balls
S71904 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7904 2RZ
Product Overview

S71904 CD/HCP4A 20×37×9 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. 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.

Technical Specifications
Part Number S71904 CD/HCP4A
Bearing Type Angular Contact
Measurement Unit Metric
Inner Bore Diameter (d) 20 mm
Inner Bore Diameter Tolerance -0.005mm to 0
Outer Bore Diameter (D) 37 mm
Outer Bore Diameter Tolerance -0.006mm to 0
Width (B) 9 mm
Width Tolerance -0.2mm to 0
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 0.033 kg
Dynamic Radial Load 6050 N
Static Radial Load 3200 N
Reference Speed For Grease (r/min) 53,000 rpm
Limiting Speed For Oil (r/min) 80,000 rpm
S71904 CD/HCP4A Super Precision Angular Contact Ball Bearing Technical diagram of S71904 CD/HCP4A bearing specifications
Performance Features
  • 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 S71904 CD/HCP4A bearing is distinguished by its high precision and high-speed performance, making it ideal for demanding applications in various industries:

  • Electric spindles for high-speed rotation
  • High-speed machining centers (both horizontal and vertical) for stable and precise tool head operation
  • High-speed milling machines for complex part machining
  • High-speed internal grinding machines to handle the loads of rotating wheels and workpieces
  • Woodworking machinery for ensuring high-speed operation and machining accuracy
Certification & Services

Certificates: RoHS & REACH, IATF16949:2016

Features: High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity

Services: OEM&ODM Customized Services, Online Support, Professional Service

Samples: Please Contact Us

Size Options: Standard sizes available, custom sizes upon request

Factory Manufacturer: Yes