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S71903 ACD/HCP4A Super Precision Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls for High Speed 56,000 rpm

Name: S71903 ACD/HCP4A Super Precision Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls for High Speed 56,000 rpm
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: S71903 ACD/HCP4A
Price: Negotiable USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: S71903 ACD/HCP4A

Payment & Shipping Terms

Minimum Order Quantity: 1000

Price: Please contact us,thanks

Packaging Details: plastic bag,box,carton,pallet

Delivery Time: 30 days

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 7903 2RZ, ACD/HCP4A Precision Bearing with Warranty
                              

Part Number:	S71903 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 S7903A5SN24TRV1VP4
Coating:	Without	Sealing:	Without
Design:	High-capacity D	Contact Type:	Normal Contact (two-point Contact)

Part Number:	S71903 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 S7903A5SN24TRV1VP4
Coating:	Without
Sealing:	Without
Design:	High-capacity D
Contact Type:	Normal Contact (two-point Contact)

S71903 ACD/HCP4A Super Precision Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls for High Speed 56,000 rpm

S71903 ACD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7903 2RZ

S71903 ACD/HCP4A 17×30×7 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 S71903 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.

Technical Specifications

Part Number	S71903 ACD/HCP4A
Bearing Type	Angular Contact
Measurement Unit	Metric
Inner Bore Diameter (d)	17 mm
Inner Bore Diameter Tolerance	-0.004mm to 0
Outer Bore Diameter (D)	30 mm
Outer Bore Diameter Tolerance	-0.005mm to 0
Width (B)	7 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 side
Temperature Range	-30°C to 150°C
Lubrication	Grease
Tolerance Class	P4A better than P4 (ABEC-7)
Weight	0.015 kg
Dynamic Radial Load	3970 N
Static Radial Load	2000 N
Reference Speed For Grease	56,000 rpm
Limiting Speed For Oil	90,000 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 S71903 ACD/HCP4A bearing, distinguished by its superior performance and precision, is widely used in various industrial applications including:

Metal cutting machine tools (machining centers, high-speed milling and grinding machines)
Robotics (delicate operations and semiconductor fault detection)
Printing machinery
Measurement devices
Marine gyro stabilizers
High-performance automotive components (race car wheel hubs)

Its ability to provide high rotational accuracy, stability, and durability under demanding conditions makes it essential for enhancing efficiency, precision, and safety across these diverse sectors.

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 sizes available, custom sizes upon request
Factory Manufacturer: Yes

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