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Home > Products > Precision Ball Bearings > 71904 ACD/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade High Static Load Capacity and High Speed Operation

71904 ACD/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade High Static Load Capacity and High Speed Operation

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71904 ACD/P4A

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:

single row angular contact bearing

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super precision ball bearing

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ACD/P4A ball bearing

Part Number:
71904 ACD/P4A Angular Contact Ball Bearing
Structure:
Angular Contact
Seals Type:
Open (2RZ Available)
Ring Type:
One-piece Inner And Outer Rings
Lubrication:
Oil Or Grease
Replaceable With:
SKF, NSK
Coating:
Without
Sealing:
Without
Design:
High-capacity D
Contact Type:
Normal Contact (two-point Contact)
Part Number:
71904 ACD/P4A Angular Contact Ball Bearing
Structure:
Angular Contact
Seals Type:
Open (2RZ Available)
Ring Type:
One-piece Inner And Outer Rings
Lubrication:
Oil Or Grease
Replaceable With:
SKF, NSK
Coating:
Without
Sealing:
Without
Design:
High-capacity D
Contact Type:
Normal Contact (two-point Contact)
71904 ACD/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade High Static Load Capacity and High Speed Operation
71904 ACD/P4A Super Precision Single Row Angular Contact Ball Bearing
Product Overview

Super-precision, high-capacity, single row angular contact ball bearing designed for high-speed applications. The 71904 ACD/P4A bearing features precise dimensions, high static load capacity, P4A precision grade, and delivers superior performance and reliability for applications requiring high rotational accuracy and stability.

Technical Specifications
Part Number 71904 ACD/P4A
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 25° (15°, 40° Available)
Material Chrome Steel
Cage Material Phenolic
Number of Rows 1 Single Row
Seal Type Open
Temperature Range -30°C to 150°C
Lubrication Grease, Oil
Tolerance Class P4A better than P4 (ABEC-7)
Weight 0.036 kg
Dynamic Radial Load 5720 N
Static Radial Load 3050 N
Reference Speed For Grease 40,000 rpm
Limiting Speed For Oil 60,000 rpm
Product Images
71904 ACD/P4A Super Precision Angular Contact Ball Bearing Technical diagram of 71904 ACD/P4A 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 71904 ACD/P4A bearing is distinguished by its high precision and load capacity, making it ideal for a wide range of applications including:

  • Stud welding machines
  • Pneumatic welders
  • Manual welding machines
  • Nonwoven fabric machinery
  • CNC curve rail engraving machines
  • Various types of pumps
  • Plastic machinery
  • Flame arrestors
  • Deep hole drilling machines
  • Manual sandblasting machines
  • Crushers
  • Shearing machines
  • Filter presses
  • Self-priming pumps
Certifications & Services
Certifications 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
Sizes Standard (Custom sizes available upon request)
Manufacturer Factory Manufacturer