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S71904 ACD/HCP4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls for High Speed 48,000 rpm

Name: S71904 ACD/HCP4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls for High Speed 48,000 rpm
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: S71904 ACD/HCP4A
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: S71904 ACD/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

Product Details

Product Description

Highlight: 
                                                                                                                                                                                                                                                                                                                                                                                Super Precision Angular Contact Ball Bearing, Single Row Ball Bearing 7904 2RZ, ACD/HCP4A Precision Ball Bearing
                              

Part Number:	S71904 ACD/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 ACD/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 ACD/HCP4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls for High Speed 48,000 rpm

S71904 ACD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7904 2RZ

S71904 ACD/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. The S71904 ACD/HCP4A bearing features precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.

Product Specifications

Part Number	S71904 ACD/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	25° (15°, 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	5720 N
Static Radial Load	3050 N
Reference Speed For Grease	48,000 rpm
Limiting Speed For Oil	75,000 rpm

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 ACD/HCP4A bearing, known for its high precision and high load capacity, is widely used in various industrial applications including:

Box drying equipment
Drilling machines
Impact testers
Extrusion equipment
Manual pumps
Condensers
Pressing machines
Barcode devices
Rubber molding machines
Cooling towers
Cold heading machines
Flash dryers

Its ability to provide stable, accurate support under demanding conditions makes it essential for enhancing the performance, efficiency, and reliability of a wide range of machinery and processes.

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

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